889
CDUS45 KRIW 100727
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT SAT OCT 10 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 9 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 82 3:08 PM 83 2003 63 19 78
MINIMUM 39 4:31 AM 12 2009 33 6 41
AVERAGE 61 48 13
PRECIPITATION (IN)
YESTERDAY 0.00 0.51 2005 0.04 -0.04 0.00
MONTH TO DATE 0.00 0.40 -0.40 0.66
SINCE SEP 1 0.76 1.35 -0.59 3.21
SINCE JAN 1 7.10 10.18 -3.08 10.52
SNOWFALL (IN)
YESTERDAY 0.0 5.2 2009 0.2 MM 0.0
MONTH TO DATE 0.0 1.7 -1.7 0.0
SINCE SEP 1 0.0 3.2 -3.2 0.0
SINCE JUL 1 0.0 3.2 -3.2 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 4 17 -13 5
MONTH TO DATE 46 137 -91 113
SINCE SEP 1 154 351 -197 226
SINCE JUL 1 159 396 -237 236
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 45 30 15 17
SINCE JAN 1 638 442 196 467
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 15.0
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 47 5:00 AM
LOWEST 14 3:00 PM
AVERAGE 31
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 85 2015
MINIMUM TEMPERATURE (F) 33 11 2009
SUNRISE AND SUNSET
OCTOBER 10 2026.......SUNRISE 7:14 AM MDT SUNSET 6:31 PM MDT
OCTOBER 11 2026.......SUNRISE 7:15 AM MDT SUNSET 6:30 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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