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000
CXUS55 KRIW 012358
CLMGEY

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
533 PM MDT MON MAY 01 2023

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR GREYBULL FOR THE MONTH OF
APRIL 2023...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF APRIL 2023 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 MUCH DRIER AND COLDER THAN NORMAL IN APRIL...

THE AVERAGE TEMPERATURE FOR GREYBULL IN APRIL WAS 45.7 DEGREES WHICH
WAS 1 DEGREE BELOW NORMAL. THE WARMEST READING FOR THE MONTH WAS 77
DEGREES ON THE 30TH. THE COLDEST TEMPERATURE WAS 27 DEGREES ON THE
21ST AND 22ND. THE 28TH LOW OF 28 DEGREES TIED 2005.

PRECIPITATION FOR THE MONTH WAS 0.04 INCHES...WHICH IS JUST 8
PERCENT OF NORMAL AND THE 1ST DRIEST APRIL ON RECORD. THE WETTEST 24-
HOUR PERIOD OCCURRED ON THE 27TH WITH 0.03 INCHES. NO PRECIPITATION
RECORDS WERE BROKEN. THE HIGHEST WIND GUST WAS 64 MPH FROM THE
NORTHWEST ON THE 27TH.

...THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023

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           77   04/30
LOWEST            21   04/21
                       04/22
AVG. MAXIMUM    60.7               60.0     0.7
AVG. MINIMUM    30.6               33.4    -2.8
MEAN            45.7               46.7    -1.0
DAYS MAX >= 90     0
DAYS MAX <= 32     0
DAYS MIN <= 32    13
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        1.55   2022
 MINIMUM        0.04   2023
TOTALS          0.04R              0.53   -0.49     1.55
DAILY AVG.      0.00               0.02   -0.02
DAYS >= .01        2
DAYS >= .10        0
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.03   04/27 TO
 STORM TOTAL    0.03

DEGREE DAYS
HEATING TOTAL    294                550    -256
 SINCE 7/1      7588               7213     375
COOLING TOTAL      0                  1      -1
 SINCE 1/1         0                  1      -1
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.3
RESULTANT WIND SPEED/DIRECTION   3/320
HIGHEST WIND SPEED/DIRECTION    48/340    DATE  04/27
HIGHEST GUST SPEED/DIRECTION    64/340    DATE  04/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.26
NUMBER OF DAYS FAIR           22
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     46

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                5     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                       1     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

LOOKING AHEAD TO MAY 2023...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.

$$