175
CDUS45 KRIW 020045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT THU OCT 01 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 1 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 71 4:16 PM 87 1992 67 4 74
MINIMUM 37 6:18 AM 20 1985 36 1 43
AVERAGE 54 52 2 59
PRECIPITATION (IN)
TODAY 0.00 0.71 1950 0.05 -0.05 0.00
MONTH TO DATE 0.00 0.05 -0.05 0.00
SINCE SEP 1 0.76 1.00 -0.24 2.55
SINCE JAN 1 7.10 9.83 -2.73 9.86
SNOWFALL (IN)
TODAY MM 0.2 MM 0.0
MONTH TO DATE MM 0.2 MM 0.0
SINCE SEP 1 0.0 1.7 -1.7 0.0
SINCE JUL 1 0.0 1.7 -1.7 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 11 13 -2 6
MONTH TO DATE 11 13 -2 6
SINCE SEP 1 119 227 -108 119
SINCE JUL 1 124 272 -148 129
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 45 30 15 17
SINCE JAN 1 638 442 196 467
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 5.9
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 93
LOWEST 35
AVERAGE 64
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 86 1992
MINIMUM TEMPERATURE (F) 36 15 1950
SUNRISE AND SUNSET
OCTOBER 1 2026.......SUNRISE 7:03 AM MDT SUNSET 6:47 PM MDT
OCTOBER 2 2026.......SUNRISE 7:04 AM MDT SUNSET 6:45 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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