031
CXUS55 KRIW 161837 CCA
CLACPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
208 PM MST WED JAN 08 2025
..PRELIMINARY ANNUAL CLIMATE SUMMARY FOR CASPER FOR 2024
ANNUAL: PERIOD OF RECORD IS 85 YEARS (1939 - PRESENT)
...6TH WARMEST YEAR AT 47.6F
...15TH DRIEST YEAR WITH 9.28 INCHES
...6TH LEAST SNOWIEST YEAR WITH 45.9 INCHES (ESTIMATED DUE TO
OCT/NOV HAD NO OFFICIAL OBSERVER)
... SNOWIEST SEASON: 3RD LEAST SNOWIEST (2023-24) WITH 42.8 INCHES
...LATEST 90 DEGREE DAY ON RECORD WITH 91 DEGREES ON SEPTEMBER 29TH
(PREVIOUS WAS THE 28TH IN 2010)
...MONTHLY TEMPERATURES: 5TH WARMEST SEPTEMBER AND 2ND WARMEST
DECEMBER
...MONTHLY PRECIPITATION: 7TH DRIEST DECEMBER (TIE WITH 1969)
...MONTHLY SNOWFALL: 4TH LEAST MARCH AND 3RD LEAST DECEMBER
..THE CASPER WY CLIMATE SUMMARY FOR THE YEAR OF 2024
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 104 07/29/2006
07/16/2005
07/12/1954
LOW -42 12/22/2022
HIGHEST 100 MM
LOWEST -37 MM
AVG. MAXIMUM 62.8 3.1
AVG. MINIMUM 32.4 0.9
MEAN 47.6
PRECIPITATION (INCHES)
RECORD
MAXIMUM 20.48 1994
MINIMUM 5.79 2020
TOTALS 9.28 12.22 -2.94
SNOWFALL (INCHES)
RECORDS
TOTAL 137.6 1982
TOTALS 45.9 71.8 -25.9
DEGREE DAYS
HEATING TOTAL 6792
COOLING TOTAL 538
..........................................................
WIND (MPH)
HIGHEST WIND SPEED/DIRECTION 47/220 DATE 03/02
HIGHEST GUST SPEED/DIRECTION 62/240 DATE 02/26
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 30 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 13
LIGHT RAIN 97 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 4 SNOW 10
LIGHT SNOW 53 SLEET 0
FOG 73 FOG W/VIS <= 1/4 MILE 7
HAZE 41
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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