B A S I N   S U M M A R Y   OF
                        S N O W    C O U R S E    D A T A

                                     MAY   2001


      SNOW COURSE         ELEVATION    DATE    SNOW   WATER     LAST   AVERAGE
                                              DEPTH  CONTENT    YEAR   1961-90
-------------------------------------------------------------------------------
 
   WYOMING Snow Course and SNOTEL Stations                    
      ALBANY                 9400    4/26/01    31      9.6      7.6     12.8
      ASTER CREEK            7750                                ---      ---
      BALD MOUNTAIN SNOTEL   9380    5/01/01   ---     16.7     22.1     24.1
      BASE CAMP SNOTEL       7030    5/01/01   ---       .0      1.0     10.7
      BATTLE MTN. SNOTEL     7440    5/01/01   ---       .0       .0      4.8
      BEARLODGE DIVIDE       4680    4/30/01     0       .0       .0       .8
      BEARTOOTH LK. SNOTEL   9280    5/01/01   ---     13.5     22.8     26.0
      BEAR TRAP SNOTEL       8200    5/01/01   ---       .0       .0      4.2
      BIG GOOSE              7760    4/26/01    18      4.8      5.5      8.3
      BIG GOOSE SNOTEL       7760    5/01/01   ---      4.4      6.5      ---
      BIG PARK               8620    4/26/01    38     12.8     14.9     20.5
      BIG SANDY SNOTEL       9080    5/01/01   ---      8.8      8.1     13.9
      BLACKWATER SNOTEL      9780    5/01/01   ---     17.9     19.6     25.7
      BLIND BULL SNOTEL      8900    5/01/01    44     15.4     22.5     22.7
      BLIND PARK PILLOW      6870    5/01/01   ---       .0       .0      9.6
      BLUE RIDGE             9620    5/01/01   ---      4.0      ---     12.7
      BONE SPGS. SNOTEL      9350    5/01/01   ---     12.3     16.6     18.4
      BOXELDER               7280    4/27/01    20      6.8      4.9      6.4
      BROOKLYN LK. SNOTEL   10220    5/01/01   ---     21.2     16.3     28.9
      BRYAN FLAT             6420    4/30/01     0       .0       .0      2.3
      BUCK CREEK             7960    4/27/01    27      9.8      8.4     10.0
      BURGESS JCT. SNOTEL    7880    5/01/01   ---      8.2     12.3     13.5
      BURROUGHS CRK SNOTEL   8750    5/01/01   ---      8.1     10.6     12.9
      CANYON SNOTEL          8090    5/01/01   ---      9.1      8.7     10.9
      CARTER MOUNTAIN        7950    4/30/01     0       .0       .2      6.0
      CASPER MTN. SNOTEL     7850    5/01/01   ---      8.8     12.9     17.8
      CASTLE CREEK           8400    4/27/01     0       .0       .7      2.0
      CCC CAMP               7000    4/30/01     1       .3      3.9      7.9
      CHALK CK #1 SNOTEL     9100    5/01/01    44     14.5     18.2     22.8
      CHALK CK #2 SNOTEL     8200    5/01/01    23      4.7      5.0      9.8
      CLOUD PEAK SNOTEL      9850    5/01/01   ---     10.0     17.1     17.7
      COLD SPRINGS SNOTEL    9630    5/01/01   ---       .0       .0      6.8
      COTTONWOOD CR SNOTEL   7700    5/01/01   ---     11.7     14.0     20.0
      DARBY CANYON           8250    5/02/01    38     13.3     16.9     23.9
      DEER PARK SNOTEL       9700    5/01/01   ---     11.3     13.5      ---
      DITCH CREEK            6870    4/26/01    13      2.8      ---      ---
      DIVIDE PEAK SNOTEL     8860    5/01/01   ---     12.0     10.7     19.3
      DOME LAKE SNOTEL       8880    5/01/01   ---      8.0      9.6     15.0
      DU NOIR                8760    4/26/01    14      4.7       .8      6.8
      EAST RIM DIV SNOTEL    7930    5/01/01   ---      6.4      8.3     14.8
      ELBO RANCH             7100                                3.6      9.0
      ELKHART PARK SNOTEL    9400    5/01/01   ---     11.1      8.1     14.0
      EVENING STAR SNOTEL    9200    5/01/01   ---     15.9     22.4     30.8
      FOUR MILE MEADOWS      7860                                ---      ---
      FOXPARK                9060    4/26/01    20      7.2       .0      5.4
      GEYSER CREEK           8500    4/26/01    11      3.9      ---      5.4
      GLADE CREEK            7040    4/30/01    17      7.5     10.5     21.0
      GRANITE CRK SNOTEL     6770    5/01/01   ---      6.9      3.8     12.9
      GRANNIER MEADOWS       8860    5/01/01   ---      6.1     10.8     15.1
      GRASSY LAKE SNOTEL     7270    5/01/01   ---     18.0     20.5     33.9
      GRAVE SPRINGS SNOTEL   8550    5/01/01   ---      4.9      6.2     11.6
      GREYS BOUNDARY         5720    4/29/01     0       .0       .0      2.6
      GROS VENTRE SNOTEL     8750    5/01/01   ---      8.9      7.9     13.9
      GROVER PARK DIVIDE     7000    4/30/01     0       .0       .3      7.9
      HAIRPIN TURN           9480    4/26/01    43     14.0      8.0     16.6
      HANSEN S.M. SNOTEL     8360    5/01/01   ---       .2       .5      6.9
      HAMS FORK SNOTEL       7840    5/01/01   ---       .0       .0      5.7
      HASKINS CREEK          8980    4/27/01    71     29.2     30.0     32.6
      HOBBS PARK SNOTEL     10100    5/01/01   ---      6.3      9.4     18.0
      HUCKLEBERRY DIVIDE     7300                                ---      ---
      INDIAN CREEK SNOTEL    9430    5/01/01   ---     16.1     20.1     28.9
      JACKPINE CREEK         7350    5/02/01    20      8.7      8.8     19.8
      KELLEY R.S. SNOTEL     8180    5/01/01   ---      6.0      7.4     15.0
      KENDALL R.S. SNOTEL    7740    5/01/01   ---      1.5      3.0     10.6
      KIRWIN SNOTEL          9550    5/01/01   ---      5.5      9.0     11.7
      LA BONTE               8450    4/30/01     0       .0       .0      1.8
      LAKE CAMP              7780    4/29/01    18      5.4      7.0      7.2
      LA PRELE SNOTEL        8380    5/01/01   ---      4.7      5.9      6.3
      LARSEN CREEK           9020    4/26/01    23      8.0      9.8     11.2
      LEWIS LAKE SNOTEL      7850    5/01/01   ---     15.9     19.7     34.4
      LEWIS LAKE DIVIDE      7850    4/30/01    51     22.5     33.2     42.0
      LIBBY LODGE            8750    4/26/01    24      8.5       .8      9.0
      LITTLE BEAR RUN        6240    5/01/01     0       .0      ---      ---
      LITTLE WARM SNOTEL     9370    5/01/01   ---      5.0      7.2     10.4
      LOOMIS PARK SNOTEL     8240    5/01/01   ---      6.9      8.6     15.1
      LUPINE CREEK           7380    4/27/01     0       .0       .0      6.6
      MALLO                  6420    4/30/01     0       .0      ---       .0
      MARQUETTE SNOTEL       8760    5/01/01   ---      2.2      6.6      8.6
      MEDICINE LODGE LAKES   9340    4/26/01    38     10.6     10.5     12.5
      MIDDLE FORK            7420    4/27/01    10      3.0      1.2      5.0
      MIDDLE POWDER SNOTEL   7760    5/01/01   ---      6.5     10.0     14.8
      MORAN                  6750                                ---      ---
      MOSS LAKE              9800    4/27/01    58     21.0     18.3     26.9
      MOUNT TOM              5560                                ---       .1
      NEW FORK SNOTEL        8340    5/01/01   ---      3.8      3.2      9.1
      NORRIS BASIN           7500    5/28/01    16      6.2       .0      7.5
      NORTH BARRETT CREEK    9400    4/27/01    58     21.9     20.8     22.6
      NORTH FRENCH SNOTEL   10130    5/01/01   ---     29.7     25.8     29.4
      NORTH RAPID CK PILL.   6130    5/01/01   ---       .5      2.3      ---
      NORTH TONGUE           8450    4/26/01    31      8.6     11.1     13.9
      OLD BATTLE SNOTEL      9920    5/01/01   ---     29.6     27.8     38.2
      OLD FAITHFUL           7400    4/30/01     0       .0      3.2     10.0
      ONION GULCH            8780    4/26/01    28      6.2      5.6      8.9
      OWL CREEK SNOTEL       8980    5/01/01   ---       .0       .0      3.4
      PARKERS PEAK SNOTEL    9400    5/01/01   ---     15.6     17.9     23.7
      PHILLIPS BENCH SNOT.   8200    5/01/01   ---     17.0     19.7     29.5
      POCKET CREEK           9350    4/26/01    38      9.8      ---     13.3
      POISON MEADOWS         8500                                ---     29.9
      POLE MOUNTAIN          8700    4/26/01    19      6.4      1.2      4.1
      POWDER RVR.PASS SNOT   9480    5/01/01   ---      5.4      6.9     10.5
      PURGATORY GULCH        8970    4/27/01    35     13.4      8.7     10.3
      RANGER CREEK           8120    4/26/01    24      6.1      6.6      8.1
      RENO HILL SNOTEL       8500    5/01/01   ---     12.7     12.2     13.4
      REUTER CANYON          6280    4/30/01     3       .8       .0      4.5
      ROWDY CREEK            8300    4/30/01    32     11.4     16.6     20.6
      RYAN PARK              8400    4/27/01    16      6.7      2.1      7.9
      SALT RIVER SNOTEL      7600    5/01/01   ---      2.0      4.3     10.8
      SAND LAKE SNOTEL      10050    5/01/01   ---     30.5     25.3     37.2
      SANDSTONE SNOTEL       8150    5/01/01   ---      4.2      2.4      9.8
      SAWMILL DIVIDE         9260    4/26/01    39     10.6     14.1     15.6
      SHELL CREEK SNOTEL     9580    5/01/01   ---     12.4     15.8     17.0
      SHERIDAN R.S.          7750    4/26/01     5      1.5      1.4      3.2
      SNAKE RIVER STATION    6920                                ---      ---
      SNAKE RV STA SNOTEL    6920    5/01/01   ---      1.8       .6     16.4
      SNIDER BASIN SNOTEL    8060    5/01/01   ---      5.9      6.9     13.0
      SNOW KING MTN          7660                                2.6     12.4
      SOLDIER PARK           8780    4/26/01    21      1.1       .0      6.9
      SOUR DOUGH             8460    4/26/01    25      6.6      4.2      6.9
      SOUTH BRUSH SNOTEL     8440    5/01/01   ---      4.5      3.0     10.6
      SOUTH PASS SNOTEL      9040    5/01/01   ---      8.4     12.0     18.1
      SPRING CRK. SNOTEL     9000    5/01/01   ---     18.8     20.1     29.6
      ST LAWRENCE ALT SNOT   8620    5/01/01   ---       .0       .0      5.4
      SUCKER CREEK SNOTEL    8880    5/01/01   ---      6.7     11.6     13.8
      SYLVAN LAKE SNOTEL     8420    5/01/01   ---     14.8     16.3     23.8
      SYLVAN ROAD SNOTEL     7120    5/01/01   ---      5.3      4.2      7.9
      T CROSS RANCH          7900    4/26/01     4      1.2       .3      3.6
      TETON PASS W.S.        7740    5/01/01    37     14.7     18.2     27.1
      THUMB DIVIDE SNOTEL    7980    5/01/01   ---      3.6      5.4     15.1
      THUMB DIVIDE           7980                                ---      ---
      TIE CREEK SNOTEL       6870    5/01/01   ---      2.3       .4      ---
      TIMBER CREEK SNOTEL    7950    5/01/01   ---       .0       .1      6.0
      TOGWOTEE PASS SNOTEL   9580    5/01/01    52     17.5     23.3     28.3
      TOWNSEND CRK SNOTEL    8700    5/01/01   ---      1.1      3.1      9.5
      TRIPLE PEAK  SNOTEL    8500    5/01/01   ---     12.0     12.0     25.0
      TURPIN MEADOWS         6900                                ---      ---
      TWO OCEAN SNOTEL       9240    5/01/01   ---     22.0     24.5     29.2
      TYRELL RANGER STA.     8300    4/26/01    21      3.2       .0      7.5
      UPPER SPEARFISH        6500                                ---      7.0
      WARREN PEAK SNOTEL     6520                                5.5      9.6
      WEBBER SPRING SNOTEL   9250    5/01/01   ---     16.2     16.1     26.0
      WHISKEY PARK SNOTEL    8950    5/01/01   ---     23.1     23.3     29.6
      WILLOW CREEK SNOTEL    8450    5/01/01   ---     14.3     20.6     31.9
      WINDY PEAK SNOTEL      7900    5/01/01   ---      3.7      4.2      7.9
      WOLVERINE SNOTEL       7650    5/01/01   ---       .1       .0      8.1
      WOOD ROCK G.S.         8440    4/26/01    26      6.5      9.5     12.2
      YOUNTS PEAK SNOTEL     8350    5/01/01   ---      9.5     15.0     18.3
 (d) Denotes discontinued site.

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