Climatological Report (Monthly)
Issued by NWS Billings, MT

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CXUS55 KBYZ 011112
CLMSHR


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
509 AM MDT MON JUN 1 2015

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

...THE SHERIDAN WY CLIMATE SUMMARY FOR THE MONTH OF MAY 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)
HIGHEST            77   05/31
                        05/30
LOWEST             26   05/11
AVG. MAXIMUM     61.9              66.7    -4.8
AVG. MINIMUM     38.5              38.2     0.3
MEAN             50.2              52.5    -2.3
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32      6
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
TOTALS           5.42              2.35    3.07
DAYS >= .01        14
DAYS >= .10        10
DAYS >= .50         4
DAYS >= 1.00        1
GREATEST
 24 HR. TOTAL    1.79   05/24 TO 05/25

DEGREE_DAYS
HEATING TOTAL     452               393      59
 SINCE 7/1       7001              7494    -493
COOLING TOTAL       0                 4      -4
 SINCE 1/1          0                 4      -4
.................................................

WIND (MPH)
AVERAGE WIND SPEED              7.9
HIGHEST WIND SPEED/DIRECTION    38/340    DATE  05/30
HIGHEST GUST SPEED/DIRECTION    49/340    DATE  05/30

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                      10
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

&&

...MAY 2015 MONTH IN REVIEW FOR SHERIDAN...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR SHERIDAN FOR MAY 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 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   2015 VALUES  NORMALS    DEPARTURE  RANKING

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)

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

1.74 ON MAY 24 (OLD RECORD 1.45 IN 1939)

...SHERIDAN AVERAGE TEMPERATURES...

 MONTH   2015 VALUES  NORMALS   DEPARTURE  RANKING

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)

...SHERIDAN AVERAGE HIGH TEMPERATURES...

 MONTH   2015 VALUES  NORMALS   DEPARTURE  RANKING

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)

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

NONE

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

NONE

...SHERIDAN AVERAGE LOW TEMPERATURES...

 MONTH   2015 VALUES  NORMALS   DEPARTURE  RANKING

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)

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

NONE

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

NONE

$$




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