Climatological Report (Monthly)
Issued by NWS Billings, MT

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CXUS55 KBYZ 011141
CLMSHR


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
537 AM MDT SAT OCT 1 2016

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

...THE SHERIDAN WY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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            95   09/02
LOWEST             35   09/10
AVG. MAXIMUM     73.0              74.2    -1.2
AVG. MINIMUM     46.3              41.6     4.7
MEAN             59.7              57.9     1.8
DAYS MAX >= 90      2
DAYS MAX <= 32      0
DAYS MIN <= 32      0
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
TOTALS           3.71              1.43    2.28
DAYS >= .01        13
DAYS >= .10         4
DAYS >= .50         2
DAYS >= 1.00        1
GREATEST
 24 HR. TOTAL    2.49   09/23 TO 09/24

DEGREE_DAYS
HEATING TOTAL     183               241     -58
 SINCE 7/1        226               303     -77
COOLING TOTAL      30                28       2
 SINCE 1/1        549               418     131
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.8
HIGHEST WIND SPEED/DIRECTION    38/320    DATE  09/11
HIGHEST GUST SPEED/DIRECTION    47/310    DATE  09/11

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       6
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      1
HAZE                      1

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

&&

...SEPTEMBER 2016 MONTH IN REVIEW FOR SHERIDAN...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR SHERIDAN FOR SEPTEMBER 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

SEPTEMBER    3.71     1.43       +2.28      5TH WETTEST OUT OF 110 YEARS
                                            (RECORD WETTEST WAS 8.18 IN 1923)
                                            (WETTEST SINCE 4.26 IN 2013)

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

0.43 ON SEPTEMBER 12 (OLD RECORD 0.38 IN 1957)
2.19 ON SEPTEMBER 24 (OLD RECORD 0.68 IN 1927)

...SHERIDAN AVERAGE TEMPERATURES...

 MONTH   2016 VALUES  NORMALS   DEPARTURE  RANKING

SEPTEMBER    59.7      57.9      +1.8      TIED FOR THE 29TH WARMEST OUT OF 110 YEARS
                                           (RECORD WARMEST WAS 65.3 IN 1963)
                                           (WARMEST SINCE 64.1 IN 2015)

...SHERIDAN AVERAGE HIGH TEMPERATURES...

 MONTH   2016 VALUES  NORMALS   DEPARTURE  RANKING

SEPTEMBER    73.0      74.2      -1.2      45TH COLDEST OUT OF 110 YEARS
                                           (RECORD COLDEST WAS 59.3 IN 1965)
                                           (COLDEST SINCE 71.4 IN 2008)

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

NONE

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

NONE

...SHERIDAN AVERAGE LOW TEMPERATURES...

 MONTH   2016 VALUES  NORMALS   DEPARTURE  RANKING

SEPTEMBER    46.3      41.6      +4.7      TIED FOR THE 7TH WARMEST OUT OF 110 YEARS
                                           (RECORD WARMEST WAS 50.6 IN 1963)
                                           (WARMEST SINCE 47.1 IN 2013)

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

55 ON SEPTEMBER 18 (TIED RECORD IN 1984)
51 ON SEPTEMBER 23 (TIED RECORD IN 1962)

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

NONE

$$




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