414
CDUS45 KRIW 300732
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT SAT MAY 30 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR MAY 29 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 85 1:38 PM 95 2003 72 13 72
MINIMUM 45 4:40 AM 29 1947 41 4 41
AVERAGE 65 57 8
PRECIPITATION (IN)
YESTERDAY T 1.19 1971 0.07 -0.07 0.00
MONTH TO DATE 1.67 2.08 -0.41 1.28
SINCE MAR 1 3.11 4.33 -1.22 4.20
SINCE JAN 1 3.65 5.38 -1.73 4.92
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2021 0.1 -0.1 0.0
MONTH TO DATE 2.5 2.6 -0.1 0.3
SINCE MAR 1 13.9 23.4 -9.5 16.0
SINCE JUL 1 29.6 71.7 -42.1 26.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 8 -8 8
MONTH TO DATE 356 394 -38 363
SINCE MAR 1 1562 1983 -421 1912
SINCE JUL 1 5739 7345 -1606 6927
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 1 0 1 0
SINCE MAR 1 1 0 1 0
SINCE JAN 1 1 0 1 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 9.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 5:00 AM
LOWEST 15 2:00 PM
AVERAGE 54
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 92 1984
MINIMUM TEMPERATURE (F) 42 29 2004
2006
2010
SUNRISE AND SUNSET
MAY 30 2026...........SUNRISE 5:31 AM MDT SUNSET 8:37 PM MDT
MAY 31 2026...........SUNRISE 5:30 AM MDT SUNSET 8:37 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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