National Weather Service Text Product
AFOS product CLICPR
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLICPR
Product Timestamp: 2025-05-17 07:42 UTC
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810
CDUS45 KRIW 170742
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
142 AM MDT SAT MAY 17 2025
...................................
...THE CASPER WY CLIMATE SUMMARY FOR MAY 16 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 63 MM 88 2012 67 -4 75
MINIMUM 37 MM 25 2009 37 0 38
AVERAGE 50 52 -2
PRECIPITATION (IN)
YESTERDAY 0.00 0.80 1991 0.07 -0.07 0.00
MONTH TO DATE 0.41 1.13 -0.72 1.85
SINCE MAR 1 3.33 3.38 -0.05 3.64
SINCE JAN 1 4.05 4.43 -0.38 4.67
SNOWFALL (IN)
YESTERDAY 0.0 4.8 1986 0.0 0.0 0.0
MONTH TO DATE 0.3 2.0 -1.7 3.9
SINCE MAR 1 16.0 22.8 -6.8 13.2
SINCE JUL 1 26.5 71.1 -44.6 42.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 15 13 2 8
MONTH TO DATE 200 258 -58 281
SINCE MAR 1 1749 1847 -98 1807
SINCE JUL 1 6764 7209 -445 6762
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 21 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 13.7
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 89 4:00 AM
LOWEST 25 3:00 PM
AVERAGE 57
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 87 1948
MINIMUM TEMPERATURE (F) 38 28 1942
1986
1990
SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE 5:41 AM MDT SUNSET 8:25 PM MDT
MAY 18 2025...........SUNRISE 5:40 AM MDT SUNSET 8:26 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$