409
CXUS55 KRIW 291751
CLALND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1034 AM MST THU JAN 29 2026
..PRELIMINARY ANNUAL CLIMATE SUMMARY FOR LANDER FOR 2025
...TIED WITH 2024 FOR 2ND WARMEST YEAR WITH 47.8 DEGREES. (2.7
DEGREES ABOVE NORMAL) (2012 HAD 49 DEGREES)
...17TH WARMEST SUMMER AT 69.6 DEGREES (TIED 1984, 1940)
...64TH WETTEST YEAR WITH 13.41 INCHES (101.4% OF NORMAL)
...45TH LEAST SNOW YEAR WITH 70.5 INCHES (80.5% OF NORMAL)
...63RD LEAST SNOWY SEASON WITH 78.5 INCHES (72ND MOST) (2024-2025)
...HOT AND COLD MONTHS: 3RD WARMEST NOVEMBER AND 1ST WARMEST
DECEMBER.
...WET AND DRY MONTHS: 7TH WETTEST MAR.
...HOT DAYS: FEB 28TH 61F (T 1974,1992), MAR 27TH 75F, APR 11TH 80F
(NEW RECORD FOR EARLIEST 80-DEGREE DAY), APR 12TH 76F, AUG 19TH 97F,
AUG 20TH 99F, NOV 2ND 71F, NOV 4TH 69 (T 1945, 1980, 2020); DEC 12TH
57F (T 1924,1929,1995), DEC 15TH 62F, DEC 22ND 58 (T 1917), DEC 23RD
60F, AND DEC 24TH 65F.
...COLD DAYS: NO RECORD LOWS WERE BROKEN IN 2025
...WET DAYS: JAN 17TH 0.40”, MAR 6TH 1.24”, AND APR 17TH 1.09”.
...SNOWY DAYS: JAN 17TH 6.7”, AND MAR 6TH 12.3”.
...PEAK WIND: MARCH 16TH 240/75 MPH. DECEMBER 17TH 180/92 MPH.
..THE LANDER WY CLIMATE SUMMARY FOR THE YEAR OF 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1891 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 102 07/27/1935
LOW -48 02/09/1933
HIGHEST 99 MM
LOWEST -18 MM
AVG. MAXIMUM 61.3 2.8
AVG. MINIMUM 34.4 2.8
MEAN 47.8
PRECIPITATION (INCHES)
RECORD
MAXIMUM 21.89 1957
MINIMUM 5.30 2001
TOTALS 13.41 13.23 0.18
SNOWFALL (INCHES)
RECORDS
TOTAL 199.9 1973
TOTALS 70.5 87.6 -17.1
DEGREE DAYS
HEATING TOTAL 6729
COOLING TOTAL 569
..........................................................
WIND (MPH)
HIGHEST WIND SPEED/DIRECTION 59/230 DATE 12/17
HIGHEST GUST SPEED/DIRECTION 92/180 DATE 12/17
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 27 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 14
LIGHT RAIN 88 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 5 SNOW 13
LIGHT SNOW 40 SLEET 0
FOG 62 FOG W/VIS <= 1/4 MILE 13
HAZE 27
- 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