Climatological Report (Daily)
Issued by NWS
Issued by NWS
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798
CDUS45 KRIW 160729
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT THU OCT 16 2025
...................................
...THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 15 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 2:14 PM 80 1958 60 3 74
1991
MINIMUM 34 2:00 AM 17 2018 31 3 32
AVERAGE 49 45 4
PRECIPITATION (IN)
YESTERDAY 0.28 1.28 1994 0.04 0.24 0.00
MONTH TO DATE 0.97 0.66 0.31 0.00
SINCE SEP 1 3.52 1.61 1.91 0.24
SINCE JAN 1 10.83 10.44 0.39 7.22
SNOWFALL (IN)
YESTERDAY 0.0 2.0 1999 0.2 -0.2 0.0
MONTH TO DATE 0.0 2.9 -2.9 0.0
SINCE SEP 1 0.0 4.4 -4.4 0.0
SINCE JUL 1 0.0 4.4 -4.4 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 16 20 -4 12
MONTH TO DATE 201 249 -48 143
SINCE SEP 1 314 463 -149 245
SINCE JUL 1 324 508 -184 283
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 17 30 -13 63
SINCE JAN 1 467 442 25 538
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 8.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 6:00 AM
LOWEST 62 1:00 PM
AVERAGE 81
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 83 1991
MINIMUM TEMPERATURE (F) 31 18 1992
SUNRISE AND SUNSET
OCTOBER 16 2025.......SUNRISE 7:21 AM MDT SUNSET 6:21 PM MDT
OCTOBER 17 2025.......SUNRISE 7:22 AM MDT SUNSET 6:19 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$