011
CXUS55 KRIW 291800
CLABPI

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1034 AM MST THU JAN 29 2026

...PRELIMINARY ANNUAL CLIMATE SUMMARY FOR BIG PINEY FOR 2025...

...2ND WARMEST YEAR AT 40.2F. (3.7 DEGREES ABOVE NORMAL) (1998
WARMEST AT 41.1F)
...10TH WARMEST SUMMER AT 60.9 DEGREES (TIED 2015).
...7TH WETTEST YEAR WITH 8.58 INCHES. (112% OF NORMAL)

...HOT/COLD MONTHS: 7TH COLDEST JANUARY, 3RD WARMEST FEBRUARY, 9TH
WARMEST MARCH, 8TH WARMEST MAY AND JUNE, 3RD WARMEST SEPTEMBER, 6TH
WARMEST OCTOBER, 1ST WARMER NOVEMBER, AND 1ST WARMEST DECEMBER.

...WET/DRY MONTHS: 7TH DRIEST JANUARY, 7TH WETTEST FEBRUARY, 2ND
WETTEST MARCH, 5TH WETTEST APRIL, 9TH DRIEST MAY, 4TH WETTEST JULY,
8TH WETTEST AUGUST, 3RD WETTEST OCTOBER, 1ST WETTEST NOVEMBER, 1ST
WETTEST DECEMBER.

...DAILY HIGH TEMPS: FEB 4TH 50, FEB 24TH 46F, FEB 28TH 53F, APR
11TH 74F, APR 15TH 66F (T), MAY 10TH 76F (T), JUN 1ST 83F, JUN 19TH
88F, AUG 20TH 92F, NOV 2ND 63F, DEC 13TH 45F, DEC 14TH 47F, DEC 15TH
47F, AND DEC 16TH 49F.

...DAILY LOW TEMPS: JAN 19TH -18F, JAN 20TH -16F, AND MAY 15TH 24F
(T),

...DAILY PRECIP: FEB 5TH 0.02 (T), MAR 3RD 0.04, MAR 6TH 0.79,
MAR 7TH, 0.02 (T), MAR 13TH 0.08, APR 17TH 0.50, MAY 18TH 0.35,
JUL 3RD 0.16, JUL 4TH 0.45. AUG 27TH 0.97, OCT 14TH 0.13, OCT
26TH 0.09; NOV 16TH 0.28, NOV 17TH 0.26, DEC 17TH 0.19, AND DEC
26TH 0.04.

...PEAK WIND: JULY 15TH 300/62 MPH. DECEMBER 17TH 280/63 MPH.


...THE BIG PINEY  WY CLIMATE SUMMARY FOR THE YEAR OF 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1976 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             99   08/06/2003
 LOW             -50   12/23/1983
HIGHEST           92                 MM
LOWEST           -27                 MM
AVG. MAXIMUM    56.3                        3.2
AVG. MINIMUM    24.2                        4.4
MEAN            40.3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.53   2023
 MINIMUM        2.21   2020
TOTALS          8.58               7.66    0.92


DEGREE DAYS
HEATING TOTAL   8873
COOLING TOTAL     41
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    47/290    DATE  12/17
HIGHEST GUST SPEED/DIRECTION    63/280    DATE  12/17


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             31     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                      15
LIGHT RAIN               87     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                7     SNOW                      12
LIGHT SNOW               58     SLEET                      0
FOG                      83     FOG W/VIS <= 1/4 MILE     15
HAZE                     25

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.