740
CXUS55 KRIW 011632
CLMBPI

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1032 AM MDT MON JUN 01 2026

...................................

...THE BIG PINEY  WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...

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             87   05/11/2007
 LOW               0   05/14/1984
HIGHEST           83   05/13
LOWEST            18   05/02
AVG. MAXIMUM    65.4               61.8     3.6
AVG. MINIMUM    28.6               28.9    -0.3
MEAN            47.0               45.3     1.7
DAYS MAX >= 90     0
DAYS MAX <= 32     0
DAYS MIN <= 32    24
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.99   2016
 MINIMUM        0.08   2020
TOTALS          0.56               1.22   -0.66     0.66
DAILY AVG.      0.02               0.04   -0.02
DAYS >= .01        7
DAYS >= .10        2
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.24   05/17 TO 05/18
 STORM TOTAL    0.17

DEGREE DAYS
HEATING TOTAL    549                609     -60
 SINCE 7/1      7745              10080   -2335
COOLING TOTAL      0                  0       0
 SINCE 1/1         0                  0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.9
RESULTANT WIND SPEED/DIRECTION   3/310
HIGHEST WIND SPEED/DIRECTION    45/260    DATE  05/13
HIGHEST GUST SPEED/DIRECTION    62/250    DATE  05/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           22
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     49

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW                4     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      2
HAZE                      1

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

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