Climatological Report (Monthly)
Issued by NWS Billings, MT

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CXUS55 KBYZ 011142
CLMSHR


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
539 AM MDT THU JUN 1 2017

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

...THE SHERIDAN WY CLIMATE SUMMARY FOR THE MONTH OF MAY 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)
HIGHEST            88   05/06
LOWEST             30   05/20
AVG. MAXIMUM     67.8              66.7     1.1
AVG. MINIMUM     38.6              38.2     0.4
MEAN             53.2              52.5     0.7
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32      1
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
TOTALS           2.24              2.35   -0.11
DAYS >= .01        11
DAYS >= .10         3
DAYS >= .50         1
DAYS >= 1.00        1
GREATEST
 24 HR. TOTAL    1.60   05/17 TO 05/17

DEGREE_DAYS
HEATING TOTAL     355               393     -38
 SINCE 7/1       7223              7494    -271
COOLING TOTAL       0                 4      -4
 SINCE 1/1          0                 4      -4
.................................................

WIND (MPH)
AVERAGE WIND SPEED              7.5
HIGHEST WIND SPEED/DIRECTION    41/320    DATE  05/28
HIGHEST GUST SPEED/DIRECTION    53/330    DATE  05/28

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       3
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       4     FOG W/VIS <= 1/4 MILE      1
HAZE                      0

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

&&

...MAY 2017 MONTH IN REVIEW FOR SHERIDAN...

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

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)

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

NONE

...SHERIDAN AVERAGE TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

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)

...SHERIDAN AVERAGE HIGH TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

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)

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

88 ON MAY  6 (OLD RECORD 87 IN 1928)

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

NONE

...SHERIDAN AVERAGE LOW TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

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)

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

NONE

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

NONE

$$





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