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CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
233 AM MDT SUN JUN 2 2013

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE HUNT FIELD IN LANDER
FOR THE MONTH OF MAY 2013...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF MAY 2013 WILL BE
AVAILABLE APPROXIMATELY IN JULY 2013 FROM THE NATIONAL CLIMATIC DATA
CENTER (HTTP://WWW.NCDC.NOAA.GOV/OL/CLIMATEDATA.HTML). UNOFFICIAL
ASOS DAILY SUMMARIES ARE AVAILABLE ON THE INTERNET AT
HTTP://WWW.CRH.NOAA.GOV/RIW/CLIMATE/...

...LANDER WAS SLIGHTLY WARMER AND SLIGHTLY DRIER IN MAY...

THE AVERAGE TEMPERATURE FOR LANDER IN MAY WAS 54.9 DEGREES... WHICH
WAS 1.6 DEGREES ABOVE NORMAL. THE WARMEST DAILY HIGH FOR THE MONTH
WAS 86 DEGREES ON THE 13TH...TYING THE RECORD HIGH SET IN 2001. THE
COLDEST READING FOR THE MONTH WAS 19 DEGREES ON THE 2ND.

TOTAL PRECIPITATION FOR THE MONTH WAS 1.98 INCHES...WHICH WAS 90
PERCENT OF NORMAL. THE WETTEST PERIOD OF THE MONTH WAS THE 19TH
THROUGH THE 20TH...WHEN 0.85 OF AN INCH OF PRECIPITATION FELL. 10.5
INCHES OF SNOWFALL OCCURRED ON THE 1ST...WHICH BROKE THE PREVIOUS
RECORD OF 8 INCHES...SET IN 2002. THE HIGHEST WIND GUST WAS 52
MPH...WHICH OCCURRED ON THE 17TH.

...THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1891 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              93   05/29/2003
 LOW               13   05/02/1903
HIGHEST            86   05/13
LOWEST             19   05/02
AVG. MAXIMUM     67.4              66.5     0.9
AVG. MINIMUM     42.4              40.1     2.3
MEAN             54.9              53.3     1.6
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32      3
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.77   2011
 MINIMUM         0.06   1956
TOTALS           1.98              2.20   -0.22
DAILY AVG.       0.06              0.07   -0.01
DAYS >= .01        10
DAYS >= .10         5
DAYS >= .50         1
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.85   05/19 TO 05/20

SNOWFALL (INCHES)
TOTALS           10.5               4.8     5.7
SINCE 7/1       111.1              91.3    19.8
SNOWDEPTH AVG.      0
DAYS >= 1.0         1

DEGREE_DAYS
HEATING TOTAL     314               368     -54
 SINCE 7/1       7374              7622    -248
COOLING TOTAL       9                 5       4
 SINCE 1/1          9                 5       4
.................................................

WIND (MPH)
AVERAGE WIND SPEED              7.0
RESULTANT WIND SPEED/DIRECTION   3/289
HIGHEST WIND SPEED/DIRECTION    43/240    DATE  05/17
HIGHEST GUST SPEED/DIRECTION    52/240    DATE  05/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     51

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                1     SLEET                      0
FOG                       6     FOG W/VIS <= 1/4 MILE      1
HAZE                      2

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

LOOKING AHEAD TO JUNE 2013...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 70 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 43 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 83
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 51. THE AVERAGE MONTHLY
PRECIPITATION IS 1.27 INCHES...WITH 0.9 INCHES OF SNOWFALL.

$$