Climatological Report (Monthly)
Issued by NWS Billings, MT

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CXUS55 KBYZ 011632
CLMSHR

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
419 AM MST THU JAN 1 2015

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

...THE SHERIDAN WY CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1907 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            60   12/09
LOWEST            -18   12/30
AVG. MAXIMUM     36.2              35.2     1.0
AVG. MINIMUM     13.9              10.6     3.3
MEAN             25.0              22.9     2.1
DAYS MAX >= 90      0
DAYS MAX <= 32     11
DAYS MIN <= 32     29
DAYS MIN <= 0       5

PRECIPITATION (INCHES)
TOTALS           0.74              0.56    0.18
DAYS >= .01         6
DAYS >= .10         3
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.37   12/25 TO 12/25
                        12/24 TO 12/25
                        12/25 TO 12/25

DEGREE_DAYS
HEATING TOTAL    1229              1305     -76
 SINCE 7/1       3055              3183    -128
COOLING TOTAL       0                 0       0
 SINCE 1/1        346               419     -73
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.2
HIGHEST WIND SPEED/DIRECTION    41/330    DATE  12/21
HIGHEST GUST SPEED/DIRECTION    53/320    DATE  12/21

AVERAGE RH (PERCENT)     71

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                0     SNOW                       2
LIGHT SNOW                9     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      2
HAZE                      6

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

&&

...DECEMBER 2014 MONTH IN REVIEW FOR SHERIDAN...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR SHERIDAN FOR DECEMBER 2014. 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   2014 VALUES  NORMALS    DEPARTURE  RANKING

DECEMBER     0.74     0.56       +0.18      TIED FOR THE 38TH WETTEST OUT OF 108 YEARS
                                            (RECORD WETTEST WAS 2.41 IN 1989)
                                            (WETTEST SINCE 1.12 IN 2013)

...SHERIDAN DECEMBER 2014 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

NONE

...SHERIDAN AVERAGE TEMPERATURES...

 MONTH   2014 VALUES  NORMALS   DEPARTURE  RANKING

DECEMBER     25.1      22.9      +2.2      TIED FOR THE 52ND WARMEST OUT OF 108 YEARS
                                           (RECORD WARMEST WAS 35.0 IN 1957)
                                           (WARMEST SINCE 25.6 IN 2011)

...SHERIDAN AVERAGE HIGH TEMPERATURES...

 MONTH   2014 VALUES  NORMALS   DEPARTURE  RANKING

DECEMBER     36.2      35.2      +1.0      TIED FOR THE 50TH COLDEST OUT OF 108 YEARS
                                           (RECORD COLDEST WAS 17.5 IN 1983)
                                           (COLDEST SINCE 32.3 IN 2013)

...SHERIDAN DECEMBER 2014 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...SHERIDAN DECEMBER 2014 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...SHERIDAN AVERAGE LOW TEMPERATURES...

 MONTH   2014 VALUES  NORMALS   DEPARTURE  RANKING

DECEMBER     13.9      10.6      +3.3      47TH WARMEST OUT OF 108 YEARS
                                           (RECORD WARMEST WAS 21.5 IN 1957)
                                           (WARMEST SINCE 14.7 IN 2006)

...SHERIDAN DECEMBER 2014 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

NONE

...SHERIDAN DECEMBER 2014 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

NONE

$$



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