290
CDUS45 KRIW 190045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
545 PM MST TUE NOV 18 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR NOVEMBER 18 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 52 3:15 PM 68 2008 45 7 50
MINIMUM 43 7:02 AM -9 2022 21 22 24
AVERAGE 48 33 15 37
PRECIPITATION (IN)
TODAY 0.02 0.68 1981 0.02 0.00 0.00
MONTH TO DATE 0.03 0.40 -0.37 0.12
SINCE SEP 1 4.14 2.54 1.60 1.87
SINCE JAN 1 11.45 11.37 0.08 8.85
SNOWFALL (IN)
TODAY MM 0.3 MM 0.0
MONTH TO DATE T 5.2 -5.2 T
SINCE SEP 1 1.3 13.7 -12.4 T
SINCE JUL 1 1.3 13.7 -12.4 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 17 32 -15 28
MONTH TO DATE 339 517 -178 508
SINCE SEP 1 994 1342 -348 1068
SINCE JUL 1 1004 1387 -383 1106
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 17 31 -14 63
SINCE JAN 1 467 443 24 538
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 15.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85
LOWEST 46
AVERAGE 66
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 67 2007
MINIMUM TEMPERATURE (F) 21 -14 2011
SUNRISE AND SUNSET
NOVEMBER 18 2025......SUNRISE 7:02 AM MST SUNSET 4:40 PM MST
NOVEMBER 19 2025......SUNRISE 7:04 AM MST SUNSET 4:39 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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