013
CDUS45 KRIW 280734
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
134 AM MDT FRI AUG 28 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR AUGUST 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 92 3:02 PM 96 1995 84 8 70
2011
2012
MINIMUM 52 4:35 AM 37 1976 49 3 59
AVERAGE 72 66 6
PRECIPITATION (IN)
YESTERDAY T 0.44 2025 0.02 -0.02 0.44
MONTH TO DATE 2.01 0.71 1.30 0.67
SINCE JUN 1 2.69 3.24 -0.55 2.34
SINCE JAN 1 6.34 8.75 -2.41 7.26
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 5 19 -14 4
SINCE JUN 1 97 159 -62 100
SINCE JUL 1 5 33 -28 9
COOLING
YESTERDAY 7 3 4 0
MONTH TO DATE 192 144 48 143
SINCE JUN 1 569 395 174 445
SINCE JAN 1 570 399 171 445
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 51 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 67 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 6.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 2:00 AM
LOWEST 16 3:00 PM
AVERAGE 51
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 95 1995
2012
MINIMUM TEMPERATURE (F) 48 34 2004
SUNRISE AND SUNSET
AUGUST 28 2026........SUNRISE 6:26 AM MDT SUNSET 7:47 PM MDT
AUGUST 29 2026........SUNRISE 6:27 AM MDT SUNSET 7:45 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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