Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 010949
CLMWRL

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
201 AM MDT MON JUN 1 2015

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR WORLAND MUNICIPAL AIRPORT
FOR THE MONTH OF MAY 2015...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF MAY 2015 WILL BE
AVAILABLE APPROXIMATELY IN JUNE 2015 FROM THE NATIONAL CLIMATIC
DATA CENTER (WWW.NCDC.NOAA.GOV). UNOFFICIAL ASOS DAILY SUMMARIES ARE
ONLINE AT WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW...

...WORLAND WAS COOLER AND MUCH WETTER THAN NORMAL IN MAY...

THE AVERAGE TEMPERATURE FOR WORLAND IN MAY WAS 53.9 DEGREES... WHICH
WAS 1.5 DEGREES BELOW NORMAL. THIS MAKES IT THE 9TH COLDEST MAY ON
RECORD...WITH THE COLDEST COMING IN 2010...WITH AN AVERAGE
TEMPERATURE OF 49.9 DEGREES. THE WARMEST DAILY HIGH WAS 81 DEGREES
ON THE 31ST. THE COLDEST READING FOR THE MONTH WAS 24 DEGREES ON THE
11TH. A DAILY RECORD COOLEST HIGH TEMPERATURE OF 53 DEGREES OCCURRED
ON THE 19TH. AND A DAILY RECORD LOW TEMPERATURE OF 24 DEGREES
OCCURRED ON THE 11TH.

TOTAL PRECIPITATION FOR THE MONTH WAS 3.06 INCHES. THIS AMOUNT WAS
215 PERCENT OF NORMAL. THIS MAKES IT THE 6TH WETTEST MAY ON
RECORD...WITH THE WETTEST OCCURRING IN 2011...WHEN 4.53 INCHES OF
PRECIPITATION FELL. THE WETTEST 24 HOUR PERIOD OF THE MONTH WAS FROM
THE 14TH TO THE 15TH WHEN 1.05 INCHES OF PRECIPITATION FELL. A NEW
DAILY RECORD PRECIPITATION OF 1.04 INCHES OCCURRED ON THE 15TH. THE
HIGHEST WIND GUST WAS 39 MPH ON THE 30TH.

...THE WORLAND WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1947 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              98   05/27/1969
 LOW               20   05/09/2002
HIGHEST            81   05/31
LOWEST             24   05/11
AVG. MAXIMUM     65.3              69.9    -4.6
AVG. MINIMUM     42.5              40.9     1.6
MEAN             53.9              55.4    -1.5
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32      1
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.53   2011
 MINIMUM         0.06   1960
TOTALS           3.06              1.42    1.64
DAILY AVG.       0.10
DAYS >= .01        19
DAYS >= .10        10
DAYS >= .50         1
DAYS >= 1.00        1
GREATEST
 24 HR. TOTAL    1.05   05/14 TO 05/15
                        05/15 TO 05/15
                        05/15 TO 05/16

DEGREE_DAYS
HEATING TOTAL     341               309      32
 SINCE 7/1       7515              7776    -261
COOLING TOTAL       2                11      -9
 SINCE 1/1          2                12     -10
.................................................

WIND (MPH)
AVERAGE WIND SPEED              7.2
RESULTANT WIND SPEED/DIRECTION   1/354
HIGHEST WIND SPEED/DIRECTION    29/330    DATE  05/30
HIGHEST GUST SPEED/DIRECTION    39/330    DATE  05/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       3
LIGHT RAIN               21     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      2
HAZE                      4

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

LOOKING AHEAD TO JUNE 2015...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 76 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 46 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 89
DEGREES...AND THE AVERAGE LOW IS 55 DEGREES. THE AVERAGE MONTHLY
PRECIPITATION IS 1.15 INCHES.

$$







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