Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 012251
CLMLND

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

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

...APRIL WAS WARMER AND WETTER THAN NORMAL IN LANDER...

THE AVERAGE TEMPERATURE FOR LANDER IN APRIL WAS 45.0 DEGREES...
WHICH WAS 1.1 DEGREES ABOVE NORMAL. THE WARMEST READING FOR THE
MONTH WAS 76 DEGREES ON THE 29TH...AND THE COLDEST READING WAS 15
DEGREES ON THE 3RD.

TOTAL PRECIPITATION FOR THE MONTH WAS 2.31 INCHES...WHICH WAS 124
PERCENT OF NORMAL. THE WETTEST 24 HOUR PERIOD FOR THE MONTH WAS ON
THE 15TH AND 16TH...WHEN 0.91 OF AN INCH FELL. SNOWFALL FOR THE
MONTH TOTALED 10.3 INCHES...WHICH WAS 61 PERCENT OF NORMAL. THE
HIGHEST WIND GUST WAS 54 MPH FROM THE SOUTH ON THE 14TH.

...THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF APRIL 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              83   04/23/2012
 LOW              -11   04/02/1936
                        04/22/1892
HIGHEST            76   04/29
LOWEST             15   04/03
AVG. MAXIMUM     57.8              56.4     1.4
AVG. MINIMUM     32.2              31.3     0.9
MEAN             45.0              43.9     1.1
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32     15
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.19   1900
 MINIMUM         0.10   1930
TOTALS           2.31              1.87    0.44
DAILY AVG.       0.08              0.06    0.02
DAYS >= .01         8
DAYS >= .10         4
DAYS >= .50         2
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.91   04/15 TO 04/16

SNOWFALL (INCHES)
TOTALS           10.3              16.8    -6.5
SINCE 7/1        73.1              86.5   -13.4
SNOWDEPTH AVG.      0
DAYS >= 1.0         3

DEGREE_DAYS
HEATING TOTAL     593               635     -42
 SINCE 7/1       6482              7254    -772
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              7.0
RESULTANT WIND SPEED/DIRECTION   2/273
HIGHEST WIND SPEED/DIRECTION    45/190    DATE  04/14
HIGHEST GUST SPEED/DIRECTION    54/190    DATE  04/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     54

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW                7     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      2
HAZE                      4

-  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 60 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 34 DEGREES. THE AVERAGE HIGH TEMPERATURE BY THE END OF MAY IS 69
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 43. MAY IS THE WETTEST
MONTH OF THE YEAR WITH MONTHLY PRECIPITATION OF 2.20 INCHES. THE
AVERAGE SNOWFALL IS 4.8 INCHES.

$$






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