National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXUS55 KRIW 012049
CLMLND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
248 PM MDT WED MAY 1 2013

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE HUNT FIELD IN LANDER
FOR THE MONTH OF APRIL 2013...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF APRIL 2013 WILL BE
AVAILABLE APPROXIMATELY IN JUNE 2013 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.CRH.NOAA.GOV/RIW/CLIMATE/...

...LANDER WAS COLDER...WETTER AND RECORD SNOWIER THAN NORMAL FOR THE
MONTH OF APRIL...

THE AVERAGE TEMPERATURE FOR LANDER IN APRIL WAS 38.1 DEGREES...
WHICH WAS 5.8 DEGREES BELOW NORMAL. THE WARMEST DAILY HIGH FOR THE
MONTH WAS 74 DEGREES ON THE 27TH...AND THE COOLEST READING FOR THE
MONTH WAS 5 ABOVE ON THE 10TH. THERE WERE TWO RECORD DAILY LOW
TEMPERATURES SET IN APRIL...5 ABOVE ON THE 10TH...AND 9 ABOVE ON THE
23RD.

TOTAL PRECIPITATION FOR THE MONTH WAS 3.14 INCHES...WHICH WAS 168
PERCENT OF NORMAL. THE WETTEST DAY OF THE MONTH WAS THE 8TH...WHEN
1.31 OF AN INCH OF PRECIPITATION OCCURRED...WITH 12.6 INCHES OF
SNOWFALL...AND SET DAILY RECORDS FOR BOTH EVENTS. DURING THE
MONTH...43.3 INCHES OF SNOW FELL...WHICH WAS 258 PERCENT OF NORMAL.
THIS MAKES APRIL TIED WITH 1944 FOR THE 6TH SNOWIEST FOR LANDER IN THE
LAST 122 YEARS OF WEATHER RECORD KEEPING. THE HIGHEST WIND GUST WAS
49 MPH...WHICH OCCURRED ON THE 13TH.

...THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1891 TO 2013

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            74   04/27
LOWEST              5   04/10
AVG. MAXIMUM     50.5              56.4    -5.9
AVG. MINIMUM     25.7              31.3    -5.6
MEAN             38.1              43.9    -5.8
DAYS MAX >= 90      0
DAYS MAX <= 32      6
DAYS MIN <= 32     24
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.19   1900
 MINIMUM         0.10   1930
TOTALS           3.14              1.87    1.27
DAILY AVG.       0.10              0.06    0.04
DAYS >= .01         8
DAYS >= .10         6
DAYS >= .50         1
DAYS >= 1.00        1
GREATEST
 24 HR. TOTAL    2.11   04/08 TO 04/09

SNOWFALL (INCHES)
TOTALS           43.3              16.8    26.5
SINCE 7/1       100.6              86.5    14.1
SNOWDEPTH AVG.      3
DAYS >= 1.0         7

DEGREE_DAYS
HEATING TOTAL     800               635     165
 SINCE 7/1       7060              7254    -194
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.2
RESULTANT WIND SPEED/DIRECTION   2/293
HIGHEST WIND SPEED/DIRECTION    38/240    DATE  04/13
HIGHEST GUST SPEED/DIRECTION    49/250    DATE  04/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     54

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                1     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                4     SNOW                       6
LIGHT SNOW               11     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      7
HAZE                     10

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

LOOKING AHEAD TO MAY 2013...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...WITH 4.8 INCHES OF SNOWFALL.

$$