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Snow in the Great Lakes; Critical Fire Weather in the Southwest and Southern Plains

Lake effect snow will continue downwind of the Lower Great Lakes through Wednesday, with accumulations of 4 to 8 inches possible for portions of Upstate New York and the Adirondacks. Gusty winds and dry conditions will result in critical fire weather conditions in the Southwest and Southern Plains Wednesday through Friday. Red Flag Warnings have been issued. Read More >

Cooperative Observer Water Year Precipitation

                       Western and Central Wyoming

 

Water Year: 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

 

PRELIMINARY WATER YEAR PRECIPITATION TOTALS
DATA AS OF:  MARCH 2025
FILE CREATED AT:  Tue Apr 15 22:00:03 GMT 2025

BIG HORN COUNTY WY STATIONS                          PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
KGEY     GREYBULL ASOS             0.38  0.21  0.23  0.16  0.05  0.47     M     M     M     M     M     M   1.50  -0.49     75
GBLW4    GREYBULL COOP                M     M     M     M     M     M     M     M     M     M     M     M      M      M      M 
SHLW4    SHELL 1NE COOP            0.85  0.43  0.27  0.24  1.03     M     M     M     M     M     M     M   2.82  -0.35     88
BSNW4    BASIN COOP                0.85  0.41  0.29     M     M     M     M     M     M     M     M     M      M      M      M 
DEVW4    DEAVER COOP               0.30     T     T  0.17  0.45     M     M     M     M     M     M     M   0.96  +0.07    107
EMBW4    EMBLEM COOP               0.26  0.09  0.02  0.19  0.78     M     M     M     M     M     M     M   1.34  -0.18     88
LOVW4    LOVELL COOP                  M  0.20  0.03     M     M     M     M     M     M     M     M     M      M      M      M 
RONW4    RAIRDEN 2WSW COOP         0.63  0.27  0.18  0.10  0.34     M     M     M     M     M     M     M   1.87  +0.37    124

FREMONT COUNTY WY STATIONS                           PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
KLND     LANDER ASOS               1.45  0.32  0.04  0.87  0.15  3.03     M     M     M     M     M     M   5.86  +0.98    120
LNRW4    LANDER COOP               1.44  0.33  0.02  0.87  0.14  2.63     M     M     M     M     M     M   5.43  +1.35    133
KRIW     RIVERTON ASOS             0.57  0.15  0.05  0.42  0.08  1.72     M     M     M     M     M     M   2.99  +0.22    107
RIVW4    RIVERTON COOP             0.60  0.24  0.05  0.51  0.06  1.42     M     M     M     M     M     M   2.88  +0.21    107
ATLW4    ATLANTIC CITY COOP           M     M     M     M     M     M     M     M     M     M     M     M      M      M      M 
JEFW4    JEFFREY CITY COOP         1.26  0.01  0.00  1.03     T     M     M     M     M     M     M     M   2.32  -0.32     87
SBDW4    BOYSEN DAM COOP           0.31     T  0.40  0.58     T  1.04     M     M     M     M     M     M   2.33  -0.45     83
SSHW4    SHOSHONI COOP             0.25  0.05  0.40  0.02  0.03  1.08     M     M     M     M     M     M   1.83  +0.17    110
DBOW4    DUBOIS COOP               0.74  0.45  0.23  0.28  1.06  1.04     M     M     M     M     M     M   3.80  +1.12    141
PVLW4    PAVILLION COOP            0.60  0.08  0.00  0.42     M     M     M     M     M     M     M     M   2.66  +1.26    190
MTNW4    DIVERSION DAM COOP           M     M     M     M     M     M     M     M     M     M     M     M      M      M      M 

HOT SPRINGS COUNTY WY STATIONS                       PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
THMW4    THERMOPOLIS COOP          1.08  0.67  0.11  0.36  0.07     M     M     M     M     M     M     M   3.06  -0.26     92
BMTW4    THERMOPOLIS 9NE COOP      1.49  0.39     T  0.32  0.16  1.06     M     M     M     M     M     M   3.42  -1.09     75
THDW4    THERMOPOLIS 8WNW COOP     0.96  0.15  0.13  0.27  0.11     M     M     M     M     M     M     M   1.83      M      M
BTXW4    BLACK MOUNTAIN COOP       1.00  0.46  0.08  0.43  0.36     M     M     M     M     M     M     M   2.48  -1.77     58

JOHNSON COUNTY WY STATIONS                           PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
KBYG     BUFFALO ASOS              0.78  0.05  0.01     T  0.04  0.60     M     M     M     M     M     M   1.48  -2.08     41
BUFW4    BUFFALO COOP                 M     M     M     M     M     M     M     M     M     M     M     M      M      M      M 
BFFW4    BUFFALO 5WSW COOP            M     M     M     M     M     M     M     M     M     M     M     M      M      M      M 
BLYW4    BILLY CREEK COOP             M     M     M     M     M     M     M     M     M     M     M     M      M      M      M 
KCEW4    KAYCEE COOP               1.08  0.27     T  0.25  0.20     M     M     M     M     M     M     M   2.17  -0.39     84

LINCOLN COUNTY WY STATIONS                           PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
AFOW4    AFTON COOP                1.32  1.06  2.28  1.32  2.74  3.02     M     M     M     M     M     M  11.74  +3.49    142
BDFW4    BEDFORD 3SE COOP          1.22  1.99  2.29  1.82  4.36  3.61     M     M     M     M     M     M  15.29  +4.10    136
FBMW4    FOSSIL BUTTE NAT MON COOP 1.09  0.84  1.41  0.44  2.00  1.70     M     M     M     M     M     M   7.48  +2.78    159
FNTW4    FONTENELLE DAM COOP       0.98  0.19  0.21  0.06  0.55     M     M     M     M     M     M     M   2.65  +0.77    140
KMRW4    KEMMERER 2N COOP          0.85     T     M     M  0.56     M     M     M     M     M     M     M      M      M      M 

NATRONA COUNTY WY STATIONS                           PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
KCPR     CASPER ASOS               1.51  0.39  0.16  0.48  0.23  1.33     M     M     M     M     M     M   4.10  -0.16     96
CSWW4    CASPER 1SW COOP              M     M     M     M     M     M     M     M     M     M     M     M      M      M      M 
CWWW4    CASPER WWTP COOP          2.34  0.31     M  0.50  0.16     M     M     M     M     M     M     M   3.76  +1.04    138
MWTW4    MIDWEST COOP              1.74  0.18  0.12  0.87  0.12     M     M     M     M     M     M     M   3.79  +0.36    110
ACVW4    PATHFINDER DAM COOP       0.64  0.36  0.11  0.84  0.16     M     M     M     M     M     M     M   2.44  -0.72     77
PRSW4    POWDER RIVER SCHOOL COOP  1.06  0.40  0.07     M     M     M     M     M     M     M     M     M      M      M      M 
BCRW4    BATES CREEK COOP          1.28  0.10  0.56  0.89  0.05     M     M     M     M     M     M     M   3.10  -0.98     75

PARK COUNTY WY STATIONS                              PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
KCOD     CODY AWOS                 0.26  0.23     T  0.04  0.11  0.62     M     M     M     M     M     M   1.26      M      M
COPW4    CODY COOP                 0.39  0.49  0.01  0.45  2.11     M     M     M     M     M     M     M   4.56  +2.20    193
BLBW4    BUFFALO BILL DAM COOP     0.33  0.45  0.06  0.62  3.66     M     M     M     M     M     M     M   5.13  +2.75    215
OBAW4    CODY 12SE COOP            0.35  0.19     T  0.45  1.83     M     M     M     M     M     M     M   2.95  +1.25    173
CLAW4    CLARK COOP                0.10  0.11  0.03  0.19  1.48  0.09     M     M     M     M     M     M   2.00  +0.27    115
SUNW4    SUNSHINE 5NE COOP            M     M     M     M     M     M     M     M     M     M     M     M      M      M      M 
WAPW4    WAPITI 1NE COOP              M     M     M     M     M     M     M     M     M     M     M     M      M      M      M 
NFKW4    PAHASKA COOP              1.38  0.90  1.34  1.31  4.72     M     M     M     M     M     M     M  10.41      M      M
PFSW4    POWELL FIELD STN COOP     0.19  0.05     M     M  0.65     M     M     M     M     M     M     M      M      M      M 

SUBLETTE COUNTY WY STATIONS                          PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
KBPI     BIG PINEY ASOS            0.75  0.05  0.30  0.05  0.42  1.26     M     M     M     M     M     M   2.83      M      M
BPIW4    BIG PINEY COOP            0.97  0.12  0.47  0.16  0.59     M     M     M     M     M     M     M   3.19  +1.49    187
BPEW4    BIG PINEY 6NE COOP           M     M     M     M     M     M     M     M     M     M     M     M      M      M      M 
BNWW4    BONDURANT COOP            0.50  0.93  3.54  0.87  3.95     M     M     M     M     M     M     M  10.24  +0.98    110
BRSW4    BOULDER REARING STN COOP  0.53  0.26  0.48  0.43  0.78  0.68     M     M     M     M     M     M   3.16  -0.09     97
CORW4    CORA COOP                    M     M     M     M     M     M     M     M     M     M     M     M      M      M      M 
PNDW4    PINEDALE COOP             0.94  0.41  0.54  0.36  1.12     M     M     M     M     M     M     M   3.92  +0.49    114
DANW4    DANIEL FISH HATCHERY COOP 0.55  0.36  1.13  0.47  1.50  0.86     M     M     M     M     M     M   4.87  +0.14    102

SWEETWATER COUNTY WY STATIONS                        PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
KRKS     ROCK SPRINGS ASOS         0.71  0.36  0.18  0.05  0.22  1.23     M     M     M     M     M     M   2.75  -0.72     79
RSFW4    ROCK SPRINGS FD COOP      0.72  0.32  0.65  0.34  0.28  0.81     M     M     M     M     M     M   3.12  -0.58     84
GRNW4    GREEN RIVER COOP          1.28  1.20  0.65  0.48  0.93  0.96     M     M     M     M     M     M   5.50  +2.36    175
FGRW4    FLAMING GORGE COOP           M     M     M     M     M     M     M     M     M     M     M     M      M      M      M 
FSNW4    FARSON 2NNE COOP          0.54  0.13  0.11  0.09  0.15     M     M     M     M     M     M     M   1.40  -1.09     56
BITW4    BITTER CREEK 4NE COOP     0.48  0.15  0.06  0.02  0.14     M     M     M     M     M     M     M   1.22  -0.90     57
WMSW4    WAMSUTTER COOP            0.99  0.26  0.12  0.26  0.29  0.82     M     M     M     M     M     M   2.74  -0.05     98

TETON COUNTY WY STATIONS                             PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
KJAC     JACKSON AWOS              0.20  0.68  0.95  0.64  1.90  1.43     M     M     M     M     M     M   5.80      M      M
JFSW4    JACKSON COOP              0.41  0.81  1.23  0.36  2.60  2.19     M     M     M     M     M     M   7.60  -0.28     96
MOOW4    MOOSE COOP                0.38     M     M     M  4.93     M     M     M     M     M     M     M      M      M      M 
MRAW4    MORAN 5WNW COOP           0.30  1.53     M     M     M     M     M     M     M     M     M     M      M      M      M 
DARW4    DARWIN RANCH COOP         0.28  1.11  1.25  0.32  2.42     M     M     M     M     M     M     M   6.41  +0.72    112
ALTW4    ALTA COOP                 1.18  1.32  1.60  0.86  2.48     M     M     M     M     M     M     M   8.06  -2.77     74

WASHAKIE COUNTY WY STATIONS                          PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
KWRL     WORLAND ASOS              0.99  0.11  0.09  0.12     T  0.64     M     M     M     M     M     M   1.95  -0.20     90
WORW4    WORLAND COOP              0.86  0.28  0.02  0.09  0.24  0.54     M     M     M     M     M     M   2.03  -0.26     88
TFRW4    TEN SLEEP 4NE COOP        1.20  0.30  0.27  0.82  0.33     M     M     M     M     M     M     M   3.37  -0.30     91
TNSW4    TEN SLEEP 16SSE COOP      1.11  0.44  0.06  0.67  0.18     M     M     M     M     M     M     M      M      M      M 

YELLOWSTONE NATIONAL PARK STNS                       PRECIPITATION (INCHES)             
SHEF ID  STATION                    OCT   NOV   DEC   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP  TOTAL   DIFF  % OF NORMAL
KP60     LAKE YELLOWSTONE ASOS     0.60  1.16  1.33  1.54     M     M     M     M     M     M     M     M      M      M      M 
LKYW4    LAKE YELLOWSTONE COOP        M  0.88  0.86  1.35  2.94     M     M     M     M     M     M     M   7.25  +0.51    107
OLFW4    OLD FAITHFUL COOP            M  1.98  0.82  0.51     M     M     M     M     M     M     M     M   6.58  -0.98     87
BKRW4    BECHLER RIVER COOP           M     M     M     M     M     M     M     M     M     M     M     M      M      M      M 
EYPW4    EAST ENTRANCE COOP           M     M  2.29  1.65  3.98     M     M     M     M     M     M     M      M      M      M 
YLWW4    MAMMOTH COOP              0.44  0.54  0.63  0.61  1.68     M     M     M     M     M     M     M   4.10  -0.39     91
TWRW4    TOWER FALLS RNGR STN COOP 0.11  0.66  0.74  0.69  1.63  0.80     M     M     M     M     M     M   4.63  -2.22     67
LMRW4    LAMAR RNGR STN COOP       0.49  0.43  0.92  1.40  1.78     M     M     M     M     M     M     M   5.24      M      M
SNKW4    SNAKE RIVER RNGR STN COOP 0.56     M  3.62  2.06  8.62     M     M     M     M     M     M     M  17.76  +5.52    145