563
CDUS45 KRIW 220728
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT WED OCT 22 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 21 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 3:00 PM 79 1992 57 6 71
MINIMUM 29 10:51 PM 12 1949 29 0 42
AVERAGE 46 43 3
PRECIPITATION (IN)
YESTERDAY 0.00 0.46 2008 0.04 -0.04 0.00
MONTH TO DATE 1.49 0.89 0.60 0.45
SINCE SEP 1 4.04 1.84 2.20 0.69
SINCE JAN 1 11.35 10.67 0.68 7.67
SNOWFALL (IN)
YESTERDAY 0.0 2.0 2007 0.2 -0.2 0.0
MONTH TO DATE 0.3 4.4 -4.1 T
SINCE SEP 1 0.3 5.9 -5.6 T
SINCE JUL 1 0.3 5.9 -5.6 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 19 22 -3 8
MONTH TO DATE 320 375 -55 238
SINCE SEP 1 433 589 -156 340
SINCE JUL 1 443 634 -191 378
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 26 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 13.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 10:00 PM
LOWEST 19 3:00 PM
AVERAGE 51
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 80 2003
MINIMUM TEMPERATURE (F) 29 9 2020
SUNRISE AND SUNSET
OCTOBER 22 2025.......SUNRISE 7:28 AM MDT SUNSET 6:12 PM MDT
OCTOBER 23 2025.......SUNRISE 7:29 AM MDT SUNSET 6:10 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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