Climatological Report (Monthly)
Issued by NWS Billings, MT

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000
CXUS55 KBYZ 011239
CLMSHR


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
537 AM MST SUN JAN 1 2017

...................................

...THE SHERIDAN WY CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1907 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            53   12/30
LOWEST            -25   12/17
AVG. MAXIMUM     28.1              35.2    -7.1
AVG. MINIMUM      2.7              10.6    -7.9
MEAN             15.4              22.9    -7.5
DAYS MAX >= 90      0
DAYS MAX <= 32     16
DAYS MIN <= 32     31
DAYS MIN <= 0      13

PRECIPITATION (INCHES)
TOTALS           1.00              0.56    0.44
DAYS >= .01        11
DAYS >= .10         3
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.32   12/15 TO 12/16

DEGREE_DAYS
HEATING TOTAL    1528              1305     223
 SINCE 7/1       3005              3183    -178
COOLING TOTAL       0                 0       0
 SINCE 1/1        549               419     130
.................................................

WIND (MPH)
AVERAGE WIND SPEED              8.1
HIGHEST WIND SPEED/DIRECTION    38/250    DATE  12/30
HIGHEST GUST SPEED/DIRECTION    48/250    DATE  12/30

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                0     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                5     SNOW                       6
LIGHT SNOW               14     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      5
HAZE                      7

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

&&

...DECEMBER 2016 MONTH IN REVIEW FOR SHERIDAN...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR SHERIDAN FOR DECEMBER 2016. ALL TEMPERATURES ARE IN
DEGREES FAHRENHEIT AND ALL PRECIPITATION AMOUNTS ARE IN INCHES. NORMALS
ARE 30 YEAR AVERAGES CALCULATED FROM 1981 TO 2010. MONTHLY RANKINGS
FOR PRECIPITATION...SNOWFALL...AND TEMPERATURES USE A PERIOD
OF RECORD THAT STARTED IN MAY 1934 AT OR NEAR THE SHERIDAN AIRPORT.

NUMBERS DENOTED WITH AN * IS MISSING DATA IN THE CALCULATION.

...SHERIDAN MONTHLY PRECIPITATION...

 MONTH   2016 VALUES  NORMALS    DEPARTURE  RANKING

DECEMBER     1.00     0.56       +0.44      18TH WETTEST OUT OF 110 YEARS
                                            (RECORD WETTEST WAS 2.41 IN 1989)
                                            (WETTEST SINCE 1.12 IN 2013)

...SHERIDAN DECEMBER 2016 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

0.30 ON DECEMBER 16 (OLD RECORD 0.25 IN 1909)

...SHERIDAN AVERAGE TEMPERATURES...

 MONTH   2016 VALUES  NORMALS   DEPARTURE  RANKING

DECEMBER     15.4      22.9      -7.5      10TH COLDEST OUT OF 110 YEARS
                                           (RECORD COLDEST WAS 6.8 IN 1983)
                                           (COLDEST SINCE 15.2 IN 1992)

...SHERIDAN AVERAGE HIGH TEMPERATURES...

 MONTH   2016 VALUES  NORMALS   DEPARTURE  RANKING

DECEMBER     28.1      35.2      -7.1      12TH COLDEST OUT OF 110 YEARS
                                           (RECORD COLDEST WAS 17.5 IN 1983)
                                           (COLDEST SINCE 26.6 IN 2009)

...SHERIDAN DECEMBER 2016 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...SHERIDAN DECEMBER 2016 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...SHERIDAN AVERAGE LOW TEMPERATURES...

 MONTH   2016 VALUES  NORMALS   DEPARTURE  RANKING

DECEMBER      2.7      10.6      -7.9      9TH COLDEST OUT OF 110 YEARS
                                           (RECORD COLDEST WAS -3.9 IN 1983)
                                           (COLDEST SINCE 2.2 IN 1990)

...SHERIDAN DECEMBER 2016 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

NONE

...SHERIDAN DECEMBER 2016 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

NONE

$$






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