952
CXUS55 KRIW 021717
CLMBPI

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1111 AM MDT MON JUN 02 2025

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR BIG PINEY FOR THE MONTH
OF MAY 2025...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF MAY 2025 WILL BE AVAILABLE
IN APPROXIMATELY 60 DAYS FROM THE NATIONAL CENTERS FOR ENVIRONMENTAL
INFORMATION (HTTP://WWW.NCDC.NOAA.GOV/CDO-WEB/DATASETS). UNOFFICIAL
ASOS DAILY SUMMARIES ARE AVAILABLE ON THE INTERNET AT
HTTP://WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW

...BIG PINEY WAS WARMER AND DRIER THAN NORMAL IN MAY...

THE AVERAGE TEMPERATURE FOR BIG PINEY IN MAY WAS 47.8 DEGREES WHICH
WAS 2.5 DEGREES ABOVE NORMAL. THE WARMEST READING FOR THE MONTH WAS
81 DEGREES ON THE 31ST. THE 10TH HIGH OF 76 DEGREES TIED THE 1994
RECORD. THE COLDEST TEMPERATURE WAS 19 DEGREES ON THE 16TH. THE LOW
ON THE 15TH OF 24 DEGREES TIED THE 1977 RECORD.

PRECIPITATION FOR THE MONTH WAS 0.66 INCHES...WHICH IS 54 PERCENT OF
NORMAL. THE WETTEST 24-HOUR PERIOD WAS ON THE 17TH-18TH WITH 0.42
INCHES. THE 18TH HAD 0.35 INCHES AND BROKE THE 2018 RECORD OF 0.32
INCHES. THE HIGHEST WIND GUST WAS 54 MPH OCCURRING ON THE 11TH FROM
THE WEST.

...THE BIG PINEY  WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1976 TO 2025

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           81   05/31
LOWEST            19   05/16
AVG. MAXIMUM    65.5               61.8     3.7
AVG. MINIMUM    30.1               28.9     1.2
MEAN            47.8               45.3     2.5
DAYS MAX >= 90     0
DAYS MAX <= 32     0
DAYS MIN <= 32    20
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.99   2016
 MINIMUM        0.08   2020
TOTALS          0.66               1.22   -0.56     0.70
DAILY AVG.      0.02               0.04   -0.02
DAYS >= .01        6
DAYS >= .10        2
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.42   05/17 TO 05/18
 STORM TOTAL    0.35

DEGREE DAYS
HEATING TOTAL    523                609     -86
 SINCE 7/1      9414              10080    -666
COOLING TOTAL      0                  0       0
 SINCE 1/1         0                  0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.1
RESULTANT WIND SPEED/DIRECTION   3/320
HIGHEST WIND SPEED/DIRECTION    39/280    DATE  05/11
                                39/280          05/13
HIGHEST GUST SPEED/DIRECTION    54/270    DATE  05/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.29
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     54

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                       4     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

LOOKING AHEAD TO JUNE 2025. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 67 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 34 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 78
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 39 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 1.01 INCHES.

$$