Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 082226 CCA
CLMLND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
431 PM MDT TUE MAY 1 2018

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE HUNT FIELD IN LANDER
FOR THE MONTH OF APRIL 2018...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF APRIL 2018 WILL BE
AVAILABLE APPROXIMATELY IN 60 DAYS FROM THE NATIONAL CENTERS FOR
ENVIRONMENTAL INFORMATION (HTTP://WWW.NCDC.NOAA.GOV/CDO-
WEB/DATASETS). UNOFFICIAL ASOS DAILY SUMMARIES ARE AVAILABLE ON THE
INTERNET AT HTTP://WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW

...APRIL CLIMATE IN LANDER WAS DRIER THAN NORMAL...

THE AVERAGE TEMPERATURE FOR LANDER IN APRIL WAS 43.9 DEGREES...
WHICH WAS EXACTLY NORMAL. THE WARMEST READING OF THE
MONTH WAS 76 DEGREES ON THE 28TH...AND COLDEST WAS 13 DEGREES ON THE
3RD. NO TEMPERATURE RECORDS WERE SET DURING THE MONTH.

TOTAL PRECIPITATION FOR THE MONTH WAS 1.49 INCHES...WHICH WAS 80
PERCENT OF NORMAL. THE WETTEST 24 HOUR PERIOD DURING THE MONTH WAS
ON THE 30TH...WHEN 1.15 INCHES FELL. THE TOTAL SNOWFALL FOR APRIL
 WAS 2.7 INCHES...WHICH WAS ONLY 16 PERCENT OF NORMAL. THE SNOWIEST
DAY WAS ON THE 17TH WHEN 2.0 INCHES FELL. THIS MADE IT THE 16TH
LEAST SNOWIEST APRIL ON RECORD. THE HIGHEST WIND GUST WAS 68 MPH ON
THE 16TH.


...THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1891 TO 2018

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   04/28
LOWEST             13   04/03
AVG. MAXIMUM     58.5              56.4     2.1
AVG. MINIMUM     29.4              31.3    -1.9
MEAN             43.9              43.9     0.0
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32     21
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.19   1900
 MINIMUM         0.10   1930
TOTALS           1.49              1.87   -0.38
DAILY AVG.       0.05              0.06   -0.01
DAYS >= .01         9
DAYS >= .10         2
DAYS >= .50         1
DAYS >= 1.00        1
GREATEST
 24 HR. TOTAL    1.15   04/30 TO 04/30

SNOWFALL (INCHES)
TOTALS            2.7              16.8   -14.1
SINCE 7/1        58.0              86.5   -28.5
SNOWDEPTH AVG.      0
DAYS >= 1.0         1

DEGREE_DAYS
HEATING TOTAL     626               635      -9
 SINCE 7/1       6957              7254    -297
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              7.6
RESULTANT WIND SPEED/DIRECTION   1/281
HIGHEST WIND SPEED/DIRECTION    51/170    DATE  04/16
HIGHEST GUST SPEED/DIRECTION    68/170    DATE  04/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     51

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW                9     SLEET                      0
FOG                       9     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 MAY 2018...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 62 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 36 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 71
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 44. THE AVERAGE MONTHLY
PRECIPITATION IS 2.2 INCHES WITH 4.8 INCHES OF SNOWFALL.

$$


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