544
CDUS45 KRIW 170728
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1228 AM MST SAT JAN 17 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JANUARY 16 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 28 2:59 PM 55 1974 36 -8 43
MINIMUM 11 11:02 PM -22 1957 15 -4 25
AVERAGE 20 25 -5
PRECIPITATION (IN)
YESTERDAY T 0.52 1995 0.02 -0.02 0.00
MONTH TO DATE 0.13 0.26 -0.13 0.28
SINCE DEC 1 0.49 0.87 -0.38 0.44
SINCE JAN 1 0.13 0.26 -0.13 0.28
SNOWFALL (IN)
YESTERDAY T 6.8 1995 0.3 -0.3 0.0
MONTH TO DATE 1.2 4.6 -3.4 4.0
SINCE DEC 1 6.7 15.6 -8.9 5.5
SINCE JUL 1 11.0 33.0 -22.0 5.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 45 40 5 31
MONTH TO DATE 434 643 -209 690
SINCE DEC 1 1297 1891 -594 1660
SINCE JUL 1 2723 3693 -970 3160
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 47 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 62 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 18.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 68 12:00 AM
LOWEST 21 3:00 PM
AVERAGE 45
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 36 56 2000
MINIMUM TEMPERATURE (F) 15 -31 1943
SUNRISE AND SUNSET
JANUARY 17 2026.......SUNRISE 7:33 AM MST SUNSET 5:00 PM MST
JANUARY 18 2026.......SUNRISE 7:32 AM MST SUNSET 5:01 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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