Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 310045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT FRI OCT 30 2026
...................................
...THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 30 2026...
VALID TODAY AS OF 0600 PM LOCAL TIME.
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)
TODAY
MAXIMUM 67 3:15 PM 75 1950 54 13 52
MINIMUM 28 4:33 AM -9 2019 27 1 21
AVERAGE 48 40 8 37
PRECIPITATION (IN)
TODAY 0.00 0.31 1974 0.03 -0.03 0.00
MONTH TO DATE 0.84 1.16 -0.32 1.56
SINCE SEP 1 1.60 2.11 -0.51 4.11
SINCE JAN 1 7.94 10.94 -3.00 11.42
SNOWFALL (IN)
TODAY MM 0.2 MM 0.0
MONTH TO DATE 0.0 6.7 -6.7 1.3
SINCE SEP 1 0.0 8.2 -8.2 1.3
SINCE JUL 1 0.0 8.2 -8.2 1.3
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 17 25 -8 28
MONTH TO DATE 357 588 -231 511
SINCE SEP 1 465 802 -337 624
SINCE JUL 1 470 847 -377 634
COOLING
TODAY 0 0 0 0
MONTH TO DATE 2 0 2 0
SINCE SEP 1 47 30 17 17
SINCE JAN 1 640 442 198 467
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 4.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89
LOWEST 27
AVERAGE 58
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 53 70 2008
2014
MINIMUM TEMPERATURE (F) 26 2 1972
SUNRISE AND SUNSET
OCTOBER 30 2026.......SUNRISE 7:38 AM MDT SUNSET 6:01 PM MDT
OCTOBER 31 2026.......SUNRISE 7:39 AM MDT SUNSET 5:59 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$