Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 101959 CCA
CLMLND

CLIMATE REPORT...CORRECTION TO HEADER
NATIONAL WEATHER SERVICE RIVERTON WY
158 PM MDT TUE MAR 10 2015

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE HUNT FIELD IN LANDER
FOR THE MONTH OF FEBRUARY 2015...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF FEBRUARY 2015 WILL BE
AVAILABLE APPROXIMATELY IN APRIL 2015 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/...

...FEBRUARY WAS MUCH WARMER AND WETTER THAN NORMAL IN LANDER...

THE AVERAGE TEMPERATURE FOR LANDER IN FEBRUARY WAS 29.6
DEGREES...WHICH WAS 4.4 DEGREES ABOVE NORMAL. THE WARMEST READING
FOR THE MONTH WAS 62 DEGREES ON THE 12TH AND 14TH...WHICH SET NEW
DAILY RECORD HIGHS FOR BOTH DAYS. THE PREVIOUS RECORD HIGH ON THE
12TH WAS 58 DEGREES...LAST SET IN 1954. AND THE PREVIOUS RECORD HIGH
ON THE 14TH WAS 61 DEGREES...LAST SET IN 1943. TWO OTHER RECORD HIGH
TEMPERATURES OCCURRED DURING THE MONTH. ON THE 7TH...A RECORD HIGH
OF 58 DEGREES TIED THE PREVIOUS RECORD HIGH...LAST SET IN 1996. AND
ON THE 13TH...A HIGH OF 61 DEGREES BROKE THE PREVIOUS RECORD HIGH OF
59 DEGREES...LAST SET IN 1943. THE COLDEST READING WAS -12 DEGREES
ON THE 23RD. NO RECORD LOW TEMPERATURE RECORDS WERE SET DURING THE
MONTH...HOWEVER...THERE WERE TWO RECORD WARMEST LOW TEMPERATURES SET
DURING THE MONTH. ON THE 7TH...A RECORD WARM LOW TEMPERATURE OF 36
DEGREES BROKE THE PREVIOUS RECORD OF 34 DEGREES...LAST SET IN 1999.
AND ON THE 8TH...A RECORD WARM LOW TEMPERATURE OF 33 DEGREES BROKE
THE PREVIOUS RECORD WARM LOW OF 31 DEGREES...LAST SET IN 1951.

TOTAL PRECIPITATION FOR THE MONTH WAS 1.56 INCHES...WHICH WAS 267
PERCENT OF NORMAL. THIS MAKES IT THE 4TH WETTEST FEBRUARY ON
RECORD...WITH THE WETTEST OCCURRING IN 1955 WHEN 2.18 INCHES OF
PRECIPITATION FELL. THE WETTEST 24 HOUR PERIOD FOR THE MONTH WAS ON
THE 15TH AND THE 16TH...WHEN 0.49 INCHES FELL. THERE WERE TWO
PRECIPITATION RECORDS SET DURING THE MONTH OF FEBRUARY. ON THE
16TH...A RECORD 0.22 INCHES FELL...BREAKING THE OLD RECORD OF 0.14
INCHES...LAST SET IN 1942. AND ON THE 21ST...A RECORD 0.38 INCHES
FELL...BREAKING THE PREVIOUS RECORD OF 0.31 INCHES...LAST SET IN
1931. 23.6 INCHES OF SNOW FELL DURING THE MONTH...WHICH WAS 229
PERCENT OF NORMAL. THIS WAS THE 8TH SNOWIEST FEBRUARY ON
RECORD...WITH THE MOST SNOW FALLING IN 1955...WHEN 43.8 INCHES FELL.
THERE WERE THREE SNOWFALL RECORDS SET DURING FEBRUARY. ON THE
16TH...A RECORD 2.9 INCHES BROKE THE PREVIOUS RECORD OF 1.6
INCHES...LAST SET IN 1992. ON THE 20TH...A RECORD TRACE OF SNOW TIED
THE PREVIOUS RECORD OF A TRACE...LAST SET IN 2009. AND ON THE
21ST...A RECORD 7.4 INCHES BROKE THE PREVIOUS RECORD OF 1.5
INCHES...LAST SET IN 2010. THE HIGHEST WIND GUST WAS 59 MPH...WHICH
OCCURRED ON THE 7TH.

...THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 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              68   02/10/1951
                        02/27/1932
 LOW              -40   02/08/1936
HIGHEST            62   02/14
                        02/12
LOWEST            -12   02/23
AVG. MAXIMUM     41.3              36.5     4.8
AVG. MINIMUM     17.8              13.9     3.9
MEAN             29.6              25.2     4.4
DAYS MAX >= 90      0
DAYS MAX <= 32      9
DAYS MIN <= 32     26
DAYS MIN <= 0       3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.32   1911
 MINIMUM         0.00   1970
TOTALS           1.56              0.58    0.98
DAILY AVG.       0.06              0.02    0.04
DAYS >= .01         8
DAYS >= .10         5
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.49   02/15 TO 02/16

SNOWFALL (INCHES)
TOTALS           23.6              10.3    13.3
SINCE 7/1        53.9              53.6     0.3
SNOWDEPTH AVG.      2
DAYS >= 1.0         6

DEGREE_DAYS
HEATING TOTAL     985              1114    -129
 SINCE 7/1       5124              5704    -580
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              5.4
RESULTANT WIND SPEED/DIRECTION   1/298
HIGHEST WIND SPEED/DIRECTION    46/240    DATE  02/07
HIGHEST GUST SPEED/DIRECTION    59/240    DATE  02/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                1     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                2     SNOW                       5
LIGHT SNOW               12     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      4
HAZE                     10

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

LOOKING AHEAD TO MARCH 2015...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 42 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 19 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 52
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 28. THE AVERAGE MONTHLY
PRECIPITATION IS 1.16 INCHES. THE AVERAGE SNOWFALL IS 16.1 INCHES.

$$










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