027
CDUS45 KRIW 160045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT THU OCT 15 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 15 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 52 3:32 PM 80 1958 60 -8 63
1991
MINIMUM 36 6:23 AM 17 2018 31 5 34
AVERAGE 44 45 -1 49
PRECIPITATION (IN)
TODAY 0.01 1.28 1994 0.04 -0.03 0.28
MONTH TO DATE 0.84 0.66 0.18 0.97
SINCE SEP 1 1.60 1.61 -0.01 3.52
SINCE JAN 1 7.94 10.44 -2.50 10.83
SNOWFALL (IN)
TODAY MM 0.2 MM 0.0
MONTH TO DATE 0.0 2.9 -2.9 0.0
SINCE SEP 1 0.0 4.4 -4.4 0.0
SINCE JUL 1 0.0 4.4 -4.4 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 21 20 1 16
MONTH TO DATE 127 249 -122 201
SINCE SEP 1 235 463 -228 314
SINCE JUL 1 240 508 -268 324
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 21 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 8.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93
LOWEST 50
AVERAGE 72
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 83 1991
MINIMUM TEMPERATURE (F) 31 18 1992
SUNRISE AND SUNSET
OCTOBER 15 2026.......SUNRISE 7:19 AM MDT SUNSET 6:23 PM MDT
OCTOBER 16 2026.......SUNRISE 7:21 AM MDT SUNSET 6:21 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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