850
CDUS45 KRIW 140045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT MON OCT 13 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 13 2025
VALID TODAY AS OF 0600 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 61 2:39 PM 80 1958 61 0 67
MINIMUM 24 6:19 AM 9 1969 32 -8 31
AVERAGE 43 46 -3 49
PRECIPITATION (IN)
TODAY 0.00 0.56 1966 0.04 -0.04 0.00
MONTH TO DATE 0.69 0.57 0.12 0.00
SINCE SEP 1 3.24 1.52 1.72 0.24
SINCE JAN 1 10.55 10.35 0.20 7.22
SNOWFALL (IN)
TODAY MM 0.2 MM 0.0
MONTH TO DATE 0.0 2.5 -2.5 0.0
SINCE SEP 1 0.0 4.0 -4.0 0.0
SINCE JUL 1 0.0 4.0 -4.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 22 19 3 16
MONTH TO DATE 172 210 -38 119
SINCE SEP 1 285 424 -139 221
SINCE JUL 1 295 469 -174 259
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 17 30 -13 63
SINCE JAN 1 467 442 25 538
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 7.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96
LOWEST 33
AVERAGE 65
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 80 1958
MINIMUM TEMPERATURE (F) 31 9 1969
SUNRISE AND SUNSET
OCTOBER 13 2025.......SUNRISE 7:17 AM MDT SUNSET 6:26 PM MDT
OCTOBER 14 2025.......SUNRISE 7:19 AM MDT SUNSET 6:24 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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