Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 031148
CLMLND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
550 AM MDT FRI MAY 3 2019

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR HUNT FIELD IN LANDER FOR
THE MONTH OF APRIL 2019...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF APRIL 2019 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 WAS MUCH WETTER THAN NORMAL FOR LANDER...

THE AVERAGE TEMPERATURE FOR LANDER IN APRIL WAS 44.6 DEGREES...
WHICH WAS JUST 0.7 DEGREES ABOVE NORMAL. THE WARMEST READING OF THE
MONTH WAS 75 DEGREES ON THE 20TH...AND THE COLDEST WAS 18 DEGREES ON
THE 11TH. NO TEMPERATURE RECORDS WERE BROKEN DURING THE MONTH.

TOTAL PRECIPITATION FOR THE MONTH WAS 2.66 INCHES...WHICH WAS 142
PERCENT OF NORMAL. THE WETTEST 24 HOUR PERIOD DURING THE MONTH WAS
ON THE 10TH...WHEN 1.43 INCHES FELL. THIS ALSO BROKE THE PREVIOUS
RECORD OF 1.42 INCHES...SET IN 1943. SNOWFALL FOR THE MONTH WAS 11
INCHES...WHICH WAS ONLY 65 PERCENT OF NORMAL. THE SNOWIEST 24 HOUR
PERIOD WAS ON THE 10TH WHEN 7.7 INCHES FELL.  THE HIGHEST WIND GUST
WAS 50 MPH ON THE 17TH.

...THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1891 TO 2019

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   04/20
LOWEST             18   04/11
AVG. MAXIMUM     56.7              56.4     0.3
AVG. MINIMUM     32.4              31.3     1.1
MEAN             44.6              43.9     0.7
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32     12
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.19   1900
 MINIMUM         0.10   1930
TOTALS           2.66              1.87    0.79
DAILY AVG.       0.09              0.06    0.03
DAYS >= .01         9
DAYS >= .10         4
DAYS >= .50         2
DAYS >= 1.00        1
GREATEST
 24 HR. TOTAL    1.43   04/10 TO 04/10

SNOWFALL (INCHES)
TOTALS           11.0              16.8    -5.8
SINCE 7/1        73.1              86.5   -13.4
SNOWDEPTH AVG.      1
DAYS >= 1.0         2

DEGREE_DAYS
HEATING TOTAL     605               635     -30
 SINCE 7/1       7538              7254     284
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              7.3
RESULTANT WIND SPEED/DIRECTION   2/275
HIGHEST WIND SPEED/DIRECTION    39/340    DATE  04/17
HIGHEST GUST SPEED/DIRECTION    50/320    DATE  04/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     57

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP                0
HEAVY RAIN                0     RAIN                        2
LIGHT RAIN                7     FREEZING RAIN               0
LT FREEZING RAIN          0     HAIL                        0
HEAVY SNOW                2     SNOW                        2
LIGHT SNOW                5     SLEET                       0
FOG                      11     FOG W/VIS <= 1/4 MILE       2
HAZE                      1
                  1

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

LOOKING AHEAD TO MAY 2019...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 2.20 INCHES. THE AVERAGE MONTHLY SNOWFALL IS 4.8
INCHES.

$$


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