955
CDUS45 KRIW 210733
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1233 AM MST FRI NOV 21 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR NOVEMBER 20 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 54 3:50 PM 61 1966 44 10 47
MINIMUM 29 11:57 PM -14 1977 21 8 13
2011
AVERAGE 42 32 10
PRECIPITATION (IN)
YESTERDAY 0.00 0.52 1979 0.02 -0.02 0.00
MONTH TO DATE 0.03 0.44 -0.41 0.12
SINCE SEP 1 4.14 2.58 1.56 1.87
SINCE JAN 1 11.45 11.41 0.04 8.85
SNOWFALL (IN)
YESTERDAY 0.0 12.0 1979 0.3 -0.3 0.0
MONTH TO DATE T 5.8 -5.8 T
SINCE SEP 1 1.3 14.3 -13.0 T
SINCE JUL 1 1.3 14.3 -13.0 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 23 33 -10 35
MONTH TO DATE 385 582 -197 582
SINCE SEP 1 1040 1407 -367 1142
SINCE JUL 1 1050 1452 -402 1180
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 12 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 4.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 3:00 AM
LOWEST 48 3:00 PM
AVERAGE 74
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 61 1989
2012
MINIMUM TEMPERATURE (F) 20 -16 1947
SUNRISE AND SUNSET
NOVEMBER 21 2025......SUNRISE 7:06 AM MST SUNSET 4:37 PM MST
NOVEMBER 22 2025......SUNRISE 7:07 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page