Climatological Report (Annual)
Issued by NWS Billings, MT

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000
CXUS55 KBYZ 011224
CLASHR


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
443 AM MST MON JAN 1 2018

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

...THE SHERIDAN WY CLIMATE SUMMARY FOR THE YEAR OF 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1907 TO 2017

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           102   07/20
LOWEST            -22   02/03
AVG. MAXIMUM     60.3              59.5     0.8
AVG. MINIMUM     31.3              30.9     0.4
MEAN             45.8              45.2     0.6
DAYS MAX >= 90     42                      11.9
DAYS MAX <= 32     40                       1.4
DAYS MIN <= 32    178                      -7.1
DAYS MIN <= 0      23                       3.1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        24.77   1944
 MINIMUM         8.23   1960
TOTALS          18.77             14.16    4.61
DAYS >= .01       113                      12.2
DAYS >= .10        39                      -0.5
DAYS >= .50        11                       4.8
DAYS >= 1.00        3                       1.8

DEGREE_DAYS
HEATING TOTAL    7359              7644    -285
COOLING TOTAL     481               420      61

FREEZE DATES
RECORD
 EARLIEST     08/17/2002
 LATEST       06/24/1967
EARLIEST        09/26           09/20
LATEST          05/20           05/19
.................................................

WIND (MPH)
AVERAGE WIND SPEED              7.2
RESULTANT WIND SPEED/DIRECTION   2/283
HIGHEST WIND SPEED/DIRECTION    53/320    DATE  04/17
HIGHEST GUST SPEED/DIRECTION    68/230    DATE  11/23


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             35     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                      28
LIGHT RAIN               85     FREEZING RAIN              1
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                6     SNOW                      15
LIGHT SNOW               57     SLEET                      0
FOG                      91     FOG W/VIS <= 1/4 MILE     12
HAZE                     26

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

&&

...2017 YEAR IN REVIEW FOR SHERIDAN...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR SHERIDAN FOR 2017. 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 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   2017 VALUES  NORMALS    DEPARTURE  RANKING

JANUARY      1.04     0.56       +0.48      24TH WETTEST OUT OF 110 YEARS
                                            (RECORD WETTEST WAS 2.21 IN 1918)
                                            (WETTEST SINCE 1.10 IN 2009)

FEBRUARY     0.66     0.54       +0.12      TIED FOR THE 46TH WETTEST OUT OF 110 YEARS
                                            (RECORD WETTEST WAS 2.68 IN 1955)
                                            (WETTEST SINCE 0.89 IN 2016)

MARCH        3.43     0.98       +2.45      RECORD WETTEST OUT OF 110 YEARS
                                            (OLD RECORD WETTEST WAS 3.32 IN 1918)

APRIL        4.60     1.60       +3.00      3RD WETTEST OUT OF 110 YEARS
                                            (RECORD WETTEST WAS 5.52 IN 1925)
                                            (WETTEST SINCE 4.80 IN 1963)

MAY          2.24     2.35       -0.11      51ST DRIEST OUT OF 111 YEARS
                                            (RECORD DRIEST WAS 0.15 IN 1936)
                                            (DRIEST SINCE 1.06 IN 2016)

JUNE         1.11     2.12       -1.01      TIED FOR THE 21ST DRIEST OUT OF 111 YEARS
                                            (RECORD DRIEST WAS 0.07 IN 1933)
                                            (DRIEST SINCE 0.39 IN 2016)

JULY         0.38     1.18       -0.80      28TH DRIEST OUT OF 111 YEARS
                                            (RECORD DRIEST WAS 0.02 IN 1999)
                                            (DRIEST SINCE 0.22 IN 2016)

AUGUST       0.43     0.72       -0.29      TIED FOR THE 35TH DRIEST OUT OF 111 YEARS
                                            (RECORD DRIEST WAS T TIED IN 1970)
                                            (DRIEST SINCE 0.05 IN 2013)

SEPTEMBER    1.89     1.43       +0.46      TIED FOR THE 29TH WETTEST OUT OF 111 YEARS
                                            (RECORD WETTEST WAS 8.18 IN 1923)
                                            (WETTEST SINCE 3.71 IN 2016)

OCTOBER      0.34     1.41       -1.07      TIED FOR THE 10TH DRIEST OUT OF 111 YEARS
                                            (RECORD DRIEST WAS 0.02 IN 1965)
                                            (DRIEST SINCE 0.16 IN 2014)

NOVEMBER     1.54     0.71       +0.83      8TH WETTEST OUT OF 111 YEARS
                                            (RECORD WETTEST WAS 2.41 IN 1991)
                                            (WETTEST SINCE 2.41 IN 1991)

DECEMBER     1.11*    0.56       +0.55      14TH WETTEST OUT OF 111 YEARS
                                            (RECORD WETTEST WAS 2.41 IN 1989)
                                            (WETTEST SINCE 1.12 IN 2013)

YEAR        18.77*   14.16       +4.61      14TH WETTEST OUT OF 110 YEARS
                                            (RECORD WETTEST WAS 29.79 IN 1923)
                                            (WETTEST SINCE 19.36 IN 1978)

...SHERIDAN 2017 TOP 3 DAILY MAXIMUM PRECIPITATION...

1 - 1.71   APRIL 25
2 - 1.60   MAY 17
3 - 1.00   APRIL 27

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

...SHERIDAN 2017 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

0.50 ON JANUARY 31 (OLD RECORD 0.40 IN 1913)
0.67 ON MARCH 23 (OLD RECORD 0.57 IN 1947)
0.52 ON MARCH 28 (OLD RECORD 0.43 IN 1962)
0.97 ON MARCH 31 (OLD RECORD 0.62 IN 1937)
1.71 ON APRIL 25 (OLD RECORD 0.88 IN 1964)
0.70 ON NOVEMBER  1 (OLD RECORD 0.60 IN 1967)
0.44 ON DECEMBER 16 (OLD RECORD 0.30 IN 2016)
0.13 ON DECEMBER 30 (OLD RECORD 0.12 IN 1932)

...SHERIDAN AVERAGE TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

JANUARY      15.8      23.8      -8.0      TIED FOR THE 22ND COLDEST OUT OF 110 YEARS
                                           (RECORD COLDEST WAS 1.8 IN 1916)
                                           (COLDEST SINCE 15.4 IN 1993)

FEBRUARY     29.1      26.6      +2.5      33RD WARMEST OUT OF 110 YEARS
                                           (RECORD WARMEST WAS 38.7 IN 1954)
                                           (WARMEST SINCE 36.9 IN 2016)

MARCH        41.0      35.2      +5.8      TIED FOR THE 7TH WARMEST OUT OF 110 YEARS
                                           (RECORD WARMEST WAS 45.5 IN 2012)
                                           (WARMEST SINCE 42.1 IN 2015)

APRIL        44.4      43.6      +0.8      TIED FOR THE 45TH WARMEST OUT OF 110 YEARS
                                           (RECORD WARMEST WAS 52.6 IN 1946)
                                           (WARMEST SINCE 46.5 IN 2016)

MAY          53.2      52.5      +0.7      TIED FOR THE 49TH WARMEST OUT OF 111 YEARS
                                           (RECORD WARMEST WAS 61.4 IN 1934)
                                           (WARMEST SINCE 53.6 IN 2014)

JUNE         63.3      61.6      +1.7      36TH WARMEST OUT OF 111 YEARS
                                           (RECORD WARMEST WAS 74.2 IN 1988)
                                           (WARMEST SINCE 68.3 IN 2016)

JULY         74.2      70.0      +4.2      9TH WARMEST OUT OF 111 YEARS
                                           (RECORD WARMEST WAS 77.9 IN 1936)
                                           (WARMEST SINCE 75.8 IN 2012)

AUGUST       67.4      69.0      -1.6      TIED FOR THE 41ST COLDEST OUT OF 111 YEARS
                                           (RECORD COLDEST WAS 62.4 IN 1927)
                                           (COLDEST SINCE 66.4 IN 2009)

SEPTEMBER    57.3      57.9      -0.6      TIED FOR THE 45TH COLDEST OUT OF 111 YEARS
                                           (RECORD COLDEST WAS 47.4 IN 1965)
                                           (COLDEST SINCE 54.9 IN 2008)

OCTOBER      45.3      45.5      -0.2      TIED FOR THE 39TH COLDEST OUT OF 111 YEARS
                                           (RECORD COLDEST WAS 34.1 IN 1925)
                                           (COLDEST SINCE 41.9 IN 2013)

NOVEMBER     35.2      32.7      +2.5      TIED FOR THE 32ND WARMEST OUT OF 111 YEARS
                                           (RECORD WARMEST WAS 45.4 IN 1949)
                                           (WARMEST SINCE 39.8 IN 2016)

DECEMBER     23.7      22.9      +0.8      TIED FOR THE 55TH WARMEST OUT OF 111 YEARS
                                           (RECORD WARMEST WAS 35.0 IN 1957)
                                           (WARMEST SINCE 25.7 IN 2015)

YEAR         45.8      45.2      +0.6      TIED FOR THE 31ST WARMEST OUT OF 110 YEARS
                                           (RECORD WARMEST WAS 48.8 IN 1934)
                                           (WARMEST SINCE 48.0 IN 2016)

...SHERIDAN AVERAGE HIGH TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

JANUARY      27.8      36.2      -8.4      22ND COLDEST OUT OF 110 YEARS
                                           (RECORD COLDEST WAS 14.0 IN 1916)
                                           (COLDEST SINCE 27.3 IN 1997)

FEBRUARY     42.3      39.0      +3.3      TIED FOR THE 28TH WARMEST OUT OF 110 YEARS
                                           (RECORD WARMEST WAS 53.2 IN 1954)
                                           (WARMEST SINCE 50.2 IN 2016)

MARCH        53.1      48.4      +4.7      13TH WARMEST OUT OF 110 YEARS
                                           (RECORD WARMEST WAS 61.8 IN 2012)
                                           (WARMEST SINCE 54.3 IN 2016)

APRIL        56.7      57.4      -0.7      TIED FOR THE 53RD WARMEST OUT OF 110 YEARS
                                           (RECORD WARMEST WAS 67.5 IN 1987)
                                           (WARMEST SINCE 59.1 IN 2016)

MAY          67.8      66.7      +1.1      36TH WARMEST OUT OF 111 YEARS
                                           (RECORD WARMEST WAS 78.7 IN 1934)
                                           (WARMEST SINCE 69.5 IN 2009)

JUNE         78.9      76.7      +2.2      29TH WARMEST OUT OF 111 YEARS
                                           (RECORD WARMEST WAS 91.2 IN 1988)
                                           (WARMEST SINCE 87.0 IN 2016)

JULY         93.2      87.1      +6.1      TIED FOR THE 4TH WARMEST OUT OF 111 YEARS
                                           (RECORD WARMEST WAS 95.8 IN 1936)
                                           (WARMEST SINCE 93.7 IN 2012)

AUGUST       85.3      86.3      -1.0      TIED FOR THE 53RD COLDEST OUT OF 111 YEARS
                                           (RECORD COLDEST WAS 76.5 IN 1927)
                                           (COLDEST SINCE 83.1 IN 2014)

SEPTEMBER    72.4      74.2      -1.8      TIED FOR THE 38TH COLDEST OUT OF 111 YEARS
                                           (RECORD COLDEST WAS 59.3 IN 1965)
                                           (COLDEST SINCE 71.4 IN 2008)

OCTOBER      62.1      60.1      +2.0      TIED FOR THE 52ND WARMEST OUT OF 111 YEARS
                                           (RECORD WARMEST WAS 71.0 IN 1944)
                                           (WARMEST SINCE 63.2 IN 2016)

NOVEMBER     48.8      45.9      +2.9      TIED FOR THE 35TH WARMEST OUT OF 111 YEARS
                                           (RECORD WARMEST WAS 59.9 IN 1949)
                                           (WARMEST SINCE 53.8 IN 2016)

DECEMBER     35.5      35.2      +0.3      TIED FOR THE 55TH COLDEST OUT OF 111 YEARS
                                           (RECORD COLDEST WAS 17.5 IN 1983)
                                           (COLDEST SINCE 28.1 IN 2016)

YEAR         60.3      59.5      +0.8      19TH WARMEST OUT OF 110 YEARS
                                           (RECORD WARMEST WAS 63.4 TIED IN 2006)
                                           (WARMEST SINCE 62.7 IN 2016)

...SHERIDAN 2017 TOP 3 WARMEST DAILY HIGH TEMPERATURES...

1 - 102   JULY 20
2 - 100   JULY  9
3 - 100   JULY  5

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

...SHERIDAN 2017 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

64 ON FEBRUARY 15 (OLD RECORD 63 IN 2011)
76 ON MARCH 18 (OLD RECORD 73 IN 1972)
81 ON APRIL 13 (OLD RECORD 80 IN 1915)
88 ON MAY  6 (OLD RECORD 87 IN 1928)
102 ON JULY 20 (TIED RECORD IN 1960)
81 ON OCTOBER 25 (TIED RECORD IN 1977)
74 ON NOVEMBER 23 (OLD RECORD 67 IN 1988)
70 ON DECEMBER 12 (OLD RECORD 66 IN 1921)

...SHERIDAN 2017 TOP 3 COLDEST DAILY HIGH TEMPERATURES...

1 - 2   JANUARY  3
2 - 3   DECEMBER 30
3 - 8   JANUARY 11

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

...SHERIDAN 2017 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

68 ON AUGUST  5 (OLD RECORD 70 IN 1924)

...SHERIDAN AVERAGE LOW TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

JANUARY       3.8      11.4      -7.6      22ND COLDEST OUT OF 110 YEARS
                                           (RECORD COLDEST WAS -10.5 IN 1916)
                                           (COLDEST SINCE 3.6 IN 1985)

FEBRUARY     15.8      14.2      +1.6      TIED FOR THE 42ND WARMEST OUT OF 110 YEARS
                                           (RECORD WARMEST WAS 24.8 IN 1991)
                                           (WARMEST SINCE 23.5 IN 2016)

MARCH        28.9      22.0      +6.9      5TH WARMEST OUT OF 110 YEARS
                                           (RECORD WARMEST WAS 30.7 IN 1986)
                                           (WARMEST SINCE 29.2 IN 2012)

APRIL        32.0      29.8      +2.2      TIED FOR THE 36TH WARMEST OUT OF 110 YEARS
                                           (RECORD WARMEST WAS 38.6 TIED IN 1946)
                                           (WARMEST SINCE 33.8 IN 2016)

MAY          38.6      38.2      +0.4      TIED FOR THE 45TH COLDEST OUT OF 111 YEARS
                                           (RECORD COLDEST WAS 34.8 IN 1909)
                                           (COLDEST SINCE 38.0 IN 2016)

JUNE         47.7      46.4      +1.3      48TH WARMEST OUT OF 111 YEARS
                                           (RECORD WARMEST WAS 57.1 IN 1988)
                                           (WARMEST SINCE 49.6 IN 2016)

JULY         55.2      53.0      +2.2      TIED FOR THE 33RD WARMEST OUT OF 111 YEARS
                                           (RECORD WARMEST WAS 60.0 IN 1936)
                                           (WARMEST SINCE 57.9 IN 2012)

AUGUST       49.4      51.6      -2.2      TIED FOR THE 24TH COLDEST OUT OF 111 YEARS
                                           (RECORD COLDEST WAS 44.7 IN 1910)
                                           (COLDEST SINCE 48.9 IN 2005)

SEPTEMBER    42.1      41.6      +0.5      TIED FOR THE 54TH COLDEST OUT OF 111 YEARS
                                           (RECORD COLDEST WAS 35.4 IN 1965)
                                           (COLDEST SINCE 42.0 IN 2014)

OCTOBER      28.4      30.9      -2.5      14TH COLDEST OUT OF 111 YEARS
                                           (RECORD COLDEST WAS 23.3 IN 1925)
                                           (COLDEST SINCE 27.1 IN 2009)

NOVEMBER     21.5      19.4      +2.1      42ND WARMEST OUT OF 111 YEARS
                                           (RECORD WARMEST WAS 30.9 IN 1949)
                                           (WARMEST SINCE 25.7 IN 2016)

DECEMBER     11.9      10.6      +1.3      MEDIAN OUT OF 111 YEARS
                                           (WARMEST 21.5-1957/COLDEST -3.9-1983)

YEAR         31.3      30.9      +0.4      TIED FOR THE 46TH WARMEST OUT OF 110 YEARS
                                           (RECORD WARMEST WAS 34.2 IN 1987)
                                           (WARMEST SINCE 33.2 IN 2016)

...SHERIDAN 2017 TOP 3 WARMEST DAILY LOW TEMPERATURES...

1 - 61   JULY  6
2 - 61   JULY  4
3 - 60   JULY 20

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

...SHERIDAN 2017 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

41 ON MARCH 16 (TIED RECORD IN 1992)
43 ON MARCH 19 (OLD RECORD 41 IN 1997)
48 ON APRIL 13 (OLD RECORD 44 IN 1976)

...SHERIDAN 2017 TOP 3 COLDEST DAILY LOW TEMPERATURES...

1 - -22   FEBRUARY  3
2 - -15   JANUARY  4
3 - -15   JANUARY  3

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

...SHERIDAN 2017 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

22 ON OCTOBER  4 (OLD RECORD 25 IN 1964)

$$








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