017
CDUS45 KRIW 070727
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT TUE APR 07 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR APRIL 6 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 61 3:23 PM 77 1991 54 7 59
MINIMUM 26 5:47 AM 6 1997 27 -1 26
AVERAGE 44 41 3
PRECIPITATION (IN)
YESTERDAY 0.00 0.85 1941 0.04 -0.04 0.00
MONTH TO DATE 0.22 0.23 -0.01 0.29
SINCE MAR 1 0.38 1.07 -0.69 1.62
SINCE JAN 1 0.92 2.12 -1.20 2.34
SNOWFALL (IN)
YESTERDAY 0.0 6.3 1957 0.5 -0.5 0.0
MONTH TO DATE 1.3 2.5 -1.2 3.7
SINCE MAR 1 2.9 12.8 -9.9 11.7
SINCE JUL 1 18.6 61.1 -42.5 22.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 21 24 -3 22
MONTH TO DATE 145 149 -4 188
SINCE MAR 1 731 1056 -325 1037
SINCE JUL 1 4908 6418 -1510 6052
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 10.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 6:00 AM
LOWEST 29 2:00 PM
AVERAGE 61
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 77 1988
MINIMUM TEMPERATURE (F) 27 14 1973
2008
2018
SUNRISE AND SUNSET
APRIL 7 2026.........SUNRISE 6:37 AM MDT SUNSET 7:39 PM MDT
APRIL 8 2026.........SUNRISE 6:36 AM MDT SUNSET 7:40 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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