Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 310729
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT SAT OCT 31 2026
...................................
...THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 30 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 67 3:15 PM 75 1950 54 13 52
MINIMUM 28 4:33 AM -9 2019 27 1 21
AVERAGE 48 40 8
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY 0.0 14.5 2003 0.2 -0.2 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 0
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 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 4.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 10:00 PM
LOWEST 27 2:00 PM
AVERAGE 60
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 53 70 2008
2014
MINIMUM TEMPERATURE (F) 26 2 1972
SUNRISE AND SUNSET
OCTOBER 31 2026.......SUNRISE 7:39 AM MDT SUNSET 5:59 PM MDT
NOVEMBER 1 2026......SUNRISE 6:40 AM MST SUNSET 4:58 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$