Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 011823
CLMGEY

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1223 PM MDT SAT APR 01 2023

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

...OFFICIAL CLIMATE DATA FOR THE MONTH OF MARCH 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 WETTER AND COLDER THAN NORMAL IN MARCH...

THE AVERAGE TEMPERATURE FOR GREYBULL IN MARCH WAS 29.3 DEGREES WHICH
WAS 8.6 DEGREES BELOW NORMAL. IT WAS THE 2ND COLDEST MARCH SINCE
RECORDS STARTED IN 1998. THE WARMEST READING FOR THE MONTH WAS 57
DEGREES ON THE 14TH. THE COLDEST TEMPERATURE WAS 2 DEGREES ON THE
7TH. THIS BROKE THE 2003 RECORD OF 3 DEGREES.

PRECIPITATION FOR THE MONTH WAS 0.53 INCHES...WHICH IS 241 PERCENT
OF NORMAL AND THE 3RD WETTEST MARCH ON RECORD. THE WETTEST 24-HOUR
PERIOD OCCURRED ON THE 21ST WITH 0.24 INCHES. THIS BROKE THE 2005
RECORD OF 0.03 INCHES. THE 30TH HAD 0.08 INCHES WHICH BROKE THE 2013
RECORD OF 0.06. THE 31ST HAD 0.03 AND TIED 2011. THE HIGHEST WIND
GUST WAS 52 MPH FROM THE NORTHWEST ON THE 15TH.

...THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF MARCH 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             81   03/31/2012
 LOW             -24   03/04/2019
HIGHEST           57   03/14
LOWEST             2   03/07
AVG. MAXIMUM    40.5               51.2   -10.7
AVG. MINIMUM    18.1               24.6    -6.5
MEAN            29.3               37.9    -8.6
DAYS MAX >= 90     0
DAYS MAX <= 32     5
DAYS MIN <= 32    30
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        0.49   2003
 MINIMUM        0.00   2009
TOTALS          0.53               0.22    0.31     0.23
DAILY AVG.      0.02               0.01    0.01
DAYS >= .01        5
DAYS >= .10        2
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.24   03/21 TO 03/21
 STORM TOTAL    0.24

DEGREE DAYS
HEATING TOTAL   1063                840     223
 SINCE 7/1      7294               6662     632
COOLING TOTAL      0                  0       0
 SINCE 1/1         0                  0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.0
RESULTANT WIND SPEED/DIRECTION   1/310
HIGHEST WIND SPEED/DIRECTION    37/340    DATE  03/15
HIGHEST GUST SPEED/DIRECTION    52/350    DATE  03/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.36
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                1     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       3
LIGHT SNOW                8     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      2
HAZE                      3

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

LOOKING AHEAD TO APRIL 2023...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 57 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 30 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 64
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 37 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 0.53 INCHES.

$$


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