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Snow Course Measurements for May 2005
May measurements received as of Sunday, May 15, 06:01 PM
Num Name Elev. Date Depth Water Density April 1 Average
Content
Scott River Basin
5 Middle Boulder 1 6,600 26-APR 70.2 35.6 51% 32.4 110%
311 Middle Boulder 3 6,200 Scheduled for measurement by Scott River Ranger District
298 Dynamite Meadow 5,700 26-APR 35.7 16.4 46% 18.6 88%
285 Swampy John 5,500 27-APR 38.2 15.8 41% 34.0 46%
Basin Average Pct. of April 1: 82%
May 1: 116%
Trinity River Basin
9 Deadfall Lakes 7,200 26-APR 72.9 36.4 50% 34.2 106%
10 Red Rock Mountain 6,700 02-MAY 84.8 43.3 51% 44.1 98%
11 Bear Basin 6,500 02-MAY 81.8 41.7 51% 39.1 107%
12 Shimmy Lake 6,400 02-MAY 105.3 55.3 53% 50.3 110%
16 Highland Lakes 6,030 02-MAY 57.0 29.4 52% 35.2 84%
437 Paradise Peak 5,800 Scheduled for measurement by Hayfork Ranger District
17 Big Flat (Course) 5,100 02-MAY 0.0 0.0 13.1 0%
Basin Average Pct. of April 1: 84%
May 1: 120%
Sacramento River Basin
18 Mount Shasta 7,900 26-APR 127.4 56.1 44% 53.6 105%
19 Sand Flat (Course) 6,800 26-APR 102.9 48.0 47% 43.6 110%
22 Slate Creek 5,700 02-MAY 59.2 32.3 55% 30.1 107%
Basin Average Pct. of April 1: 107%
May 1: 149%
Mc Cloud River Basin
23 Brewer Creek 6,250 29-APR 72.7 37.1 51% 36.2 102%
25 Stouts Meadow 5,400 26-APR 89.2 45.8 51% 37.8 121%
Basin Average Pct. of April 1: 112%
May 1: 155%
Pit River Basin
33 Thousand Lakes 6,500 29-APR 66.0 29.0 44% 34.6 84%
35 Adin Mountain 6,200 29-APR 10.1 3.7 37% 12.5 30%
343 New Manzanita Lake 5,900 02-MAY 0.0 0.0 8.0 0%
Basin Average Pct. of April 1: 38%
May 1: 53%
Cottonwood Cr Basin
436 Bully Choop 6,100 Scheduled for measurement by Hayfork Ranger District
Stony Cr Basin
62 Anthony Peak 6,200 29-APR 79.7 39.7 50% 30.1 132%
Basin Average Pct. of April 1: 132%
May 1: 183%
Feather River Basin
47 Lower Lassen Peak 8,250 26-APR 162.1 75.6 47% 80.2 94%
361 Kettle Rock 7,300 28-APR 35.9 16.5 46% 23.4 71%
48 Mount Dyer 1 7,100 25-APR 79.2 34.9 44% 25.9 135%
359 Grizzly Ridge 6,900 27-APR 61.7 29.7 48% 30.4 98%
279 Eureka Bowl 6,800 Scheduled for measurement by CA Dept of Water Resources, Beckwourth
388 Pilot Peak (DWR) 6,800 25-APR 102.0 53.5 52% 45.5 118%
75 Church Meadows 6,700 02-MAY 55.5 25.4 46% 30.7 83%
280 Rowland Creek 6,700 02-MAY 21.9 9.1 42% 17.4 52%
360 Mount Hough 6,700 25-APR 68.8 31.1 45% 30.7 101%
53 Three Lakes 6,250 26-APR 96.7 51.9 54% 40.8 127%
52 Eureka Lake 6,200 Scheduled for measurement by CA Dept of Water Resources, Beckwourth
51 Harkness Flat 6,200 25-APR 40.2 18.2 45% 28.5 64%
290 Mount Dyer 2 6,050 25-APR 40.3 18.6 46% 16.6 112%
54 Mill Creek Flat 5,900 26-APR 90.4 43.6 48% 39.0 112%
353 Frenchman Cove 5,800 02-MAY 0.0 0.0 2.1 0% *
354 Antelope Ridge 5,650 28-APR 0.0 0.0 3.0 0% *
355 Abbey 5,650 27-APR 8.2 3.5 43% 9.0 39%
49 Letterbox 5,600 26-APR 105.1 54.0 51% 49.0 110%
55 Mount Stover 5,600 25-APR 12.7 5.9 46% 14.7 40%
56 Browns Camp 5,400 26-APR 28.4 14.9 52% 23.3 64%
58 Feather River Meadow 5,400 25-APR 35.0 16.0 46% 23.1 69%
59 Warner Creek 5,100 25-APR 0.8 0.4 48% 14.7 3%
434 Humbug Summit 2 4,850 25-APR 14.7 7.0 48% 14.3 49%
Basin Average Pct. of April 1: 81%
May 1: 113%
Yuba River Basin
64 Webber Peak 7,800 25-APR 105.2 46.9 45% 41.9 112%
65 Castle Creek 5 7,400 28-APR 110.6 51.7 47% 52.1 99%
66 Meadow Lake 7,200 26-APR 128.9 63.6 49% 55.8 114%
67 Red Mountain 7,200 27-APR 117.2 60.2 51% 51.9 116%
68 English Mountain 7,100 25-APR 108.0 53.7 50% 45.4 118%
69 Donner Summit 6,900 02-MAY 70.5 35.4 50% 38.6 92%
76 Furnace Flat 6,700 26-APR 110.0 56.1 51% 48.4 116%
74 Yuba Pass 6,700 29-APR 60.9 30.9 51% 29.6 104%
78 Findley Peak 6,500 25-APR 75.2 37.8 50% 29.8 127%
77 Lake Fordyce 6,500 26-APR 82.5 44.0 53% 40.9 108%
389 Robinson Cow Camp 6,480 25-APR 90.0 47.6 53% 42.5 112%
390 Sunnyside Meadow 6,300 25-APR 126.8 66.9 53% 55.4 121%
80 Cisco 5,900 02-MAY 48.0 25.2 52% 27.6 91%
372 Chapman Creek 5,850 29-APR 45.7 23.3 51% 23.7 98%
83 Bowman Lake 5,650 25-APR 48.9 25.1 51% 22.3 113%
391 Lexington 5,600 02-MAY 59.3 25.3 43% 30.7 82%
277 Gibsonville 5,400 02-MAY 58.5 26.9 46% 28.7 94%
85 Lake Spaulding 5,200 27-APR 46.2 24.8 54% 21.3 116%
Basin Average Pct. of April 1: 107%
May 1: 149%
American River Basin
106 Upper Carson Pass 8,500 29-APR 87.3 38.8 44% 36.2 107%
331 Lower Carson Pass 8,400 29-APR 98.2 45.4 46% 39.2 116%
107 Caples Lake (DWR) 8,000 29-APR 83.8 34.5 41% 30.8 112%
365 Alpha 7,600 27-APR 85.8 43.6 51% 33.8 129%
338 Lost Corner Mountain 7,500 26-APR 101.8 48.1 47% 36.2 133%
108 Echo Summit 7,450 28-APR 77.4 33.8 44% 33.8 100%
110 Lake Audrain 7,300 28-APR 90.0 41.3 46% 35.3 117%
109 Silver Lake 7,100 28-APR 44.6 19.9 45% 21.0 95%
316 Wrights Lake 6,900 26-APR 85.2 40.2 47% 32.8 123%
113 PHillips 6,800 27-APR 61.1 31.4 51% 27.6 114%
320 Lyons Creek 6,700 27-APR 89.7 43.0 48% 31.8 135%
115 Huysink 6,600 29-APR 103.0 52.1 51% 45.0 116%
289 Tamarack Flat 6,550 Scheduled for measurement by CA Dept of Water Resources/Snow Surveys
114 Wabena Meadows 6,300 26-APR 103.0 53.0 51% 42.8 124%
369 Miranda Cabin 6,200 26-APR 92.8 47.9 52% 40.0 120%
120 Onion Creek 6,100 29-APR 39.9 20.6 52% 19.6 105%
371 Diamond Crossing 6,050 26-APR 41.2 20.7 50% 22.0 94%
122 Talbot Camp 5,750 26-APR 39.6 19.8 50% 20.9 95%
322 Robbs Valley 5,600 29-APR 25.6 12.4 48% 15.6 79%
127 Ice House 5,300 29-APR 5.1 2.5 49% 5.8 43%
Basin Average Pct. of April 1: 108%
May 1: 150%
Mokelumne River Basin
323 Highland Meadow 8,700 26-APR 130.2 64.0 49% 48.7 131%
364 Tragedy Creek 8,150 28-APR 113.1 54.1 48% 45.0 120%
129 Blue Lakes 8,000 25-APR 98.6 43.8 44% 36.2 121%
131 Wheeler Lake 7,800 25-APR 140.3 71.2 51% 53.3 134%
132 Pacific Valley 7,500 26-APR 99.4 45.1 45% 38.9 116%
133 Corral Flat 7,200 29-APR 114.3 57.3 50% 40.5 141%
363 Podesta 7,200 29-APR 111.9 55.1 49% 44.8 123%
134 Bear Valley Ridge 1 6,700 25-APR 75.4 38.7 51% 24.6 157%
435 Lumberyard 2 6,500 29-APR 43.7 22.0 50% 13.8 159%
136 Hams Station 5,500 29-APR 3.5 2.0 57% 5.3 38% *
137 Antelope Springs 4,350 28-APR 0.0 0.0 2.9 0% *
Basin Average Pct. of April 1: 134%
May 1: 163%
Stanislaus River Basin
345 Deadman Creek 9,250 26-APR 105.8 47.8 45% 35.1 136%
344 Clark Fork Meadow 8,900 26-APR 114.6 52.9 46% 39.8 133%
427 Gianelli Meadow 8,400 29-APR 156.9 74.4 47% 52.9 141%
138 Lower Relief Valley 8,100 26-APR 117.0 57.8 49% 39.6 146%
139 Soda Creek Flat 7,800 26-APR 65.3 32.5 50% 22.0 148%
384 Stanislaus Meadow 7,750 26-APR 113.0 56.2 50% 51.0 110%
140 Eagle Meadow 7,500 26-APR 70.4 33.1 47% 24.2 137%
142 Herring Creek 7,300 26-APR 90.5 44.9 50% 28.0 160%
143 Relief Dam 7,250 26-APR 65.5 32.6 50% 19.9 164%
416 Bloods Creek 7,200 26-APR 93.5 43.7 47% 34.6 126%
373 Hells Kitchen 6,550 26-APR 54.1 27.9 52% 21.8 128%
386 Black Springs 6,500 26-APR 68.9 35.5 52% 22.0 161%
145 Niagara Flat 6,500 26-APR 53.7 27.8 52% 19.6 142%
Basin Average Pct. of April 1: 141%
May 1: 172%
Tuolumne River Basin
157 Dana Meadows 9,800 29-APR 90.9 42.9 47% 31.1 138%
159 Bond Pass 9,300 27-APR 133.2 62.1 47% 44.9 138%
368 New Grace Meadow 8,900 26-APR 136.4 68.6 50% 48.0 143%
161 Tuolumne Meadows 8,600 27-APR 67.2 31.7 47% 22.7 140%
162 Horse Meadow 8,400 27-APR 132.2 64.9 49% 46.7 139%
163 Wilma Lake 8,000 26-APR 128.3 62.1 48% 43.2 144%
165 Sachse Springs 7,900 29-APR 115.5 55.6 48% 38.1 146%
164 Spotted Fawn 7,800 29-APR 140.3 65.7 47% 45.6 144%
166 Huckleberry Lake 7,800 28-APR 119.5 54.8 46% 41.9 131%
167 Paradise Meadow 7,650 27-APR 122.0 66.1 54% 39.9 166%
348 Kerrick Corral 7,000 30-APR 80.9 39.6 49% 23.5 169%
168 Upper Kibbie Ridge 6,700 30-APR 57.9 29.6 51% 18.6 159%
173 Lower Kibbie 6,700 30-APR 75.5 39.3 52% 26.0 151%
169 Vernon Lake 6,700 27-APR 65.0 32.4 50% 22.4 145%
171 Beehive Meadow 6,500 28-APR 78.6 37.0 47% 23.5 157%
172 Bell Meadow 6,500 30-APR 39.5 18.5 47% 15.5 119%
Basin Average Pct. of April 1: 146%
May 1: 177%
Merced River Basin
176 Snow Flat 8,700 26-APR 125.4 64.3 51% 44.5 144%
177 Ostrander Lake 8,200 26-APR 115.7 56.9 49% 32.6 175%
178 Tenaya Lake 8,150 26-APR 97.5 43.1 44% 33.6 128%
179 Gin Flat (Course) 7,000 01-MAY 98.6 56.8 58% 32.0 178%
180 Peregoy Meadows 7,000 30-APR 98.7 48.8 49% 29.3 167%
Basin Average Pct. of April 1: 158%
May 1: 193%
San Joaquin River Basin
183 Piute Pass 11,300 27-APR 113.8 53.5 47% 37.9 141%
185 Heart Lake 10,100 26-APR 86.2 37.1 43% 27.9 133%
187 Rose Marie 10,000 26-APR 85.2 38.0 45% 29.7 128%
191 Dutch Lake 9,100 26-APR 88.3 39.6 45% 28.1 141%
190 Kaiser Pass 9,100 26-APR 123.8 58.8 47% 39.0 151%
193 Cora Lakes 8,400 29-APR 126.3 65.5 52% 36.3 180%
194 Nellie Lake 8,000 26-APR 123.4 60.2 49% 35.8 168%
196 Chilkoot Lake 7,450 26-APR 127.9 75.2 59% 36.8 204%
197 Chilkoot Meadow 7,150 26-APR 131.6 70.6 54% 36.6 193%
200 Clover Meadow 7,000 29-APR 65.8 35.9 55% 22.8 157%
201 Jackass Meadow 6,950 29-APR 65.8 39.4 60% 24.0 164%
202 Chiquito Creek 6,800 29-APR 70.0 38.2 55% 21.7 176%
204 Poison Meadow 6,800 26-APR 83.3 47.2 57% 24.8 190%
Basin Average Pct. of April 1: 164%
May 1: 200%
Kings River Basin
223 Blackcap Basin 10,300 30-APR 109.3 49.5 45% 34.1 145%
396 Rattlesnake Creek Ba 9,900 30-APR 119.8 52.0 43% 39.8 131%
225 Beard Meadow 9,800 30-APR 106.5 49.0 46% 33.3 147%
224 Upper Burnt Corral 9,700 29-APR 129.9 55.0 42% 37.8 146%
229 Round Corral 9,000 29-APR 115.7 51.6 45% 35.8 144%
227 Woodchuck Meadow 8,800 29-APR 116.0 48.4 42% 31.5 154%
232 Long Meadow (Kings R) 8,500 26-APR 96.6 43.9 45% 29.3 150%
426 Courtright 8,350 26-APR 107.8 47.4 44% 30.7 154%
234 Post Corral Meadow 8,200 26-APR 77.8 36.0 46% 26.3 137%
308 Dodsons Meadow 8,050 26-APR 95.9 45.6 48% 29.6 154%
239 Fred Meadow 6,950 30-APR 45.2 19.9 44% 21.3 93%
240 Grant Grove 6,600 30-APR 9.4 4.7 50% 13.4 35%
Basin Average Pct. of April 1: 132%
May 1: 170%
Kaweah River Basin
292 Farewell Gap 9,500 Scheduled for measurement by Sequoia and Kings Canyon National Parks
243 Panther Meadow 8,600 29-APR 123.0 58.0 47% 36.7 158%
244 Hockett Meadows 8,500 26-APR 89.6 46.5 52% 27.5 169%
245 Mineral King 8,000 Scheduled for measurement by Sequoia and Kings Canyon National Parks
246 Giant Forest 6,400 30-APR 23.0 9.0 39% 14.7 61%
Basin Average Pct. of April 1: 129%
May 1: 166%
Tule River Basin
247 Quaking Aspen 7,000 28-APR 25.5 12.1 47% 12.3 98%
248 Old Enterprise Mill 6,600 29-APR 28.7 12.7 44% 14.3 89%
Basin Average Pct. of April 1: 94%
May 1: 120%
Kern River Basin
250 Bighorn Plateau 11,350 02-MAY 69.4 30.7 44% 23.7 130%
251 Cottonwood Pass 11,050 27-APR 62.7 27.3 44% 14.8 184%
252 Siberian Pass 10,900 30-APR 71.1 31.4 44% 20.0 157%
253 Crabtree Meadow 10,700 01-MAY 58.2 28.1 48% 19.6 143%
254 Guyot Flat 10,650 01-MAY 69.7 32.3 46% 20.8 155%
255 Tyndall Creek 10,650 02-MAY 58.1 26.5 46% 18.8 141%
275 Sandy Meadows 10,650 02-MAY 53.5 24.3 45% 19.2 127%
257 Big Whitney Meadow 9,750 27-APR 56.0 27.8 50% 17.2 162%
256 Rock Creek 9,600 30-APR 46.0 23.7 52% 17.8 133%
258 Round Meadow 9,000 29-APR 86.9 40.2 46% 24.1 167%
259 Ramshaw Meadows 8,700 28-APR 32.6 16.3 50% 11.5 142%
260 Little Whitney Meadow 8,500 29-APR 30.2 15.7 52% 12.9 122%
264 Quinn Ranger Station 8,350 26-APR 52.0 25.6 49% 18.9 135%
249 Dead Horse Meadow 7,300 03-MAY 27.2 14.3 53% 10.7 134%
Basin Average Pct. of April 1: 145%
May 1: 186%
Susan River Basin
45 Silver Lake Meadows 6,450 29-APR 38.4 18.6 48% 29.4 63%
46 Norvell Flat 5,700 29-APR 7.3 3.0 41% 15.1 20%
Basin Average Pct. of April 1: 42%
May 1: 49%
Truckee River Basin
89 Webber Lake 7,000 26-APR 81.9 37.9 46% 31.7 120%
Basin Average Pct. of April 1: 120%
May 1: 141%
Walker River Basin
150 Virginia Lakes 9,400 01-MAY 51.7 24.6 48% 18.0 137%
377 Virginia Lakes Ridge 9,300 01-MAY 66.6 30.0 45% 19.5 154%
152 Sonora Pass 8,750 26-APR 77.0 35.3 46% 24.9 142%
Basin Average Pct. of April 1: 144%
May 1: 170%
Owens River Basin
212 East Piute Pass 10,800 27-APR 59.9 22.4 37% 15.2 147%
221 Cottonwood Lakes 1 10,150 Scheduled for measurement by City of Los Angeles; Dept of Water and Power
205 Mammoth Pass (Ladwp) 9,300 Scheduled for measurement by City of Los Angeles; Dept of Water and Power
214 North Lake 9,300 28-APR 32.6 14.7 45% 10.2 144%
Basin Average Pct. of April 1: 146%
May 1: 169%
Summary of Snow Surveys
| Region | No. Basins | No. Courses | Avg WC | % Average April 1 | % Average May 1 |
|---|---|---|---|---|---|
| North Coast | 2 | 9 | 30.4" | 83% | 119% |
| Sacramento | 6 | 66 | 32.7" | 94% | 130% |
| San Joaquin Valley | 5 | 56 | 48.5" | 148% | 180% |
| Tulare Lake | 4 | 31 | 32.4" | 135% | 174% |
| North Lahontan | 3 | 6 | 24.9" | 106% | 125% |
| South Lahontan | 1 | 2 | 18.5" | 146% | 169% |
| Statewide Average (weighted) | 118% | 152% | |||
* This course not included in river, basin or Statewide computations.
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