Climatological Report (Daily)
Issued by NWS
Issued by NWS
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798
CDUS45 KRIW 010727
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT SUN NOV 01 2026
...................................
...THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 31 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 65 2:41 PM 70 2008 53 12 50
2014
MINIMUM 30 12:15 AM 2 1972 26 4 18
AVERAGE 48 40 8
PRECIPITATION (IN)
YESTERDAY 0.00 0.31 2000 0.03 -0.03 0.00
MONTH TO DATE 0.84 1.19 -0.35 1.56
SINCE SEP 1 1.60 2.14 -0.54 4.11
SINCE JAN 1 7.94 10.97 -3.03 11.42
SNOWFALL (IN)
YESTERDAY 0.0 3.5 1966 0.3 -0.3 0.0
MONTH TO DATE 0.0 7.0 -7.0 1.3
SINCE SEP 1 0.0 8.5 -8.5 1.3
SINCE JUL 1 0.0 8.5 -8.5 1.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 17 25 -8 31
MONTH TO DATE 374 613 -239 542
SINCE SEP 1 482 827 -345 655
SINCE JUL 1 487 872 -385 665
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 2 1 1 0
SINCE SEP 1 47 31 16 17
SINCE JAN 1 640 443 197 467
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 12.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 34 2:00 PM
AVERAGE 67
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 53 72 2014
MINIMUM TEMPERATURE (F) 26 -4 1991
SUNRISE AND SUNSET
NOVEMBER 1 2026......SUNRISE 6:40 AM MST SUNSET 4:58 PM MST
NOVEMBER 2 2026......SUNRISE 6:42 AM MST SUNSET 4:57 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$