Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 011007
CLMLND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
243 AM MDT SUN MAY 1 2016

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

...OFFICIAL CLIMATE DATA FOR THE MONTH OF APRIL 2016 WILL BE
AVAILABLE APPROXIMATELY IN JUNE 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 MUCH WETTER THAN NORMAL IN APRIL...

THE AVERAGE TEMPERATURE FOR LANDER IN APRIL WAS 44.6 DEGREES...WHICH
WAS 0.7 DEGREES ABOVE NORMAL. THE WARMEST READING OF THE MONTH
WAS 75 DEGREES ON THE 22ND. THE COLDEST READING OF THE MONTH WAS 22
DEGREES ON THE 1ST. NO TEMPERATURE RECORDS WERE SET DURING THE
MONTH.

TOTAL PRECIPITATION FOR THE MONTH WAS 4.61 INCHES...WHICH WAS 243
PERCENT OF NORMAL. THIS MAKES IT THE 10TH WETTEST APRIL ON RECORD.
THE WETTEST 24 HOUR PERIOD OF THE MONTH WAS ON THE 25TH AND
26TH...WHEN 2.17 OF AN INCH OF PRECIPITATION FELL. A NEW RECORD WAS
SET ON THE 26TH...WHEN 1.25 OF AN INCH FELL...BREAKING THE
PREVIOUS RECORD OF 1.05...SET IN 1984. TOTAL SNOWFALL DURING THE
MONTH WAS 4.3 INCHES...WHICH WAS 26 PERCENT OF NORMAL. THE HIGHEST
WIND GUST WAS 62 MPH ON THE 14TH.

...THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF APRIL 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              83   04/23/2012
 LOW              -11   04/02/1936
                        04/22/1892
HIGHEST            75   04/22
LOWEST             22   04/01
AVG. MAXIMUM     55.4              56.4    -1.0
AVG. MINIMUM     33.8              31.3     2.5
MEAN             44.6              43.9     0.7
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           4.61              1.87    2.74
DAILY AVG.       0.15              0.06    0.09
DAYS >= .01        12
DAYS >= .10         7
DAYS >= .50         3
DAYS >= 1.00        2
GREATEST
 24 HR. TOTAL    2.17   04/25 TO 04/26

SNOWFALL (INCHES)
TOTALS            4.3              16.8   -12.5
SINCE 7/1        74.6              86.5   -11.9
SNOWDEPTH AVG.      1
DAYS >= 1.0         1

DEGREE_DAYS
HEATING TOTAL     605               635     -30
 SINCE 7/1       6577              7254    -677
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.9
RESULTANT WIND SPEED/DIRECTION   1/280
HIGHEST WIND SPEED/DIRECTION    49/210    DATE  04/14
HIGHEST GUST SPEED/DIRECTION    62/210    DATE  04/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC              3
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW               10     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      4
HAZE                      2

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

LOOKING AHEAD TO MAY 2016...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 60 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 34 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 69
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 42 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 2.48 INCHES WITH 6.0 INCHES OF SNOWFALL.

$$



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