091
CDUS45 KRIW 260729
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT TUE MAY 26 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR MAY 25 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 81 4:19 PM 85 1969 71 10 64
2003
2006
MINIMUM 49 4:09 AM 27 2020 40 9 45
AVERAGE 65 56 9
PRECIPITATION (IN)
YESTERDAY 0.00 0.78 1962 0.07 -0.07 T
MONTH TO DATE 1.59 1.80 -0.21 1.00
SINCE MAR 1 3.03 4.05 -1.02 3.92
SINCE JAN 1 3.57 5.10 -1.53 4.64
SNOWFALL (IN)
YESTERDAY 0.0 2.1 1950 0.1 -0.1 0.0
MONTH TO DATE 2.5 2.5 0.0 0.3
SINCE MAR 1 13.9 23.3 -9.4 16.0
SINCE JUL 1 29.6 71.6 -42.0 26.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 10 -10 10
MONTH TO DATE 348 359 -11 328
SINCE MAR 1 1554 1948 -394 1877
SINCE JUL 1 5731 7310 -1579 6892
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 26 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 8.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 1:00 AM
LOWEST 19 4:00 PM
AVERAGE 45
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 91 2006
MINIMUM TEMPERATURE (F) 41 29 1950
1989
SUNRISE AND SUNSET
MAY 26 2026...........SUNRISE 5:33 AM MDT SUNSET 8:33 PM MDT
MAY 27 2026...........SUNRISE 5:33 AM MDT SUNSET 8:34 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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