612
CXUS55 KRIW 011658
CLMGEY

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1041 AM MDT TUE JUL 01 2025

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR GREYBULL FOR THE MONTH OF
JUNE 2025...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF JUNE 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

...GREYBULL IN JUNE WAS WARMER AND DRIER THAN NORMAL....

THE AVERAGE TEMPERATURE FOR GREYBULL IN JUNE WAS 67.8 DEGREES WHICH
IS 0.8 DEGREES ABOVE NORMAL. THE WARMEST TEMPERATURE FOR THE MONTH
WAS 95 DEGREES ON THE 1ST, 15TH AND 27TH. THE 1ST TIED THE 2020
RECORD. THE COLDEST TEMPERATURE WAS 41 DEGREES ON THE 23RD AND BROKE
THE 2019 RECORD OF 44 DEGREES. THE 24TH LOW OF 47 TIED 2003.

PRECIPITATION FOR THE MONTH WAS 0.46 INCHES...WHICH IS 43 PERCENT OF
NORMAL. THE WETTEST 24-HOUR PERIOD OCCURRED ON THE 21ST-22ND WITH
0.22 INCHES. NO PRECIPITATION RECORDS WERE BROKEN. THE HIGHEST WIND
GUST WAS 61 MPH FROM THE NORTHWEST ON THE 19TH.

...THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF JUNE 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            108   06/15/2021
 LOW              32   06/07/2009
HIGHEST           95   06/01
                       06/15
                       06/27
LOWEST            41   06/23
AVG. MAXIMUM    83.3               81.4     1.9
AVG. MINIMUM    52.3               52.6    -0.3
MEAN            67.8               67.0     0.8
DAYS MAX >= 90     9
DAYS MAX <= 32     0
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.72   2023
 MINIMUM        0.02   2021
TOTALS          0.46               1.08   -0.62     0.40
DAILY AVG.      0.02               0.04   -0.02
DAYS >= .01        7
DAYS >= .10        1
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.22   06/21 TO 06/22
 STORM TOTAL    0.19


DEGREE DAYS
HEATING TOTAL     46                 62     -16
 SINCE 7/1      7015               7548    -533
COOLING TOTAL    132                122      10
 SINCE 1/1       153                146       7
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.8
RESULTANT WIND SPEED/DIRECTION   4/320
HIGHEST WIND SPEED/DIRECTION    45/280    DATE  06/19
HIGHEST GUST SPEED/DIRECTION    61/290    DATE  06/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.13
NUMBER OF DAYS FAIR           25
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     50

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       2     FOG W/VIS <= 1/4 MILE      0
HAZE                      2

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

LOOKING AHEAD TO JULY 2025. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 88 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 56 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 92
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 59 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 0.16 INCHES.

$$