306
CDUS45 KRIW 160728
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT FRI OCT 16 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 15 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 52 3:32 PM 80 1958 60 -8 63
1991
MINIMUM 28 11:59 PM 17 2018 31 -3 34
AVERAGE 40 45 -5
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY MM 2.0 1999 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
YESTERDAY 25 20 5 16
MONTH TO DATE 131 249 -118 201
SINCE SEP 1 239 463 -224 314
SINCE JUL 1 244 508 -264 324
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
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WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 7.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 12:00 AM
LOWEST 50 4:00 PM
AVERAGE 72
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 83 1991
MINIMUM TEMPERATURE (F) 31 18 1992
SUNRISE AND SUNSET
OCTOBER 16 2026.......SUNRISE 7:21 AM MDT SUNSET 6:21 PM MDT
OCTOBER 17 2026.......SUNRISE 7:22 AM MDT SUNSET 6:20 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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