Climatological Report (Monthly)
Issued by NWS Glasgow, MT

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CXUS55 KGGW 012052
CLMGGW

CLIMATE REPORT
NATIONAL WEATHER SERVICE GLASGOW MT
250 PM MDT MON JUN 1 2015

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

...THE GLASGOW CLIMATE SUMMARY FOR THE MONTH OF MAY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             102   05/29/1988
                        05/18/1948
 LOW               15   05/06/1929
HIGHEST            80   05/05                         90  05/28
LOWEST             29   05/18                         26  05/14
AVG. MAXIMUM     67.0              67.8    -0.8     68.3
AVG. MINIMUM     40.4              42.3    -1.9     41.5
MEAN             53.7              55.1    -1.4     54.9
DAYS MAX >= 90      0                                  1
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      5                                  7
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.97   2011
 MINIMUM         0.03   1958
TOTALS           1.32              1.92   -0.60     1.40
DAILY AVG.       0.04              0.06   -0.02     0.05
DAYS >= .01         7                                 10
DAYS >= .10         3                                  4
DAYS >= .50         1                                  1
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.64   05/15 TO 05/16

SNOWFALL (INCHES)
RECORDS
 TOTAL           10.7   1983
 SNOW DEPTH        10   05/13/1983
TOTALS            0.0               1.2    -1.2        T
 LIQUID EQUIV    0.00              0.10   -0.10       MM
SINCE 7/1        43.2              34.8     8.4     30.4
 LIQUID 7/1      4.32              3.50    0.82     3.04
SNOWDEPTH AVG.      0                                  0
DAYS >= TRACE       0                                  1
DAYS >= 1.0         0                                  0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   05/31 TO 05/31

DEGREE_DAYS
HEATING TOTAL     345               324      21      339
 SINCE 7/1       7770              8331    -561     8808
COOLING TOTAL       0                16     -16       34
 SINCE 1/1          0                17     -17       34
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.6
RESULTANT WIND SPEED/DIRECTION   6/091
HIGHEST WIND SPEED/DIRECTION    33/050    DATE  05/16
HIGHEST GUST SPEED/DIRECTION    39/120    DATE  05/23

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     53

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       3     FOG W/VIS <= 1/4 MILE      1
HAZE                      2

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

&&

MAY WAS DRIER AND A LITTLE COOLER THAN NORMAL. THE MONTH ENDED WITH
A TOTAL OF 1.32 INCHES OF RAIN. THAT WAS 0.60 INCHES BELOW THE
NORMAL MONTHLY RAINFALL OF 1.92 INCHES. MOST OF THE RAIN CAME IN A
SYSTEM SPANNING THE 15TH THROUGH THE 17TH...WITH A TOTAL OF 0.73
INCHES DURING THAT TIME FRAME.

THE AVERAGE TEMPERATURE FOR MAY WAS 53.7 DEGREES. THAT WAS 1.4
DEGREES COOLER THAN NORMAL. THE AVERAGE HIGH FOR THE MONTH WAS 67.0
DEGREES...WITH AN AVERAGE LOW OF 40.4 DEGREES. THE HIGH FOR THE
MONTH WAS 80 DEGREES ON THE 5TH...WHILE THE LOWEST READING WAS 29
DEGREES ON THE 18TH. FIVE MORNINGS DIPPED TO 32 DEGREES OR COLDER...
WITH THE LATEST OCCURRING THE 19TH.

THE WIND GUSTED TO 30 MPH OR GREATER ON SEVENTEEN DAY IN MAY. THE
PEAK WIND WAS 39 DEGREES...OCCURRING ON BOTH THE 15TH AND 16TH.

LOOKING AHEAD TO JUNE...NORMAL HIGH TEMPERATURES FOR THE MONTH BEGIN
IN THE LOWER 70S ENDING IN THE LOWER 80S. NORMAL LOWS START OUT IN
THE UPPER 40S WINDING UP IN THE MID 50S. AVERAGE RAINFALL FOR JUNE
IS 2.33 INCHES.

$$

BB





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