Climatological Report (Monthly)
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
000
CXUS55 KRIW 010924
CLMBYG

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

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

...OFFICIAL CLIMATE DATA FOR THE MONTH OF MAY 2015 WILL BE
AVAILABLE APPROXIMATELY IN JULY 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 MUCH COLDER THAN NORMAL AND MUCH WETTER THAN NORMAL IN
MAY...

THE AVERAGE TEMPERATURE FOR BUFFALO IN APRIL WAS 49.4 DEGREES...
WHICH WAS 2.6 DEGREES BELOW NORMAL. THIS MAKES IT THE 4TH COLDEST
MAY ON RECORD...WITH THE COLDEST COMING IN 2011...WITH AN AVERAGE
TEMPERATURE OF 46.8 DEGREES. THE WARMEST DAILY HIGH WAS 77 DEGREES
ON THE 30TH. THE COLDEST READING WAS 28 DEGREES ON THE 11TH. A DAILY
RECORD LOW TEMPERATURE OF 36 DEGREES OCCURRED ON THE 21ST. RECORDS
FOR THE AIRPORT SITE ONLY DATE BACK TO 1998.

TOTAL PRECIPITATION FOR THE MONTH WAS 5.76 INCHES...WHICH WAS 228
PERCENT OF NORMAL. THIS MAKES IT THE 4TH WETTEST MAY ON
RECORD...WITH THE WETTEST OCCURRING IN 2011 WHEN 6.68 INCHES OF
PRECIPITATION FELL. NEW DAILY PRECIPITATION RECORDS DURING THE MONTH
INCLUDE 0.85 INCHES ON THE 14TH...0.63 INCHES ON THE 15TH...AND 2.83
INCHES ON THE 24TH. THE HIGHEST WIND GUST WAS 52 MPH ON THE 6TH.

...THE BUFFALO WY CLIMATE SUMMARY FOR THE MONTH OF MAY 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              91   05/13/2001
 LOW               17   05/02/2005
HIGHEST            77   05/30
LOWEST             28   05/11
AVG. MAXIMUM     59.0              63.4    -4.4
AVG. MINIMUM     39.9              40.6    -0.7
MEAN             49.4              52.0    -2.6
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32      4
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.74   2011
 MINIMUM         0.31   2009
TOTALS           5.76              2.53    3.23
DAILY AVG.       0.19
DAYS >= .01        17
DAYS >= .10         9
DAYS >= .50         3
DAYS >= 1.00        1
GREATEST
 24 HR. TOTAL    2.87   05/24 TO 05/25

DEGREE_DAYS
HEATING TOTAL     476               410      66
 SINCE 7/1       6427              7254    -827
COOLING TOTAL       0                 7      -7
 SINCE 1/1          0                 7      -7
.................................................

WIND (MPH)
AVERAGE WIND SPEED              11.0
HIGHEST WIND SPEED/DIRECTION    43/340    DATE  05/06
HIGHEST GUST SPEED/DIRECTION    52/330    DATE  05/06

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY         17

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       5
LIGHT RAIN               20     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                4     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      7
HAZE                      1

-  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 69 DEGREES...AND THE AVERAGE LOW IS 45
DEGREES. THE AVERAGE HIGH TEMPERATURE BY THE END OF THE MONTH IS 85
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 57. THE AVERAGE MONTHLY
PRECIPITATION IS 2.28 INCHES.

$$










USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.