Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 180743
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
143 AM MDT FRI APR 18 2025
...................................
...THE CASPER WY CLIMATE SUMMARY FOR APRIL 17 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 46 12:02 AM 81 1994 56 -10 48
MINIMUM 24 11:59 PM 15 1945 28 -4 25
AVERAGE 35 42 -7
PRECIPITATION (IN)
YESTERDAY 0.38 0.64 1986 0.05 0.33 0.08
MONTH TO DATE 0.67 0.72 -0.05 1.03
SINCE MAR 1 2.00 1.56 0.44 1.60
SINCE JAN 1 2.72 2.61 0.11 2.63
SNOWFALL (IN)
YESTERDAY 3.0 6.6 1986 0.3 2.7 0.9
MONTH TO DATE 6.7 6.6 0.1 5.9
SINCE MAR 1 14.7 16.9 -2.2 8.6
SINCE JUL 1 25.2 65.2 -40.0 37.9
SNOW DEPTH 3
DEGREE DAYS
HEATING
YESTERDAY 30 23 7 28
MONTH TO DATE 400 409 -9 356
SINCE MAR 1 1249 1316 -67 1249
SINCE JUL 1 6264 6678 -414 6204
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 25 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 16.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
SNOW
LIGHT SNOW
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 9:00 AM
LOWEST 58 12:00 AM
AVERAGE 79
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 80 1946
2001
MINIMUM TEMPERATURE (F) 28 4 2013
SUNRISE AND SUNSET
APRIL 18 2025.........SUNRISE 6:19 AM MDT SUNSET 7:52 PM MDT
APRIL 19 2025.........SUNRISE 6:17 AM MDT SUNSET 7:53 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$