Climatological Report (Monthly)
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CXUS55 KRIW 040849
CLMGEY

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
250 AM MDT SAT APR 4 2020

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE SOUTH BIG HORN COUNTY
AIRPORT NEAR GREYBULL FOR THE MONTH OF MARCH 2020...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF MARCH 2020 WILL BE
AVAILABLE APPROXIMATELY IN 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

...MARCH WAS WARMER THAN NORMAL FOR GREYBULL WITH RECORD BREAKING
DRYNESS...

THE AVERAGE TEMPERATURE FOR GREYBULL FOR THE MONTH OF MARCH WAS 38
DEGREES...WHICH WAS 1.1 DEGREES ABOVE NORMAL. THE WARMEST READING OF
THE MONTH WAS 64 DEGREES ON THE 7TH...WHICH BROKE THE PREVIOUS
RECORD OF 61 DEGREES...SET IN 2007. THE COLDEST READING WAS 14
DEGREES ON THE 2ND. NO OTHER TEMPERATURE RECORDS WERE BROKEN.

TOTAL PRECIPITATION FOR THE MONTH WAS JUST A TRACE. THIS IS WELL
BELOW THE AVERAGE OF 0.40 INCHES FOR MARCH. THIS TIED WITH 2009 FOR
THE DRIEST MARCH ON RECORD...SINCE RECORDS BEGAN IN 1998 . THERE
WERE 6 DAYS IN THE MONTH WITH JUST A TRACE OF PRECIPITATION
RECORDED...AND NO DAILY RECORDS WERE BROKEN. THE HIGHEST WIND GUST
WAS 48 MPH ON THE 11TH.

...THE GREYBULL WY CLIMATE SUMMARY FOR THE MONTH OF MARCH 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              81   03/31/2012
 LOW              -24   03/04/2019
HIGHEST            64   03/07
LOWEST             14   03/02
AVG. MAXIMUM     50.5              50.7    -0.2
AVG. MINIMUM     25.5              23.1     2.4
MEAN             38.0              36.9     1.1
DAYS MAX >= 90      0
DAYS MAX <= 32      1
DAYS MIN <= 32     29
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         0.49   2003
 MINIMUM         0.00   2009
TOTALS              T              0.40   -0.40
DAILY AVG.          T              0.01   -0.01
DAYS >= .01         0
DAYS >= .10         0
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL       T   03/31 TO 03/31

DEGREE_DAYS
HEATING TOTAL     831               871     -40
 SINCE 7/1       6565              6842    -277
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              7.3
HIGHEST WIND SPEED/DIRECTION    38/330    DATE  03/11
HIGHEST GUST SPEED/DIRECTION    48/320    DATE  03/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     57

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP                0
HEAVY RAIN                0     RAIN                        0
LIGHT RAIN                2     FREEZING RAIN               0
LT FREEZING RAIN          0     HAIL                        0
HEAVY SNOW                0     SNOW                        0
LIGHT SNOW                2     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 APRIL 2020...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 57 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 28 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 65
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 37 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 0.71 INCHES.

$$


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