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.

$$