505
CDUS45 KRIW 280728
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1228 AM MST WED JAN 28 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JANUARY 27 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 45 3:14 PM 58 2015 36 9 34
MINIMUM 20 10:00 PM -26 1980 15 5 14
AVERAGE 33 25 8
PRECIPITATION (IN)
YESTERDAY 0.00 0.31 2000 0.02 -0.02 0.00
MONTH TO DATE 0.19 0.43 -0.24 0.48
SINCE DEC 1 0.55 1.04 -0.49 0.64
SINCE JAN 1 0.19 0.43 -0.24 0.48
SNOWFALL (IN)
YESTERDAY 0.0 9.7 2000 0.3 -0.3 0.0
MONTH TO DATE 1.4 7.8 -6.4 6.7
SINCE DEC 1 6.9 18.8 -11.9 8.2
SINCE JUL 1 11.2 36.2 -25.0 8.2
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 32 40 -8 41
MONTH TO DATE 948 1083 -135 1295
SINCE DEC 1 1811 2331 -520 2265
SINCE JUL 1 3237 4133 -896 3765
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
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WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 10.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 55 10:00 PM
LOWEST 21 3:00 PM
AVERAGE 38
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 55 1971
MINIMUM TEMPERATURE (F) 15 -32 1980
SUNRISE AND SUNSET
JANUARY 28 2026.......SUNRISE 7:24 AM MST SUNSET 5:14 PM MST
JANUARY 29 2026.......SUNRISE 7:24 AM MST SUNSET 5:15 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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