Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 012337
CLMBYG

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
537 PM MDT FRI MAY 1 2015

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR JOHNSON COUNTY AIRPORT
NEAR BUFFALO FOR THE MONTH OF APRIL 2015...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF APRIL 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..

...BUFFALO WAS WARMER AND MUCH DRIER THAN NORMAL IN APRIL...

THE AVERAGE TEMPERATURE FOR BUFFALO IN APRIL WAS 45.3 DEGREES...
WHICH WAS 2.1 DEGREES ABOVE NORMAL. THE WARMEST DAILY HIGH WAS 80
DEGREES ON THE 14TH...WHICH BROKE THE PREVIOUS RECORD OF 79 DEGREES
SET ON THAT DATE IN 2008. RECORDS FOR THE AIRPORT SITE ONLY DATE
BACK TO 1998. THE COLDEST READING WAS 18 DEGREES ON THE 3RD.

TOTAL PRECIPITATION FOR THE MONTH WAS 0.78 INCHES...WHICH WAS
60 PERCENT OF NORMAL. THE HIGHEST WIND GUST WAS 53 MPH FROM THE
NORTH ON THE 14TH.

...THE BUFFALO WY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              82   04/23/2012
 LOW                5   04/02/2002
HIGHEST            80   04/14
LOWEST             18   04/03
AVG. MAXIMUM     57.5              54.1     3.4
AVG. MINIMUM     33.1              32.3     0.8
MEAN             45.3              43.2     2.1
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32     14
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.38   1999
 MINIMUM         0.21   2007
TOTALS           0.78              1.30   -0.52
DAILY AVG.       0.03
DAYS >= .01         7
DAYS >= .10         2
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.44   04/26 TO 04/27

DEGREE_DAYS
HEATING TOTAL     582               654     -72
 SINCE 7/1       5951              6844    -893
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              11.7
HIGHEST WIND SPEED/DIRECTION    46/360    DATE  04/14
HIGHEST GUST SPEED/DIRECTION    53/360    DATE  04/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     53

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       3
LIGHT SNOW                8     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      3
HAZE                      2

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

LOOKING AHEAD TO MAY 2015...THE AVERAGE HIGH TEMPERATURE ON THE FIRST
OF THE MONTH IS 59 DEGREES...AND THE AVERAGE LOW IS 35 DEGREES. THE
AVERAGE HIGH TEMPERATURE BY THE END OF THE MONTH IS 67 DEGREES...AND
THE AVERAGE LOW TEMPERATURE IS 44. MAY IS THE WETTEST MONTH OF THE
YEAR WITH AVERAGE MONTHLY PRECIPITATION OF 2.53 INCHES.

$$





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