Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 012107 RRA
CLMWRL

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
255 PM MDT TUE JUN 01 2021

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR WORLAND MUNICIPAL AIRPORT
FOR THE MONTH OF MAY 2021...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF MAY 2021 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

...WORLAND WAS COOLER AND DRIER THAN NORMAL IN MAY...

AVERAGE TEMPERATURE FOR WORLAND IN MAY WAS 53.8 DEGREES WHICH WAS
1.0 DEGREE BELOW NORMAL. THE WARMEST READING OF THE MONTH WAS 86
DEGREES ON THE 7TH. THE COLDEST READING OF THE MONTH WAS 23 DEGREES
ON THE 9TH. THERE WERE NO TEMPERATURE RECORDS BROKEN THIS MONTH.

TOTAL PRECIPITATION FOR MAY WAS 1.17 INCHES...WHICH WAS 70 PERCENT
OF NORMAL. THE WETTEST 24-HOUR PERIOD DURING THE MONTH WAS ON THE
26TH WHEN 0.51 INCHES FELL. THERE WERE NO PRECIPITATION RECORDS
BROKEN THIS MONTH. THE HIGHEST WIND GUST WAS 51 MPH FROM THE WEST ON
THE 23RD.

...THE WORLAND WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2021...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1947 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             98   05/27/1969
 LOW              20   05/09/2002
HIGHEST           86   05/07
LOWEST            23   05/09
AVG. MAXIMUM    68.1               69.6    -1.5
AVG. MINIMUM    39.5               40.0    -0.5
MEAN            53.8               54.8    -1.0
DAYS MAX >= 90     0
DAYS MAX <= 32     0
DAYS MIN <= 32     4
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        4.96   2019
 MINIMUM        0.06   1960
TOTALS          1.17               1.66   -0.49     0.48
DAILY AVG.      0.04               0.05   -0.01
DAYS >= .01       12
DAYS >= .10        3
DAYS >= .50        1
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.51   05/26 TO 05/26
 STORM TOTAL    0.51

SNOWFALL (INCHES)
TOTALS            MM                 MM      MM
SINCE 7/1         MM                 MM      MM
SNOWDEPTH AVG.    MM
DAYS >= 1.0       MM

DEGREE DAYS
HEATING TOTAL    338                325      13
 SINCE 7/1      7623               7853    -230
COOLING TOTAL      0                  9      -9
 SINCE 1/1         0                  9      -9
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.1
RESULTANT WIND SPEED/DIRECTION   1/310
HIGHEST WIND SPEED/DIRECTION    37/290    DATE  05/19
                                37/230          05/23
HIGHEST GUST SPEED/DIRECTION    51/290    DATE  05/19
                                51/190          05/23

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.34
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     56

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       4     FOG W/VIS <= 1/4 MILE      0
HAZE                      3

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

LOOKING AHEAD TO JUNE 2021...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 76 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 45 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 86
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 51 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 0.97 INCHES.

$$


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