320
CXUS55 KRIW 082200
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            464   03/11/2020
 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.

$$