Climatological Report (Daily)
Issued by NWS
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092
CDUS45 KRIW 050726
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT TUE MAY 05 2026
...................................
...THE CASPER WY CLIMATE SUMMARY FOR MAY 4 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 60 2:15 PM 85 2000 62 -2 77
MINIMUM 38 4:56 AM 23 2024 33 5 33
AVERAGE 49 47 2
PRECIPITATION (IN)
YESTERDAY T 1.39 1971 0.07 -0.07 T
MONTH TO DATE T 0.26 -0.26 0.05
SINCE MAR 1 1.44 2.51 -1.07 2.97
SINCE JAN 1 1.98 3.56 -1.58 3.69
SNOWFALL (IN)
YESTERDAY MM 13.0 1978 0.1 MM 0.0
MONTH TO DATE 0.0 0.6 -0.6 0.0
SINCE MAR 1 11.4 21.4 -10.0 15.7
SINCE JUL 1 27.1 69.7 -42.6 26.2
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 16 18 -2 10
MONTH TO DATE 64 74 -10 62
SINCE MAR 1 1270 1663 -393 1611
SINCE JUL 1 5447 7025 -1578 6626
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 N (10)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 14.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 11:00 PM
LOWEST 34 12:00 PM
AVERAGE 57
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 88 2000
MINIMUM TEMPERATURE (F) 33 20 1950
2010
SUNRISE AND SUNSET
MAY 5 2026...........SUNRISE 5:54 AM MDT SUNSET 8:11 PM MDT
MAY 6 2026...........SUNRISE 5:53 AM MDT SUNSET 8:13 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$