Climatological Report (Monthly)
Issued by NWS Glasgow, MT

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CXUS55 KGGW 011407 CCA
CLMGGW

CLIMATE REPORT...CORRECTION
NATIONAL WEATHER SERVICE GLASGOW MT
755 AM MDT SAT JUN 1 2013

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

...THE GLASGOW CLIMATE SUMMARY FOR THE MONTH OF MAY 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2013

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            91   05/13                         86  05/16
LOWEST             19   05/01                         29  05/11
AVG. MAXIMUM     70.2              67.8     2.4     65.9
AVG. MINIMUM     44.7              42.3     2.4     40.8
MEAN             57.4              55.1     2.3     53.3
DAYS MAX >= 90      1                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      3                                  1
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.97   2011
 MINIMUM         0.03   1958
TOTALS           4.46              1.92    2.54     3.06
DAILY AVG.       0.14              0.06    0.08     0.10
DAYS >= .01        12                                 14
DAYS >= .10         8                                  7
DAYS >= .50         2                                  3
DAYS >= 1.00        2                                  0
GREATEST
 24 HR. TOTAL    1.60   05/30 TO 05/31

SNOWFALL (INCHES)
RECORDS
 TOTAL           10.7   1983
 SNOW DEPTH        10   05/13/1983
TOTALS            0.0               1.2    -1.2      0.0
 LIQUID EQUIV    0.00              0.10   -0.10     0.00
SINCE 7/1        62.3              34.8    27.5     25.7
 LIQUID 7/1      6.23              3.50    2.73     2.57
SNOWDEPTH AVG.      0                                  0
DAYS >= TRACE       0                                  0
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     235               324     -89      361
 SINCE 7/1       8494              8331     163     7088
COOLING TOTAL       9                16      -7        7
 SINCE 1/1          9                17      -8       10
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.2
RESULTANT WIND SPEED/DIRECTION   5/077
HIGHEST WIND SPEED/DIRECTION    41/140    DATE  05/23
HIGHEST GUST SPEED/DIRECTION    49/140    DATE  05/23

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     54

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       6
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      2
HAZE                      3

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

&&

THE MONTH OF MAY STARTED OFF VERY DRY...BUT WOUND UP BEING THE 10TH
WETTEST MAY ON RECORD THANKS TO A VERY WET END TO THE MONTH. A TOTAL
OF 4.46 INCHES OF RAIN WAS RECORDED FOR THE MONTH...WHICH WAS
2.54 INCHES MORE THAN NORMAL. A THUNDERSTORM ON THE 25TH DROPPED
1.53 INCHES OF RAIN...WHILE A LATE MONTH STORM ON THE 29TH THROUGH
THE 31ST BROUGHT AN ADDITIONAL 2.03 INCHES OF RAIN. THUNDER OCCURRED
IN GLASGOW ON SEVEN DAYS IN MAY...WHILE HAIL FELL ON ONE DAY.

THE AVERAGE TEMPERATURE FOR THE MONTH 57.4 DEGREES...WHICH WAS 2.3
DEGREES WARMER THAN NORMAL. THE AVERAGE HIGH TEMPERATURE WAS 70.7
DEGREES...WHILE THE AVERAGE LOW WAS 44.7 DEGREES. HIGH TEMPERATURES
WERE MOSTLY IN THE 60S AND 70S...WITH ONLY FOUR DAYS REACHING 80
DEGREES OR WARMER. THE WARMEST DAY WAS THE 13TH...WHEN THE HIGH
TEMPERATURE REACHED 91 DEGREES. LOW TEMPERATURES FOR THE MONTH WERE
GENERALLY IN THE 40S AND 50S. HOWEVER...THERE WERE THREE DAYS WHEN
THE LOW DIPPED BELOW FREEZING. THE COLDEST DAY OCCURRED ON THE 1ST...
WITH A LOW OF 19 DEGREES.

NORMAL TEMPERATURES FOR THE MONTH OF JUNE START OUT WITH HIGHS IN
THE LOWER 70S AND LOWS IN THE UPPER 40S. BY MONTHS END...NORMAL
HIGHS ARE IN THE LOWER 80S WITH LOWS IN THE MID 50S. JUNE IS
NORMALLY THE WETTEST MONTH...WITH A NORMAL PRECIPITATION TOTAL OF
2.33 INCHES.

$$

BB





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