504
CDUS45 KRIW 150732
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT THU OCT 15 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 14 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 48 1:42 PM 80 1958 60 -12 71
MINIMUM 41 9:09 AM 9 1969 31 10 32
AVERAGE 45 46 -1
PRECIPITATION (IN)
YESTERDAY 0.61R 0.53 1957 0.05 0.56 T
MONTH TO DATE 0.83 0.62 0.21 0.69
SINCE SEP 1 1.59 1.57 0.02 3.24
SINCE JAN 1 7.93 10.40 -2.47 10.55
SNOWFALL (IN)
YESTERDAY 0.0 1.7 1970 0.2 -0.2 0.0
MONTH TO DATE 0.0 2.7 -2.7 0.0
SINCE SEP 1 0.0 4.2 -4.2 0.0
SINCE JUL 1 0.0 4.2 -4.2 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 20 19 1 13
MONTH TO DATE 106 229 -123 185
SINCE SEP 1 214 443 -229 298
SINCE JUL 1 219 488 -269 308
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 20 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 11.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 7:00 PM
LOWEST 82 4:00 PM
AVERAGE 90
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 80 1958
1991
MINIMUM TEMPERATURE (F) 31 17 2018
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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