583
CXUS55 KRIW 031634
CLMGEY

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1012 AM MDT FRI MAY 03 2024

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

...OFFICIAL CLIMATE DATA FOR THE MONTH OF APRIL 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 WARMER AND WETTER THAN NORMAL IN APRIL....

THE AVERAGE TEMPERATURE FOR GREYBULL IN APRIL WAS 48.9 DEGREES WHICH
WAS 2.2 DEGREES ABOVE NORMAL. THE WARMEST READING FOR THE MONTH WAS
80 DEGREES ON THE 13TH AND TIED THE 2017 RECORD. THE COLDEST
TEMPERATURE WAS 25 DEGREES ON THE 18TH.

PRECIPITATION FOR THE MONTH WAS 0.83 INCHES...WHICH IS 157 PERCENT
OF NORMAL. THE WETTEST 24-HOUR PERIOD OCCURRED ON THE 6TH WITH 0.61
INCHES...AND BROKE THE 2021 RECORD OF 0.57 INCHES. THE HIGHEST WIND
GUST WAS 47 MPH FROM THE NORTHWEST ON THE 17TH.

...THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF APRIL 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             88   04/23/2012
                       04/29/2007
 LOW               5   04/21/2008
HIGHEST           80   04/13
LOWEST            25   04/18
AVG. MAXIMUM    62.4               60.0     2.4
AVG. MINIMUM    35.3               33.4     1.9
MEAN            48.8               46.7     2.1
DAYS MAX >= 90     0
DAYS MAX <= 32     0
DAYS MIN <= 32    12
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        1.55   2022
 MINIMUM        0.04   2023
TOTALS          0.83               0.53    0.30     0.04
DAILY AVG.      0.03               0.02    0.01
DAYS >= .01        5
DAYS >= .10        2
DAYS >= .50        1
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.61   04/06 TO 04/06
 STORM TOTAL    0.61


DEGREE DAYS
HEATING TOTAL    477                550     -73
 SINCE 7/1      6551               7213    -662
COOLING TOTAL      0                  1      -1
 SINCE 1/1         0                  1      -1
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.1
RESULTANT WIND SPEED/DIRECTION   4/320
HIGHEST WIND SPEED/DIRECTION    33/180    DATE  04/05
                                33/300          04/06
                                33/330          04/17
HIGHEST GUST SPEED/DIRECTION    47/320    DATE  04/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.32
NUMBER OF DAYS FAIR           17
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     51

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                3     SLEET                      0
FOG                       2     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 MAY 2024. THE AVERAGE HIGH TEMPERATURE ON THE FIRST
OF THE MONTH IS 65 DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 38
DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 76 DEGREES...
AND THE AVERAGE LOW TEMPERATURE IS 49 DEGREES. THE AVERAGE MONTHLY
PRECIPITATION IS 1.33 INCHES.

$$