Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 010926
CLMLND

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

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR HUNT FIELD IN LANDER 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..

...MAY WAS COLDER AND MUCH WETTER THAN NORMAL IN LANDER...

THE AVERAGE TEMPERATURE FOR LANDER IN MAY WAS 50.1 DEGREES... WHICH
WAS 3.2 DEGREES BELOW NORMAL. THE WARMEST READING FOR THE MONTH WAS
80 DEGREES ON THE 31ST...AND THE COLDEST READING WAS 29 DEGREES ON
THE 11TH. NEW COLDEST HIGH TEMPERATURES OF 39 DEGREES OCCURRED ON
THE 9TH AND 40 DEGREES OCCURRED ON THE 10TH. THERE WERE NO OTHER
DAILY TEMPERATURE RECORDS.

TOTAL PRECIPITATION FOR THE MONTH WAS 6.10 INCHES...WHICH WAS 277
PERCENT OF NORMAL. THE WETTEST 24 HOUR PERIOD FOR THE MONTH WAS ON
THE 23RD AND 24TH...WHEN 1.40 INCHES FELL. SNOWFALL FOR THE MONTH
TOTALED 0.8 INCHES...WHICH WAS 17 PERCENT OF NORMAL. THERE WERE NO
PRECIPITATION RECORDS DURING THE MONTH. THE HIGHEST WIND GUST WAS 54
MPH ON THE 3RD.

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1891 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              93   05/29/2003
 LOW               13   05/02/1903
HIGHEST            80   05/31
LOWEST             29   05/11
AVG. MAXIMUM     60.2              66.5    -6.3
AVG. MINIMUM     40.0              40.1    -0.1
MEAN             50.1              53.3    -3.2
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32      4
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.77   2011
 MINIMUM         0.06   1956
TOTALS           6.10              2.20    3.90
DAILY AVG.       0.20              0.07    0.13
DAYS >= .01        18
DAYS >= .10        14
DAYS >= .50         5
DAYS >= 1.00        2
GREATEST
 24 HR. TOTAL    1.40   05/23 TO 05/24

SNOWFALL (INCHES)
TOTALS            0.8               4.8    -4.0
SINCE 7/1        73.9              91.3   -17.4
SNOWDEPTH AVG.      0
DAYS >= 1.0         0

DEGREE_DAYS
HEATING TOTAL     455               368      87
 SINCE 7/1       6937              7622    -685
COOLING TOTAL       0                 5      -5
 SINCE 1/1          0                 5      -5
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.4
RESULTANT WIND SPEED/DIRECTION   1/279
HIGHEST WIND SPEED/DIRECTION    38/210    DATE  05/03
HIGHEST GUST SPEED/DIRECTION    54/210    DATE  05/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       7
LIGHT RAIN               25     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                4     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      2
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 70 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 43 DEGREES. THE AVERAGE HIGH TEMPERATURE BY THE END OF THE MONTH
IS 83 DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 51 DEGREES. THE
AVERAGE MONTHLY PRECIPITATION IS 1.27 INCHES. THE AVERAGE SNOWFALL
IS 0.1 INCHES.

$$









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