Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 200728
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1228 AM MST THU NOV 20 2025
...................................
...THE CASPER WY CLIMATE SUMMARY FOR NOVEMBER 19 2025...
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)
YESTERDAY
MAXIMUM 57 1:47 PM 67 2007 44 13 36
MINIMUM 34 9:05 PM -14 2011 21 13 16
AVERAGE 46 33 13
PRECIPITATION (IN)
YESTERDAY 0.00 0.39 1977 0.02 -0.02 T
MONTH TO DATE 0.03 0.42 -0.39 0.12
SINCE SEP 1 4.14 2.56 1.58 1.87
SINCE JAN 1 11.45 11.39 0.06 8.85
SNOWFALL (IN)
YESTERDAY 0.0 8.1 1977 0.3 -0.3 T
MONTH TO DATE T 5.5 -5.5 T
SINCE SEP 1 1.3 14.0 -12.7 T
SINCE JUL 1 1.3 14.0 -12.7 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 19 32 -13 39
MONTH TO DATE 362 549 -187 547
SINCE SEP 1 1017 1374 -357 1107
SINCE JUL 1 1027 1419 -392 1145
COOLING
YESTERDAY 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 18 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 10.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 10:00 PM
LOWEST 41 3:00 PM
AVERAGE 69
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 61 1966
MINIMUM TEMPERATURE (F) 21 -14 1977
2011
SUNRISE AND SUNSET
NOVEMBER 20 2025......SUNRISE 7:05 AM MST SUNSET 4:38 PM MST
NOVEMBER 21 2025......SUNRISE 7:06 AM MST SUNSET 4:37 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$