Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 021425
CLMLND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
554 AM MST THU FEB 2 2017


..PRELIMINARY MONTHLY CLIMATE SUMMARY FOR THE HUNT FIELD IN LANDER
FOR THE MONTH OF JANUARY 2017...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF JANUARY 2017 WILL BE
AVAILABLE APPROXIMATELY IN MARCH 2017 FROM THE NATIONAL CENTER FOR
ENVIRONMENTAL INFORMATION (HTTP://WWW.NCEI.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 WETTER AND COLDER THAN NORMAL IN JANUARY...

THE AVERAGE TEMPERATURE FOR LANDER IN JANUARY WAS 12.2 DEGREES...
WHICH WAS 9.5 DEGREES BELOW NORMAL....MAKING IT THE 7TH COLDEST
JANUARY ON RECORD. THE WARMEST READING OF THE MONTH WAS 48 DEGREES
ON THE 9TH...AND THE COLDEST WAS 25 DEGREES BELOW ZERO ON THE 6TH.
ONE DAILY RECORD LOW TEMPERATURE WAS TIED ON THE 6TH WITH 25 DEGREES
BELOW ZERO TYING THE 1979 RECORD.

TOTAL PRECIPITATION FOR THE MONTH WAS 1.27 INCHES...WHICH WAS 0.86
INCHES ABOVE NORMAL FOR THE MONTH...OR 310 PERCENT OF NORMAL.
THE WETTEST 24 HOUR PERIOD DURING THE MONTH WAS ON THE 23R AND
24TH...WHEN 0.81 INCHES FELL. BOTH DAYS WERE ALSO RECORD BREAKING...
THE 23RD HAD 0.46 INCHES BREAKING THE 1978 RECORD OF 0.31...AND THE
24TH HAD 0.34 INCHES BREAKING 0.21 INCHES IN 1954. TOTAL SNOWFALL
FOR THE MONTH WAS 18.3 INCHES...WHICH WAS 241 PERCENT OF NORMAL OR
10.7 INCHES ABOVE NORMAL. THE SNOWIEST DAY WAS THE 23RD WITH 5.4
INCHES OF SNOW. THIS IS ALSO A NEW RECORD...BREAKING THE 1978 RECORD
OF 4.5 INCHES OF SNOW. THE 24TH HAD 5.2 INCHES...BREAKING THE 2012
RECORD OF 3.9 INCHES.

THE HIGHEST WIND GUST WAS 58 MPH ON THE 10TH.

...THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1891 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              64   01/01/1918
 LOW              -37   01/12/1963
HIGHEST            48   01/09
LOWEST            -25   01/06
AVG. MAXIMUM     22.2              33.1   -10.9
AVG. MINIMUM      2.3              10.2    -7.9
MEAN             12.2              21.7    -9.5
DAYS MAX >= 90      0
DAYS MAX <= 32     25
DAYS MIN <= 32     31
DAYS MIN <= 0      14

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.06   1910
 MINIMUM         0.00   1952
                        1919
TOTALS           1.27              0.41    0.86
DAILY AVG.       0.04              0.01    0.03
DAYS >= .01         7
DAYS >= .10         4
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.81   01/23 TO 01/24

SNOWFALL (INCHES)
TOTALS           18.3               7.6    10.7
SINCE 7/1        41.4              43.3    -1.9
SNOWDEPTH AVG.      7
DAYS >= 1.0         4

DEGREE_DAYS
HEATING TOTAL    1628              1344     284
 SINCE 7/1       4675              4590      85
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              4.0
RESULTANT WIND SPEED/DIRECTION   1/287
HIGHEST WIND SPEED/DIRECTION    43/230    DATE  01/10
HIGHEST GUST SPEED/DIRECTION    58/230    DATE  01/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           22
NUMBER OF DAYS PC              3
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                2     SNOW                       3
LIGHT SNOW                8     SLEET                      0
FOG                      23     FOG W/VIS <= 1/4 MILE      3
HAZE                     16

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

LOOKING AHEAD TO FEBRUARY 2017...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 34 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 11 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 41
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 118. THE AVERAGE
MONTHLY PRECIPITATION IS 0.58 INCHES.

$$



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