Climatological Report (Annual)
Issued by NWS Billings, MT

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000
CXUS55 KBYZ 011543
CLASHR


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
832 AM MST FRI JAN 1 2016

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

...THE SHERIDAN WY CLIMATE SUMMARY FOR THE YEAR OF 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1907 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH             107   07/13/2005
                        07/14/2002
 LOW              -41   12/09/1919
HIGHEST           104   08/14
LOWEST            -13   02/27
AVG. MAXIMUM     62.2              59.5     2.7
AVG. MINIMUM     32.7              30.9     1.8
MEAN             47.5              45.2     2.3
DAYS MAX >= 90     42                      11.9
DAYS MAX <= 32     35                      -3.6
DAYS MIN <= 32    172                     -13.1
DAYS MIN <= 0      19                      -0.9

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        24.77   1944
 MINIMUM         8.23   1960
TOTALS          15.89             14.16    1.73
DAYS >= .01        98                      -2.8
DAYS >= .10        41                       1.5
DAYS >= .50         7                       0.8
DAYS >= 1.00        1                      -0.2

DEGREE_DAYS
HEATING TOTAL    6755              7644    -889
COOLING TOTAL     479               420      59

FREEZE DATES
RECORD
 EARLIEST     08/17/2002
 LATEST       06/24/1967
EARLIEST                        09/20
LATEST                          05/19
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.7
RESULTANT WIND SPEED/DIRECTION   3/304
HIGHEST WIND SPEED/DIRECTION    59/320    DATE  11/18
HIGHEST GUST SPEED/DIRECTION    76/310    DATE  11/18


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN               15     RAIN                      24
LIGHT RAIN               75     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                5     SNOW                      11
LIGHT SNOW               51     SLEET                      0
FOG                      88     FOG W/VIS <= 1/4 MILE     11
HAZE                     29

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


&&

...2015 YEAR IN REVIEW FOR SHERIDAN...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR SHERIDAN FOR 2015. ALL TEMPERATURES ARE IN DEGREES
FAHRENHEIT AND ALL PRECIPITATION AMOUNTS ARE IN INCHES. NORMALS
ARE 30 YEAR AVERAGES CALCULATED FROM 1981 TO 2010. MONTHLY AND ANNUAL
RANKINGS FOR PRECIPITATION...SNOWFALL...AND TEMPERATURES USE A PERIOD
OF RECORD THAT STARTED IN MAY 1907 AT OR NEAR THE SHERIDAN AIRPORT.

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

...SHERIDAN MONTHLY PRECIPITATION...

 MONTH   2015 VALUES  NORMALS    DEPARTURE  RANKING

JANUARY      0.45     0.56       -0.11      TIED FOR THE 39TH DRIEST OUT OF 108 YEARS
                                            (RECORD DRIEST WAS 0.03 IN 2004)
                                            (DRIEST SINCE 0.35 IN 2012)

FEBRUARY     1.28     0.54       +0.74      TIED FOR THE 7TH WETTEST OUT OF 108 YEARS
                                            (RECORD WETTEST WAS 2.68 IN 1955)
                                            (WETTEST SINCE 1.52 IN 1986)

MARCH        0.40     0.98       -0.58      TIED FOR THE 9TH DRIEST OUT OF 108 YEARS
                                            (RECORD DRIEST WAS 0.14 IN 1978)
                                            (DRIEST SINCE 0.27 IN 2013)

APRIL        1.43     1.60       -0.17      TIED FOR THE 44TH DRIEST OUT OF 108 YEARS
                                            (RECORD DRIEST WAS 0.18 IN 1980)
                                            (DRIEST SINCE 1.31 IN 2012)

MAY          5.42     2.35       +3.07      7TH WETTEST OUT OF 109 YEARS
                                            (RECORD WETTEST WAS 6.82 IN 1938)
                                            (WETTEST SINCE 5.91 IN 2011)

JUNE         3.05     2.12       +0.93      TIED FOR THE 25TH WETTEST OUT OF 109 YEARS
                                            (RECORD WETTEST WAS 9.54 IN 1944)
                                            (WETTEST SINCE 3.41 IN 2009)

JULY         0.84     1.18       -0.34      TIED FOR THE 49TH DRIEST OUT OF 109 YEARS
                                            (RECORD DRIEST WAS 0.02 IN 1999)
                                            (DRIEST SINCE 0.43 IN 2013)

AUGUST       0.60     0.72       -0.12      49TH DRIEST OUT OF 109 YEARS
                                            (RECORD DRIEST WAS T TIED IN 1970)
                                            (DRIEST SINCE 0.05 IN 2013)

SEPTEMBER    0.27     1.43       -1.16      TIED FOR THE 14TH DRIEST OUT OF 109 YEARS
                                            (RECORD DRIEST WAS T TIED IN 2012)
                                            (DRIEST SINCE T IN 2012)

OCTOBER      1.22     1.41       -0.19      TIED FOR THE 50TH WETTEST OUT OF 109 YEARS
                                            (RECORD WETTEST WAS 3.72 IN 2011)
                                            (WETTEST SINCE 2.47 IN 2013)

NOVEMBER     0.69     0.71       -0.02      TIED FOR THE 51ST DRIEST OUT OF 109 YEARS
                                            (RECORD DRIEST WAS T IN 1939)
                                            (DRIEST SINCE 0.17 IN 2013)

DECEMBER     0.24     0.56       -0.32      TIED FOR THE 19TH DRIEST OUT OF 109 YEARS
                                            (RECORD DRIEST WAS 0.03 IN 1930)
                                            (DRIEST SINCE 0.20 IN 2010)

YEAR        15.89    14.16       +1.73      41ST WETTEST OUT OF 108 YEARS
                                            (RECORD WETTEST WAS 29.79 IN 1923)
                                            (WETTEST SINCE 18.01 IN 2013)

...SHERIDAN 2015 TOP 3 DAILY MAXIMUM PRECIPITATION...

1 - 1.74   MAY 24
2 - 0.98   OCTOBER  3
3 - 0.83   JUNE 10

ALL TIME DAILY PRECIPITATION RECORD...3.32 ON JUNE  3 1944

...SHERIDAN 2015 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

0.38 ON FEBRUARY 15 (OLD RECORD 0.22 IN 1940)
1.74 ON MAY 24 (OLD RECORD 1.45 IN 1939)
0.83 ON JUNE 10 (OLD RECORD 0.76 IN 1963)

...SHERIDAN AVERAGE TEMPERATURES...

 MONTH   2015 VALUES  NORMALS   DEPARTURE  RANKING

JANUARY      26.1      23.8      +2.3      25TH WARMEST OUT OF 108 YEARS
                                           (RECORD WARMEST WAS 35.5 IN 2006)
                                           (WARMEST SINCE 26.6 IN 2014)

FEBRUARY     29.8      26.6      +3.2      27TH WARMEST OUT OF 108 YEARS
                                           (RECORD WARMEST WAS 38.7 IN 1954)
                                           (WARMEST SINCE 30.7 IN 2009)

MARCH        42.1      35.2      +6.9      5TH WARMEST OUT OF 108 YEARS
                                           (RECORD WARMEST WAS 45.5 IN 2012)
                                           (WARMEST SINCE 45.5 IN 2012)

APRIL        44.2      43.6      +0.6      47TH WARMEST OUT OF 108 YEARS
                                           (RECORD WARMEST WAS 52.6 IN 1946)
                                           (WARMEST SINCE 47.4 IN 2012)

MAY          50.2      52.5      -2.3      TIED FOR THE 25TH COLDEST OUT OF 109 YEARS
                                           (RECORD COLDEST WAS 47.4 IN 1907)
                                           (COLDEST SINCE 48.0 IN 2011)

JUNE         66.0      61.6      +4.4      12TH WARMEST OUT OF 109 YEARS
                                           (RECORD WARMEST WAS 74.2 IN 1988)
                                           (WARMEST SINCE 66.7 IN 2006)

JULY         68.8      70.0      -1.2      TIED FOR THE 36TH COLDEST OUT OF 109 YEARS
                                           (RECORD COLDEST WAS 61.2 IN 1915)
                                           (COLDEST SINCE 68.7 IN 2010)

AUGUST       69.3      69.0      +0.3      48TH WARMEST OUT OF 109 YEARS
                                           (RECORD WARMEST WAS 77.8 IN 1983)
                                           (WARMEST SINCE 72.3 IN 2013)

SEPTEMBER    64.1      57.9      +6.2      4TH WARMEST OUT OF 109 YEARS
                                           (RECORD WARMEST WAS 65.3 IN 1963)
                                           (WARMEST SINCE 64.3 IN 1990)

OCTOBER      51.2      45.5      +5.7      10TH WARMEST OUT OF 109 YEARS
                                           (RECORD WARMEST WAS 54.7 IN 1963)
                                           (WARMEST SINCE 52.4 IN 2010)

NOVEMBER     32.4      32.7      -0.3      TIED FOR THE 43RD COLDEST OUT OF 109 YEARS
                                           (RECORD COLDEST WAS 15.5 IN 1985)
                                           (COLDEST SINCE 28.2 IN 2014)

DECEMBER     25.7      22.9      +2.8      TIED FOR THE 47TH WARMEST OUT OF 109 YEARS
                                           (RECORD WARMEST WAS 35.0 IN 1957)
                                           (WARMEST SINCE 28.8 IN 2006)

YEAR         47.6      45.2      +2.4      8TH WARMEST OUT OF 108 YEARS
                                           (RECORD WARMEST WAS 48.8 IN 1934)
                                           (WARMEST SINCE 48.1 IN 2012)

...SHERIDAN AVERAGE HIGH TEMPERATURES...

 MONTH   2015 VALUES  NORMALS   DEPARTURE  RANKING

JANUARY      39.5      36.2      +3.3      TIED FOR THE 20TH WARMEST OUT OF 108 YEARS
                                           (RECORD WARMEST WAS 48.8 IN 2006)
                                           (WARMEST SINCE 41.5 IN 2012)

FEBRUARY     42.6      39.0      +3.6      TIED FOR THE 24TH WARMEST OUT OF 108 YEARS
                                           (RECORD WARMEST WAS 53.2 IN 1954)
                                           (WARMEST SINCE 42.6 IN 2009)

MARCH        57.5      48.4      +9.1      3RD WARMEST OUT OF 108 YEARS
                                           (RECORD WARMEST WAS 61.8 IN 2012)
                                           (WARMEST SINCE 61.8 IN 2012)

APRIL        59.0      57.4      +1.6      30TH WARMEST OUT OF 108 YEARS
                                           (RECORD WARMEST WAS 67.5 IN 1987)
                                           (WARMEST SINCE 62.1 IN 2012)

MAY          61.9      66.7      -4.8      TIED FOR THE 18TH COLDEST OUT OF 109 YEARS
                                           (RECORD COLDEST WAS 57.6 IN 2011)
                                           (COLDEST SINCE 57.6 IN 2011)

JUNE         79.9      76.7      +3.2      TIED FOR THE 19TH WARMEST OUT OF 109 YEARS
                                           (RECORD WARMEST WAS 91.2 IN 1988)
                                           (WARMEST SINCE 83.6 IN 2012)

JULY         85.3      87.1      -1.8      TIED FOR THE 40TH COLDEST OUT OF 109 YEARS
                                           (RECORD COLDEST WAS 73.9 IN 1915)
                                           (COLDEST SINCE 84.7 IN 2010)

AUGUST       87.9      86.3      +1.6      TIED FOR THE 29TH WARMEST OUT OF 109 YEARS
                                           (RECORD WARMEST WAS 95.0 IN 1983)
                                           (WARMEST SINCE 89.7 IN 2013)

SEPTEMBER    83.1      74.2      +8.9      RECORD WARMEST OUT OF 109 YEARS
                                           (OLD RECORD WARMEST WAS 81.5 IN 1990)

OCTOBER      66.3      60.1      +6.2      TIED FOR THE 17TH WARMEST OUT OF 109 YEARS
                                           (RECORD WARMEST WAS 71.0 IN 1944)
                                           (WARMEST SINCE 68.2 IN 2014)

NOVEMBER     46.0      45.9      +0.1      51ST WARMEST OUT OF 109 YEARS
                                           (RECORD WARMEST WAS 59.9 IN 1949)
                                           (WARMEST SINCE 47.1 IN 2013)

DECEMBER     37.7      35.2      +2.5      TIED FOR THE 48TH WARMEST OUT OF 109 YEARS
                                           (RECORD WARMEST WAS 48.5 IN 1957)
                                           (WARMEST SINCE 38.2 IN 2011)

YEAR         62.3      59.6      +2.7      6TH WARMEST OUT OF 108 YEARS
                                           (RECORD WARMEST WAS 63.4 TIED IN 2006)
                                           (WARMEST SINCE 63.3 IN 2012)

...SHERIDAN 2015 TOP 3 WARMEST DAILY HIGH TEMPERATURES...

1 - 104   AUGUST 14
2 - 101   AUGUST 29
3 - 99   AUGUST 11

ALL TIME RECORD WARMEST DAILY HIGH TEMPERATURE...107 ON JULY 14 2002

...SHERIDAN 2015 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

66 ON JANUARY 26 (OLD RECORD 61 IN 2002)
58 ON JANUARY 27 (TIED RECORD IN 1988)
72 ON FEBRUARY  6 (OLD RECORD 59 IN 1934)
68 ON FEBRUARY  7 (OLD RECORD 66 IN 1954)
77 ON MARCH 14 (OLD RECORD 75 IN 1935)
76 ON MARCH 15 (OLD RECORD 70 IN 1996)
80 ON MARCH 28 (OLD RECORD 76 IN 1986)
104 ON AUGUST 14 (OLD RECORD 103 IN 1935)
90 ON SEPTEMBER 24 (TIED RECORD IN 2011)
94 ON SEPTEMBER 25 (OLD RECORD 93 IN 2014)
97 ON SEPTEMBER 26 (OLD RECORD 94 IN 2014)
91 ON OCTOBER 10 (OLD RECORD 88 IN 1996)
69 ON DECEMBER  9 (TIED RECORD IN 1957)

...SHERIDAN 2015 TOP 3 COLDEST DAILY HIGH TEMPERATURES...

1 - 7   JANUARY  4
2 - 10   JANUARY  9
3 - 12   FEBRUARY 26

ALL TIME RECORD COLDEST DAILY HIGH TEMPERATURE...-19 ON FEBRUARY  2 1989

...SHERIDAN 2015 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...SHERIDAN AVERAGE LOW TEMPERATURES...

 MONTH   2015 VALUES  NORMALS   DEPARTURE  RANKING

JANUARY      12.7      11.4      +1.3      35TH WARMEST OUT OF 108 YEARS
                                           (RECORD WARMEST WAS 22.1 IN 2006)
                                           (WARMEST SINCE 14.3 IN 2014)

FEBRUARY     17.0      14.2      +2.8      TIED FOR THE 31ST WARMEST OUT OF 108 YEARS
                                           (RECORD WARMEST WAS 24.8 IN 1991)
                                           (WARMEST SINCE 18.8 IN 2009)

MARCH        26.7      22.0      +4.7      TIED FOR THE 7TH WARMEST OUT OF 108 YEARS
                                           (RECORD WARMEST WAS 30.7 IN 1986)
                                           (WARMEST SINCE 29.2 IN 2012)

APRIL        29.4      29.8      -0.4      TIED FOR THE 36TH COLDEST OUT OF 108 YEARS
                                           (RECORD COLDEST WAS 24.4 IN 2008)
                                           (COLDEST SINCE 24.7 IN 2013)

MAY          38.5      38.2      +0.3      TIED FOR THE 41ST COLDEST OUT OF 109 YEARS
                                           (RECORD COLDEST WAS 34.8 IN 1909)
                                           (COLDEST SINCE 36.7 IN 2012)

JUNE         52.0      46.4      +5.6      7TH WARMEST OUT OF 109 YEARS
                                           (RECORD WARMEST WAS 57.1 IN 1988)
                                           (WARMEST SINCE 57.1 IN 1988)

JULY         52.3      53.0      -0.7      TIED FOR THE 27TH COLDEST OUT OF 109 YEARS
                                           (RECORD COLDEST WAS 46.8 IN 1911)
                                           (COLDEST SINCE 52.0 IN 2014)

AUGUST       50.6      51.6      -1.0      41ST COLDEST OUT OF 109 YEARS
                                           (RECORD COLDEST WAS 44.7 IN 1910)
                                           (COLDEST SINCE 50.0 IN 2009)

SEPTEMBER    45.0      41.6      +3.4      TIED FOR THE 12TH WARMEST OUT OF 109 YEARS
                                           (RECORD WARMEST WAS 50.6 IN 1963)
                                           (WARMEST SINCE 47.1 IN 2013)

OCTOBER      36.0      30.9      +5.1      TIED FOR THE 9TH WARMEST OUT OF 109 YEARS
                                           (RECORD WARMEST WAS 38.9 IN 1963)
                                           (WARMEST SINCE 36.0 IN 2011)

NOVEMBER     18.7      19.4      -0.7      TIED FOR THE 34TH COLDEST OUT OF 109 YEARS
                                           (RECORD COLDEST WAS 6.0 IN 1985)
                                           (COLDEST SINCE 14.2 IN 2014)

DECEMBER     13.6      10.6      +3.0      TIED FOR THE 49TH WARMEST OUT OF 109 YEARS
                                           (RECORD WARMEST WAS 21.5 IN 1957)
                                           (WARMEST SINCE 13.9 IN 2014)

YEAR         32.8      30.9      +1.9      TIED FOR THE 18TH WARMEST OUT OF 108 YEARS
                                           (RECORD WARMEST WAS 34.2 IN 1987)
                                           (WARMEST SINCE 32.9 IN 2012)

...SHERIDAN 2015 TOP 3 WARMEST DAILY LOW TEMPERATURES...

1 - 64   AUGUST 15
2 - 63   AUGUST 27
3 - 63   JUNE 30

ALL TIME RECORD WARMEST DAILY LOW TEMPERATURE...76 ON JULY 28 1935

...SHERIDAN 2015 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

32 ON JANUARY 27 (TIED RECORD IN 2003)
44 ON MARCH 12 (OLD RECORD 42 IN 2007)
47 ON MARCH 15 (OLD RECORD 40 IN 1934)
63 ON JUNE 30 (TIED RECORD IN 2001)
48 ON OCTOBER 10 (OLD RECORD 47 IN 1963)
50 ON OCTOBER 11 (TIED RECORD IN 1942)
47 ON NOVEMBER  1 (OLD RECORD 40 IN 1962)
36 ON DECEMBER  8 (OLD RECORD 32 IN 1940)
39 ON DECEMBER  9 (OLD RECORD 35 IN 1956)

...SHERIDAN 2015 TOP 3 COLDEST DAILY LOW TEMPERATURES...

1 - -13   FEBRUARY 27
2 - -12   JANUARY  9
3 - -9   FEBRUARY 26

ALL TIME RECORD COLDEST DAILY LOW TEMPERATURE...-41 ON DECEMBER  9 1919

...SHERIDAN 2015 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

39 ON AUGUST 19 (TIED RECORD IN 2002)
30 ON AUGUST 23 (OLD RECORD 34 IN 1966)

$$





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