342
CDUS45 KRIW 190045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SUN OCT 18 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 18 2026
VALID TODAY AS OF 0600 PM LOCAL TIME.
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)
TODAY
MAXIMUM 70 1:05 PM 78 2003 59 11 48
MINIMUM 45 6:28 AM 16 2006 30 15 30
AVERAGE 58 44 14 39
PRECIPITATION (IN)
TODAY 0.00 0.35 1971 0.04 -0.04 0.14
MONTH TO DATE 0.84 0.78 0.06 1.46
SINCE SEP 1 1.60 1.73 -0.13 4.01
SINCE JAN 1 7.94 10.56 -2.62 11.32
SNOWFALL (IN)
TODAY MM 0.3 MM 0.3
MONTH TO DATE 0.0 3.7 -3.7 0.3
SINCE SEP 1 0.0 5.2 -5.2 0.3
SINCE JUL 1 0.0 5.2 -5.2 0.3
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 7 21 -14 26
MONTH TO DATE 166 310 -144 265
SINCE SEP 1 274 524 -250 378
SINCE JUL 1 279 569 -290 388
COOLING
TODAY 0 0 0 0
MONTH TO DATE 2 0 2 0
SINCE SEP 1 47 30 17 17
SINCE JAN 1 640 442 198 467
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 12.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 45
LOWEST 20
AVERAGE 33
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 79 2003
MINIMUM TEMPERATURE (F) 30 17 1949
SUNRISE AND SUNSET
OCTOBER 18 2026.......SUNRISE 7:23 AM MDT SUNSET 6:18 PM MDT
OCTOBER 19 2026.......SUNRISE 7:24 AM MDT SUNSET 6:17 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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