627
CDUS45 KRIW 090045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT THU OCT 08 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR OCTOBER 8 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 82R 3:40 PM 81 2020 63 19 74
MINIMUM 41 4:55 AM 12 1970 34 7 32
2000
AVERAGE 62 48 14 53
PRECIPITATION (IN)
TODAY 0.00 0.49 2017 0.04 -0.04 0.00
MONTH TO DATE 0.00 0.36 -0.36 0.66
SINCE SEP 1 0.76 1.31 -0.55 3.21
SINCE JAN 1 7.10 10.14 -3.04 10.52
SNOWFALL (IN)
TODAY MM 0.2 MM 0.0
MONTH TO DATE 0.0 1.5 -1.5 0.0
SINCE SEP 1 0.0 3.0 -3.0 0.0
SINCE JUL 1 0.0 3.0 -3.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 3 17 -14 12
MONTH TO DATE 42 120 -78 108
SINCE SEP 1 150 334 -184 221
SINCE JUL 1 155 379 -224 231
COOLING
TODAY 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 20 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 10.9
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 51
LOWEST 8
AVERAGE 30
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 83 2003
MINIMUM TEMPERATURE (F) 33 12 2009
SUNRISE AND SUNSET
OCTOBER 8 2026.......SUNRISE 7:11 AM MDT SUNSET 6:35 PM MDT
OCTOBER 9 2026.......SUNRISE 7:12 AM MDT SUNSET 6:33 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page