440
CXUS55 KRIW 041913
CLMGEY

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
103 PM MDT TUE JUN 04 2024

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR GREYBULL FOR THE MONTH OF
MAY 2024...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF MAY 2024 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 WAS COLDER AND WETTER THAN NORMAL IN MAY....

THE AVERAGE TEMPERATURE FOR GREYBULL IN MAY WAS 54 DEGREES WHICH WAS
3 DEGREES BELOW NORMAL. IT WAS THE 4TH COLDEST MAY SINCE RECORDS
STARTED IN 1998. THE WARMEST READING FOR THE MONTH WAS 84 DEGREES ON
THE 28TH. THE COLDEST TEMPERATURE WAS 27 DEGREES ON THE 4TH AND
BROKE THE 2001 RECORD OF 31. THE 18TH LOW OF 37 BROKE THE 2000
RECORD OF 38.

PRECIPITATION FOR THE MONTH WAS 1.91 INCHES...WHICH IS 144 PERCENT
OF NORMAL. THE WETTEST 24-HOUR PERIOD OCCURRED ON THE 5TH-6TH WITH
0.58 INCHES. THE 8TH HAD 0.38 INCHES AND BROKE THE 2006 RECORD OF
0.33 INCHES. THE 14TH HAD 0.5 INCHES AND BROKE THE 2015 RECORD OF
0.12. THE HIGHEST WIND GUST WAS 62 MPH FROM THE NORTHWEST ON THE
17TH.

...THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             98   05/29/2003
 LOW              20   05/09/2002
HIGHEST           84   05/28
LOWEST            27   05/04
AVG. MAXIMUM    67.5               70.4    -2.9
AVG. MINIMUM    40.4               43.6    -3.2
MEAN            54.0               57.0    -3.0
DAYS MAX >= 90     0
DAYS MAX <= 32     0
DAYS MIN <= 32     4
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.32   2010
 MINIMUM        0.19   2001
TOTALS          1.91               1.33    0.58     0.53
DAILY AVG.      0.06               0.04    0.02
DAYS >= .01       10
DAYS >= .10        5
DAYS >= .50        2
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.58   05/05 TO 05/06
 STORM TOTAL    0.57


DEGREE DAYS
HEATING TOTAL    334                271      63
 SINCE 7/1      6885               7486    -601
COOLING TOTAL      0                 23     -23
 SINCE 1/1         0                 24     -24
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.1
RESULTANT WIND SPEED/DIRECTION   4/320
HIGHEST WIND SPEED/DIRECTION    44/330    DATE  05/17
HIGHEST GUST SPEED/DIRECTION    62/300    DATE  05/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.33
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     54

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                       6     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 2024. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 76 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 49 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 87
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 56 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 1.08 INCHES.

$$