Climatological Report (Monthly)
Issued by NWS

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806
CXUS55 KRIW 010919
CLMLND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
149 AM MDT WED JUN 1 2016

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE HUNT FIELD IN LANDER
FOR THE MONTH OF MAY 2016...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF MAY 2016 WILL BE AVAILABLE
APPROXIMATELY IN JULY 2016 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.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW

...LANDER WAS SLIGHTLY COOLER AND MUCH WETTER THAN NORMAL IN MAY...

THE AVERAGE TEMPERATURE FOR LANDER IN MAY WAS 51.3 DEGREES...WHICH
WAS 2.0 DEGREES BELOW NORMAL. THE WARMEST READING OF THE MONTH WAS
78 DEGREES ON THE 5TH. THE COLDEST READING OF THE MONTH WAS 29
DEGREES ON THE 11TH. NO TEMPERATURE RECORDS WERE SET DURING THE
MONTH.

TOTAL PRECIPITATION FOR THE MONTH WAS 5.03 INCHES...WHICH WAS 229
PERCENT OF NORMAL. THE WETTEST 24 HOUR PERIOD OF THE MONTH WAS ON
THE 6TH AND 7TH...WHEN 3.98 OF AN INCH OF PRECIPITATION FELL. A NEW
RECORD WAS SET ON THE 7TH...WHEN 3.35 OF AN INCH FELL...BREAKING THE
PREVIOUS RECORD OF 1.85...SET IN 1921. THE HIGHEST WIND GUST WAS 56
MPH ON THE 21ST.

...THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1891 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              93   05/29/2003
 LOW               13   05/02/1903
HIGHEST            78   05/05
LOWEST             29   05/11
AVG. MAXIMUM     62.9              66.5    -3.6
AVG. MINIMUM     39.7              40.1    -0.4
MEAN             51.3              53.3    -2.0
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           5.03              2.20    2.83
DAILY AVG.       0.16              0.07    0.09
DAYS >= .01        11
DAYS >= .10         5
DAYS >= .50         2
DAYS >= 1.00        1
GREATEST
 24 HR. TOTAL    3.98   05/06 TO 05/07

SNOWFALL (INCHES)
TOTALS              T               4.8    -4.8
SINCE 7/1        75.2              91.3   -16.1
SNOWDEPTH AVG.      0
DAYS >= 1.0         0

DEGREE_DAYS
HEATING TOTAL     416               368      48
 SINCE 7/1       6993              7622    -629
COOLING TOTAL       0                 5      -5
 SINCE 1/1          0                 5      -5
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.8
RESULTANT WIND SPEED/DIRECTION   2/249
HIGHEST WIND SPEED/DIRECTION    45/180    DATE  05/21
HIGHEST GUST SPEED/DIRECTION    56/170    DATE  05/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     58

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       3
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                       8     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 2016...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 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 1.26 INCHES.

$$



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