California Department of Water Resources
Division of Flood Management

Snow Course Measurements for February 2001

February measurements received as of Thursday, February 15, 08:01 AM

Snow depth and water content are in inches. April 1 averages are based on measurements made during years 1946-1995. Courses are grouped by river basins, listed in north-south and high-low elevation order. Contact Dave Hart for more information.


Num         Name                 Elev.  Date     Depth  Water   Density  April 1 Average
                                                       Content
                              Shasta River Basin
  1 Parks Creek               6,700	30-JAN	 43.8	 11.8	27%	 36.5	 32%	
  3 Sweetwater                5,850	30-JAN	 22.4	  5.6	25%	 13.6	 41%	
                                                Basin Average Pct. of April 1:  37%
                                                                     February 1:  54%
                              Scott River Basin
  5 Middle Boulder 1          6,600	31-JAN	 38.9	 10.3	26%	 31.0	 33%	
311 Middle Boulder 3          6,200	31-JAN	 39.3	 10.8	27%	 27.2	 40%	
298 Dynamite Meadow           5,700	31-JAN	 35.4	  9.0	25%	 18.0	 50%	
285 Swampy John               5,500	02-FEB	 30.6	  8.6	28%	 36.4	 24%	
                                                Basin Average Pct. of April 1:  37%
                                                                     February 1:  54%
                              Trinity River Basin
  9 Deadfall Lakes            7,200	30-JAN	 38.2	 11.0	29%	 32.9	 33%	
 10 Red Rock Mountain         6,700	30-JAN	 54.5	 16.1	30%	 42.8	 38%	
 11 Bear Basin                6,500	30-JAN	 50.8	 14.2	28%	 37.8	 38%	
 12 Shimmy Lake               6,400	30-JAN	 56.6	 18.6	33%	 48.8	 38%	
 16 Highland Lakes            6,030	30-JAN	 56.7	 16.5	29%	 33.5	 49%	
 17 Big Flat (Course)         5,100	30-JAN	 27.8	  6.5	23%	 14.5	 45%	
                                                Basin Average Pct. of April 1:  40%
                                                                     February 1:  59%
                              Sacramento River Basin
 18 Mount Shasta              7,900	30-JAN	 55.2	 17.4	32%	 52.1	 33%	
 19 Sand Flat                 6,800	01-FEB	 46.3	 15.3	33%	 41.8	 37%	
 21 Gray Rock Lakes           6,200	30-JAN	 70.4	 21.4	30%	 46.1	 46%	
 22 Slate Creek               5,700	30-JAN	 58.6	 15.0	26%	 29.3	 51%	
                                                Basin Average Pct. of April 1:  42%
                                                                     February 1:  64%
                              Mc Cloud River Basin
 23 Brewer Creek              6,250	02-FEB	 37.5	 10.6	28%	 35.2	 30%	
 25 Stouts Meadow             5,400	30-JAN	 63.5	 18.8	30%	 37.7	 50%	
                                                Basin Average Pct. of April 1:  40%
                                                                     February 1:  62%
                              Pit River Basin
 30 Cedar Pass                7,100	29-JAN	 24.7	  6.6	27%	 17.3	 38%	
 28 Blue Lake Ranch           6,800	26-JAN	 20.0	  4.7	23%	 10.6	 44%	
 33 Thousand Lakes            6,500	30-JAN	 41.0	 12.8	31%	 34.0	 38%	
 35 Adin Mountain             6,200	29-JAN	 29.8	  6.5	22%	 12.8	 51%	
343 New Manzanita Lake        5,900	01-FEB	 20.9	  5.0	24%	  7.3	 68%	
                                                Basin Average Pct. of April 1:  48%
                                                                     February 1:  74%
                              Stony Cr Basin
 62 Anthony Peak              6,200	28-JAN	 51.5	 15.3	30%	 28.6	 53%	
                                                Basin Average Pct. of April 1:  53%
                                                                     February 1:  82%
                              Feather River Basin
 47 Lower Lassen Peak         8,250	01-FEB	 74.2	 23.8	32%	 79.8	 30%	
361 Kettle Rock               7,300	31-JAN	 25.4	  6.5	26%	 23.1	 28%	
 48 Mount Dyer 1              7,100	01-FEB	 34.1	  9.3	27%	 25.3	 37%	
359 Grizzly Ridge             6,900	30-JAN	 34.8	  9.0	26%	 29.7	 30%	
388 Pilot Peak (DWR)          6,800	30-JAN	 50.4	 15.1	30%	 45.0	 34%	
279 Eureka Bowl               6,800	29-JAN	 46.6	 12.4	27%	 42.3	 29%	
280 Rowland Creek             6,700	26-JAN	 21.8	  5.4	25%	 17.3	 31%	
360 Mount Hough               6,700	25-JAN	 31.9	  8.1	25%	 29.5	 27%	
 75 Church Meadows            6,700	29-JAN	 37.9	  9.7	26%	 32.4	 30%	
 53 Three Lakes               6,250	30-JAN	 53.4	 13.9	26%	 40.1	 35%	
 51 Harkness Flat             6,200	30-JAN	 35.1	  9.1	26%	 28.5	 32%	
 52 Eureka Lake               6,200	29-JAN	 34.3	  7.9	23%	 31.8	 25%	
290 Mount Dyer 2              6,050	01-FEB	 26.8	  6.6	25%	 16.1	 41%	
 54 Mill Creek Flat           5,900	01-FEB	 48.9	 13.3	27%	 38.6	 34%	
353 Frenchman Cove            5,800	26-JAN	  9.3	  2.0	22%	  2.3	 87%	
355 Abbey                     5,650	30-JAN	 19.5	  3.4	17%	  8.8	 39%	
354 Antelope Ridge            5,650	31-JAN	 10.3	  2.3	22%	  3.2	 72%	
 55 Mount Stover              5,600	30-JAN	 21.1	  5.1	24%	 16.0	 32%	
 49 Letterbox                 5,600	01-FEB	 59.7	 18.2	30%	 48.7	 37%	
 58 Feather River Meadow      5,400	30-JAN	 33.9	  8.3	24%	 22.6	 37%	
 56 Browns Camp               5,400	01-FEB	 30.1	  7.9	26%	 23.1	 34%	
 59 Warner Creek              5,100	30-JAN	 30.4	  7.2	24%	 14.9	 48%	
434 Humbug Summit 2           4,850	30-JAN	 27.6	  6.1	22%			
 61 Chester Flat              4,600	02-FEB	 13.1	  3.4	26%	  6.5	 52%	
                                                Basin Average Pct. of April 1:  38%
                                                                     February 1:  59%
                              Yuba River Basin
 64 Webber Peak               7,800	31-JAN	 40.4	 11.3	28%	 43.2	 26%	
 65 Castle Creek 5            7,400	29-JAN	 58.4	 17.1	29%	 51.6	 33%	
 67 Red Mountain              7,200	01-FEB	 55.2	 16.6	30%	 50.1	 33%	
 66 Meadow Lake               7,200	01-FEB	 60.4	 18.0	30%	 54.9	 33%	
 68 English Mountain          7,100	31-JAN	 63.8	 19.5	31%	 44.1	 44%	
 69 Donner Summit             6,900	05-FEB	 31.4	 11.7	37%	 38.4	 30%	
 76 Furnace Flat              6,700	30-JAN	 60.9	 16.3	27%	 47.1	 35%	
 74 Yuba Pass                 6,700	31-JAN	 34.1	 10.4	30%	 29.4	 35%	
 77 Lake Fordyce              6,500	30-JAN	 53.8	 15.3	28%	 39.9	 38%	
 78 Findley Peak              6,500	02-FEB	 41.6	 12.9	31%	 28.9	 45%	
389 Robinson Cow Camp         6,480	30-JAN	 54.5	 15.5	28%	 43.0	 36%	
390 Sunnyside Meadow          6,300	30-JAN	 72.0	 20.8	29%	 56.0	 37%	
 80 Cisco                     5,900	05-FEB	 34.4	 10.2	30%	 26.2	 39%	
372 Chapman Creek             5,850	31-JAN	 35.8	 10.3	29%	 23.0	 45%	
 83 Bowman Lake               5,650	02-FEB	 32.8	  8.0	24%	 21.8	 37%	
391 Lexington                 5,600	01-FEB	 48.1	 14.5	30%	 28.8	 50%	
277 Gibsonville               5,400		Scheduled for measurement by Oroville-Wyandotte Irrigation District
 85 Lake Spaulding            5,200	05-FEB	 33.0	 10.2	31%	 21.8	 47%	
429 Chalk Bluff               4,850	25-JAN	 21.4	  4.8	22%	  2.0	240%	
                                                Basin Average Pct. of April 1:  49%
                                                                     February 1:  76%
                              American River Basin
106 Upper Carson Pass         8,500	01-FEB	 44.1	 10.9	25%	 35.4	 31%	
331 Lower Carson Pass         8,400	01-FEB	 47.1	 11.8	25%	 38.4	 31%	
107 Caples Lake (DWR)         8,000	01-FEB	 41.9	 10.7	26%	 30.3	 35%	
365 Alpha                     7,600		Scheduled for measurement by CA Dept of Water Resources
338 Lost Corner Mountain      7,500	30-JAN	 45.6	 12.1	27%	 34.8	 35%	
108 Echo Summit               7,450	30-JAN	 35.3	  8.5	24%	 35.4	 24%	
110 Lake Audrain              7,300	30-JAN	 48.8	 12.7	26%	 35.4	 36%	
111 Darrington                7,100	01-FEB	 40.3	 12.0	30%	 29.9	 40%	
109 Silver Lake (DWR)         7,100	31-JAN	 29.5	 10.5	36%	 21.4	 49%	
316 Wrights Lake              6,900	30-JAN	 42.6	 10.6	25%	 31.8	 33%	
113 PHillips                  6,800	01-FEB	 41.0	 11.1	27%	 28.1	 40%	
320 Lyons Creek               6,700	01-FEB	 46.7	 13.2	28%	 31.2	 42%	
115 Huysink                   6,600	30-JAN	 55.9	 16.8	30%	 44.6	 38%	
289 Tamarack Flat             6,550	01-FEB	 40.3	 11.6	29%	 27.1	 43%	
114 Wabena Meadows            6,300	01-FEB	 55.2	 15.3	28%	 41.1	 37%	
369 Miranda Cabin             6,200	01-FEB	 57.3	 16.9	29%	 39.3	 43%	
120 Onion Creek               6,100	03-FEB	 28.4	  8.5	30%	 19.3	 44%	
371 Diamond Crossing          6,050	01-FEB	 35.2	  9.4	27%	 22.8	 41%	
122 Talbot Camp               5,750	01-FEB	 32.6	  8.6	26%	 20.1	 43%	
322 Robbs Valley              5,600	31-JAN	 35.1	  8.8	25%	 17.4	 51%	
127 Ice House                 5,300	31-JAN	 18.2	  4.4	24%	  6.8	 65%	
                                                Basin Average Pct. of April 1:  40%
                                                                     February 1:  62%
                              Mokelumne River Basin
323 Highland Meadow           8,700	30-JAN	 59.6	 15.7	26%	 46.7	 34%	
364 Tragedy Creek             8,150	31-JAN	 48.2	 14.3	30%	 44.4	 32%	
129 Blue Lakes                8,000	30-JAN	 46.1	 11.4	25%	 35.3	 32%	
131 Wheeler Lake              7,800	30-JAN	 65.2	 18.1	28%	 52.3	 35%	
132 Pacific Valley            7,500	30-JAN	 49.3	 13.0	26%	 37.9	 34%	
363 Podesta                   7,200	01-FEB	 53.3	 13.6	26%	 44.2	 31%	
133 Corral Flat               7,200	31-JAN	 49.9	 12.6	25%	 39.5	 32%	
134 Bear Valley Ridge 1       6,700	30-JAN	 41.8	 11.1	27%	 24.2	 46%	
435 Lumberyard 2              6,500	02-FEB	 23.8	  6.8	29%			
136 Hams Station              5,500	01-FEB	 21.0	  5.6	27%	  6.3	 89%	
137 Antelope Springs          4,350	01-FEB	 19.4	  4.7	24%	  3.4	138%	
                                                Basin Average Pct. of April 1:  50%
                                                                     February 1:  81%
                              Stanislaus River Basin
345 Deadman Creek             9,250	01-FEB	 43.4	 11.9	27%	 34.3	 35%	
344 Clark Fork Meadow         8,900	01-FEB	 47.9	 12.0	25%	 38.6	 31%	
427 Gianelli Meadow           8,400	01-FEB	 65.7	 17.7	27%	 50.0	 35%	
138 Lower Relief Valley       8,100	01-FEB	 52.0	 13.8	27%	 38.8	 36%	
139 Soda Creek Flat           7,800	01-FEB	 25.7	  7.1	28%	 21.4	 33%	
384 Stanislaus Meadow         7,750	30-JAN	 56.7	 15.8	28%	 45.0	 35%	
140 Eagle Meadow              7,500	01-FEB	 35.9	  9.6	27%	 23.3	 41%	
142 Herring Creek             7,300	01-FEB	 44.5	 12.4	28%	 27.4	 45%	
143 Relief Dam                7,250	01-FEB	 32.1	  7.9	25%	 19.3	 41%	
416 Bloods Creek              7,200	31-JAN	 47.6	 12.0	25%	 32.0	 37%	
432 Sapps Hollow              6,950		Scheduled for measurement by Calaveras Ranger District
430 Corral Meadow             6,650	01-FEB	 37.5	  9.5	25%	 19.0	 50%	
373 Hells Kitchen             6,550		Scheduled for measurement by Calaveras Ranger District
145 Niagara Flat              6,500	01-FEB	 36.5	 10.4	28%	 19.6	 53%	
386 Black Springs             6,500	31-JAN	 39.9	 10.6	27%	 22.1	 48%	
                                                Basin Average Pct. of April 1:  40%
                                                                     February 1:  65%
                              Tuolumne River Basin
157 Dana Meadows              9,800	01-FEB	 37.0	  9.8	26%	 30.4	 32%	
158 Rafferty Meadows          9,400	27-JAN	 45.5	 10.9	24%	 30.9	 35%	
159 Bond Pass                 9,300	28-JAN	 49.0	 11.3	23%	 45.0	 25%	
368 New Grace Meadow          8,900	31-JAN	 58.6	 15.7	27%	 47.9	 33%	
161 Tuolumne Meadows          8,600	28-JAN	 36.1	  6.1	17%	 22.4	 27%	
162 Horse Meadow              8,400	28-JAN	 62.5	 15.2	24%	 47.0	 32%	
163 Wilmer Lake               8,000	31-JAN	 56.7	 14.6	26%	 42.2	 35%	
165 Sachse Springs            7,900	31-JAN	 55.3	 14.9	27%	 37.5	 40%	
166 Huckleberry Lake          7,800	30-JAN	 49.7	 12.5	25%	 41.1	 30%	
164 Spotted Fawn              7,800	31-JAN	 62.3	 16.0	26%	 45.0	 36%	
167 Paradise Meadow           7,650	31-JAN	 55.8	 14.7	26%	 39.0	 38%	
348 Kerrick Corral            7,000	30-JAN	 51.1	 13.3	26%	 21.4	 62%	
173 Lower Kibbie              6,700	01-FEB	 43.3	 12.2	28%	 26.2	 47%	
169 Vernon Lake               6,700	31-JAN	 36.5	 10.0	27%	 22.8	 44%	
168 Upper Kibbie Ridge        6,700	01-FEB	 32.7	  8.4	26%	 18.7	 45%	
171 Beehive Meadow            6,500	31-JAN	 44.3	 11.9	27%	 24.0	 50%	
172 Bell Meadow               6,500	30-JAN	 35.7	  8.4	24%	 16.7	 50%	
                                                Basin Average Pct. of April 1:  39%
                                                                     February 1:  63%
                              Merced River Basin
176 Snow Flat                 8,700	31-JAN	 60.0	 15.8	26%	 43.4	 36%	
177 Ostrander Lake            8,200	31-JAN	 52.6	 14.2	27%	 33.4	 43%	
178 Tenaya Lake               8,150	30-JAN	 49.0	 13.0	27%	 32.4	 40%	
180 Peregoy Meadows           7,000	30-JAN	 44.2	 11.0	25%	 30.5	 36%	
179 Gin Flat                  7,000	28-JAN	 56.5	 16.2	29%	 31.8	 51%	
                                                Basin Average Pct. of April 1:  41%
                                                                     February 1:  66%
                              San Joaquin River Basin
182 Mono Pass                11,450	31-JAN	 24.1	  5.8	24%	 30.7	 19%	
183 Piute Pass               11,300	31-JAN	 34.3	  8.7	25%	 35.8	 24%	
276 Pioneer Basin            10,400		Scheduled for measurement by Southern California Edison Company, Big Creek
187 Rose Marie               10,000		Scheduled for measurement by Southern California Edison Company, Big Creek
189 Agnew Pass                9,450	30-JAN	 50.8	 11.9	23%	 31.0	 38%	
190 Kaiser Pass               9,100	31-JAN	 49.2	 12.2	25%	 38.5	 32%	
191 Dutch Lake                9,100	30-JAN	 35.1	  7.4	21%	 27.2	 27%	
346 Badger Flat               8,300		Scheduled for measurement by Southern California Edison Company, Big Creek
194 Nellie Lake               8,000	31-JAN	 56.9	 13.8	24%	 35.0	 39%	
324 Lake Thomas A Edison      7,800	30-JAN	 23.1	  4.2	18%	 14.2	 30%	
196 Chilkoot Lake             7,450	30-JAN	 55.7	 15.1	27%	 36.1	 42%	
347 Tamarack Creek            7,250	31-JAN	 36.6	  9.6	26%	 23.9	 40%	
198 Florence Lake             7,200	31-JAN	 16.6	  3.0	18%	  7.7	 39%	
197 Chilkoot Meadow           7,150	30-JAN	 61.5	 14.4	23%	 35.7	 40%	
199 Huntington Lake           7,000	01-FEB	 36.4	  9.3	26%	 18.6	 50%	
204 Poison Meadow             6,800	30-JAN	 49.4	 13.1	27%	 24.0	 55%	
                                                Basin Average Pct. of April 1:  37%
                                                                     February 1:  59%
                              Kings River Basin
222 Bishop Pass              11,200	01-FEB	 29.7	  7.5	25%	 33.2	 23%	
299 Charlotte Ridge          10,700	03-FEB	 29.6	  7.4	25%	 31.0	 24%	
307 Bullfrog Lake            10,650	03-FEB	 27.6	  6.9	25%	 30.0	 23%	
398 Bench Lake               10,600	31-JAN	 27.5	  6.8	25%	 29.0	 23%	
223 Blackcap Basin           10,300	31-JAN	 43.2	 11.4	26%	 32.8	 35%	
396 Rattlesnake Creek Ba      9,900	02-FEB	 36.9	  9.5	26%	 39.1	 24%	
225 Beard Meadow              9,800	01-FEB	 40.6	 10.3	25%	 31.9	 32%	
224 Upper Burnt Corral        9,700	30-JAN	 49.5	 11.4	23%	 36.1	 32%	
397 Scenic Meadow             9,650	31-JAN	 29.5	  6.9	23%	 25.0	 28%	
229 Round Corral              9,000	31-JAN	 43.2	 11.4	26%	 36.0	 32%	
226 Rowell Meadow             8,850	31-JAN	 42.1	 10.2	24%	 25.6	 40%	
227 Woodchuck Meadow          8,800	31-JAN	 42.2	 10.4	25%	 30.2	 34%	
232 Long Meadow (Kings R)     8,500	30-JAN	 40.6	 10.1	25%	 27.9	 36%	
426 Courtright                8,350	30-JAN	 40.5	 10.2	25%	 32.0	 32%	
233 Statum Meadow             8,300	01-FEB	 46.1	 12.8	28%	 30.3	 42%	
230 Helms Meadow              8,250	01-FEB	 34.9	  9.0	26%	 25.2	 36%	
234 Post Corral Meadow        8,200	30-JAN	 35.5	  7.5	21%	 25.2	 30%	
308 Dodsons Meadow            8,050	30-JAN	 41.0	 10.3	25%	 28.0	 37%	
237 Horse Corral Meadow       7,600	31-JAN	 30.8	  7.0	23%	 15.8	 44%	
236 Big Meadows               7,600	31-JAN	 36.0	  9.3	26%	 26.0	 36%	
239 Fred Meadow               6,950	01-FEB	 34.4	  9.1	26%	 20.6	 44%	
240 Grant Grove               6,600	01-FEB	 36.0	  9.8	27%	 13.5	 73%	
                                                Basin Average Pct. of April 1:  34%
                                                                     February 1:  56%
                              Kaweah River Basin
292 Farewell Gap              9,500	31-JAN	 40.7	  9.4	23%	 34.5	 27%	
243 Panther Meadow            8,600	29-JAN	 64.0	 17.0	27%	 36.3	 47%	
245 Mineral King              8,000	30-JAN	 24.4	  6.3	26%	 20.1	 31%	
246 Giant Forest              6,400	30-JAN	 36.3	  8.4	23%	 15.4	 55%	
                                                Basin Average Pct. of April 1:  40%
                                                                     February 1:  65%
                              Tule River Basin
247 Quaking Aspen             7,000	30-JAN	 27.4	  6.6	24%	 12.8	 52%	
                                                Basin Average Pct. of April 1:  52%
                                                                     February 1:  83%
                              Kern River Basin
250 Bighorn Plateau          11,350	26-JAN	 20.0	  3.6	18%	 21.9	 16%	
251 Cottonwood Pass          11,050	02-FEB	 18.3	  4.4	24%	 13.4	 33%	
252 Siberian Pass            10,900	30-JAN	 22.5	  4.5	20%	 18.3	 25%	
253 Crabtree Meadow          10,700	28-JAN	 21.6	  4.0	19%	 18.8	 21%	
254 Guyot Flat               10,650	25-JAN	 19.0	  3.1	16%	 20.0	 15%	
275 Sandy Meadows            10,650	26-JAN	 25.1	  4.2	17%	 18.3	 23%	
255 Tyndall Creek            10,650	26-JAN	 22.9	  3.9	17%	 18.3	 21%	
257 Big Whitney Meadow        9,750	30-JAN	 21.1	  4.4	21%	 16.6	 27%	
256 Rock Creek                9,600	25-JAN	 19.6	  3.6	18%	 17.2	 21%	
258 Round Meadow              9,000	29-JAN	 29.2	  7.3	25%	 24.9	 29%	
259 Ramshaw Meadows           8,700	01-FEB	 18.1	  3.5	19%	 11.3	 31%	
260 Little Whitney Meadow     8,500	31-JAN	 20.5	  5.0	24%	 13.5	 37%	
262 Casa Vieja Meadows        8,300	02-FEB	 22.7	  4.9	22%	 19.6	 25%	
261 Bonita Meadows            8,300	29-JAN	 23.3	  6.1	26%	 13.8	 44%	
265 Beach Meadows             7,650	02-FEB	 16.7	  4.6	28%	  8.9	 52%	
249 Dead Horse Meadow         7,300	02-FEB	 25.1	  6.6	26%	 11.3	 58%	
                                                Basin Average Pct. of April 1:  30%
                                                                     February 1:  48%
                              Surprise Valley Basin
378 Mount Bidwell             7,200	30-JAN	 32.0	 10.2	32%	 26.3	 39%	
313 Barber Creek              6,500	29-JAN	 26.0	  5.4	21%	 11.1	 49%	
349 Hays Canyon               6,400	25-JAN	 10.0	  1.9	19%	  2.4	 79%	
350 49 Mountain               6,000	31-JAN	 11.0	  2.0	18%	  3.0	 67%	
                                                Basin Average Pct. of April 1:  58%
                                                                     February 1:  90%
                              Truckee River Basin
318 Squaw Valley 2            7,700	31-JAN	 49.0	 14.6	30%	 50.7	 29%	
 89 Webber Lake               7,000	31-JAN	 41.8	 11.6	28%	 32.6	 36%	
                                                Basin Average Pct. of April 1:  32%
                                                                     February 1:  50%
                              Lake Tahoe Basin
 99 Rubicon Peak 2            7,500	30-JAN	 41.3	 10.5	25%	 31.8	 33%	
100 Freel Bench               7,300	29-JAN	 19.0	  4.2	22%	 11.5	 37%	
101 Ward Creek 2              7,000	30-JAN	 43.7	 13.1	30%	 43.0	 30%	
333 Glenbrook 2 (Nevada)      6,900	31-JAN	 20.0	  5.0	25%	 12.7	 39%	
103 Richardsons 2             6,500	30-JAN	 21.0	  4.5	21%	 16.4	 27%	
104 Upper Truckee             6,400	29-JAN	 14.0	  2.6	19%	  8.4	 31%	
                                                Basin Average Pct. of April 1:  33%
                                                                     February 1:  51%
                              Walker River Basin
421 Leavitt Lake              9,600	31-JAN	 53.0	 13.2	25%	 51.0	 26%	
150 Virginia Lakes            9,400	03-FEB	 19.1	  4.9	26%	 17.0	 29%	
377 Virginia Lakes Ridge      9,300	05-FEB	 21.0	  4.6	22%	 18.9	 24%	
422 Sawmill Ridge             8,750	31-JAN	 26.0	  5.0	19%	 17.8	 28%	
152 Sonora Pass               8,750	01-FEB	 32.3	  7.7	24%	 24.8	 31%	
154 Willow Flat               8,250	31-JAN	 18.0	  3.7	21%	 10.3	 36%	
                                                Basin Average Pct. of April 1:  29%
                                                                     February 1:  45%
                              Mono Lk Basin
281 Gem Pass                 10,750	30-JAN	 39.3	 10.0	25%	 32.0	 31%	
181 Tioga Pass                9,800	01-FEB	 30.4	  8.1	27%	 26.2	 31%	
287 Saddlebag Lake            9,750	01-FEB	 39.5	  9.6	24%	 31.2	 31%	
286 Ellery Lake               9,600	01-FEB	 37.1	  9.0	24%	 28.0	 32%	
282 Gem Lake                  9,150	30-JAN	 52.1	 10.7	21%	 29.9	 36%	
                                                Basin Average Pct. of April 1:  32%
                                                                     February 1:  52%
                              Owens River Basin
284 Bishop Lake              11,300	31-JAN	 23.6	  5.8	25%	 21.5	 27%	
220 Cottonwood Lakes 2       11,100	25-JAN	 18.6	  4.1	22%	 14.4	 28%	
212 East Piute Pass          10,800	31-JAN	 21.4	  4.9	23%	 13.6	 36%	
408 Flower Lake 2            10,660	28-JAN	 29.2	  5.9	20%	 30.8	 19%	
213 Sawmill                  10,200	31-JAN	 21.6	  5.9	27%	 19.0	 31%	
221 Cottonwood Lakes 1       10,150	25-JAN	 15.1	  2.6	17%	 12.5	 21%	
209 Rock Creek 3             10,000	01-FEB	 14.1	  3.5	25%	 14.9	 23%	
217 Big Pine Creek 1         10,000	29-JAN	 20.1	  3.8	19%	 22.7	 17%	
218 Big Pine Creek 3          9,800	30-JAN	 19.8	  3.9	20%	 17.5	 22%	
219 Big Pine Creek 2          9,700	30-JAN	 13.9	  2.2	16%	 15.2	 14%	
214 North Lake                9,300	31-JAN	 24.1	  4.1	17%	  9.3	 44%	
205 Mammoth Pass (DWR)        9,300	31-JAN	 50.4	 13.4	27%	 42.1	 32%	
423 Trailhead                 9,100	26-JAN	 18.4	  3.2	17%	 15.0	 21%	
210 Rock Creek 2              9,050	01-FEB	 11.0	  1.9	17%	 10.4	 18%	
206 Minarets 2                9,000	31-JAN	 35.2	  8.8	25%	 29.2	 30%	
211 Rock Creek 1              8,700	01-FEB	  9.8	  1.3	13%	  7.4	 18%	
208 Mammoth                   8,300	31-JAN	 25.0	  6.4	26%	 20.2	 32%	
                                                Basin Average Pct. of April 1:  26%
                                                                     February 1:  41%

Summary of Snow Surveys

RegionNo. BasinsNo. CoursesAvg WC% Average
April 1
% Average
February 1
North Coast 3 12 11.6" 38% 56%
Sacramento 6 72 11.2" 42% 65%
San Joaquin Valley 5 58 11.6" 41% 66%
Tulare Lake 4 43 7.6" 34% 54%
North Lahontan 3 14 7.5" 31% 48%
South Lahontan 2 22 5.9" 27% 44%
Statewide Average (weighted) 39% 61%

THIS SUMMARY MAY NOT MATCH THAT PUBLISHED IN BULLETIN 120 DUE TO CHANGES IN AVERAGES AND COURSE SELECTION. USE ONLY FOR COMPARISONS BETWEEN YEARS

Data are preliminary and subject to revision. This document is updated every 30 minutes during the data-collection period.

hart@water.ca.gov


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Revised: February 15, 2001 08:02