613
CDUS45 KRIW 230045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT THU OCT 22 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 22 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 70 1:14 PM 80 2003 57 13 64
MINIMUM 45 6:13 AM 9 2020 29 16 28
AVERAGE 58 43 15 46
PRECIPITATION (IN)
TODAY T 0.69 1986 0.03 -0.03 0.00
MONTH TO DATE 0.84 0.92 -0.08 1.49
SINCE SEP 1 1.60 1.87 -0.27 4.04
SINCE JAN 1 7.94 10.70 -2.76 11.35
SNOWFALL (IN)
TODAY MM 0.3 MM 0.0
MONTH TO DATE 0.0 4.7 -4.7 0.3
SINCE SEP 1 0.0 6.2 -6.2 0.3
SINCE JUL 1 0.0 6.2 -6.2 0.3
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 7 22 -15 19
MONTH TO DATE 210 397 -187 339
SINCE SEP 1 318 611 -293 452
SINCE JUL 1 323 656 -333 462
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 29 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 15.9
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 83
LOWEST 39
AVERAGE 61
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 81 2003
MINIMUM TEMPERATURE (F) 29 -5 2020
SUNRISE AND SUNSET
OCTOBER 22 2026.......SUNRISE 7:28 AM MDT SUNSET 6:12 PM MDT
OCTOBER 23 2026.......SUNRISE 7:29 AM MDT SUNSET 6:11 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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