Climatological Report (Annual)
Issued by NWS Glasgow, MT

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CXUS55 KGGW 112002
CLAGGW

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE GLASGOW MT
100 PM MST SAT JAN 11 2013

2013 CLIMATE SUMMARY FOR GLASGOW

      AVG  AVG   AVG   DEP FM                    DEP FM        DEP FM
      HI   LO    TEMP  NORM    MAX  MIN   PCPN    NORM  SNOW    NORM

JAN  24.8   5.2  15.0  +1.2    45   -22    .56   +0.19  13.2   +5.2
FEB  33.7  14.0  24.2  +5.0    46    -1    .10   -0.16   1.5   -2.9
MAR  34.6  13.9  24.3  -7.4    61    -7   1.00   +0.58  13.3   +8.6
APR  49.6  26.8  38.2  -6.7    77    13   1.15   +0.30  11.7   +9.8
MAY  70.2  44.7  57.4  +2.3    91    19   4.46   +2.54     0   -1.2
JUN  75.1  52.1  63.6  -0.4    88    44   4.19   +1.86     0      0
JUL  83.3  56.6  70.0  -1.1    96    47   0.95   +0.83     0      0
AUG  86.9  58.1  72.5  +2.3   100    48   0.18   -1.06     0      0
SEP  76.6  50.6  63.6  +5.4    97    36   1.83   +0.89     0   -0.2
OCT  55.7  30.8  43.3  -1.4    78    21   0.24   -0.51   0.1   -1.2
NOV  39.4  16.4  27.9  -1.4    59   -16   0.35   -0.05   3.6   -1.5
DEC  18.3  -3.5   7.4  -8.9    41   -34   0.86   +0.46  15.1   +7.1

ANN  54.1  30.6  42.3  -0.9   100   -34  15.87   +4.21  58.5  +23.9


...ADDITIONAL TEMPERATURE DATA...

AVERAGE MAX TEMPERATURE:        54.1
AVERAGE MIN TEMPERATURE:        30.6
MEAN TEMPERATURE:               42.3
NORMAL AVERAGE TEMPERATURE:     43.2
DEPTART FROM NORMAL:            -0.9
HIGHEST TEMPERATURE:             100 ON AUG 16
LOWEST TEMPERATURE:              -34 ON DEC 7

# DAYS WITH 90 OR GREATER:        23
# DAYS HIGH TEMP 32 OR COLDER:    82
# DAYS LOW TEMP 32 OR COLDER:    193
# DAYS LOW TEMP 0 OR COLDER:      35

HEATING DEGREE DAYS:            8738
NORMAL HEATING DEGREE DAYS:     8560
HDD DEPART FROM NORMAL:         -178
COOLING DEGREE DAYS:             563
NORMAL COOLING DEGREE DAYS:      494
CDD DEPART FROM NORMAL:          +69


...ADDITIONAL PRECIPITATION DATA...

TOTAL PRECIP:                  15.87
NORMAL PRECIP:                 11.66
DEPART FROM NORMAL:            +4.21
24 HOUR MAX PRECIP:             1.60 ON MAY 30-31
GREATEST STORM TOTAL:           2.03 ON MAY 29-31

# DAYS WITH 0.01 OR MORE:        106
# DAYS WITH 0.10 OR MORE:         39
# DAYS WITH 0.50 OR MORE:          7
# DAYS WITH 1.00 OR MORE:          3


...ADDITIONAL SNOWFALL DATA...

TOTAL SNOWFALL:                 58.5
NORMAL SNOWFALL:                34.8
DEPART FROM NORMAL:            +23.7

# DAYS WITH SNOWFALL:             78
# DAYS WITH 1.0" OR MORE:         16
GREATEST 24 HOUR SNOWFALL:       7.0 ON JAN 11
GREATEST STORM TOTAL SNOWFALL:   7.8 ON JAN 10-11
MAXIMUM SNOW DEPTH:                7 FROM JAN 11-15
                                     FROM APR 15


...WIND DATA...

HIGHEST GUST:                     58 MPH ON JUN 19
HIGHEST SUSTAINED WIND:           41 MPH ON MAY 23


...WEATHER DATA...

# DAYS THUNDERSTORMS:             40
# DAYS FOG:                      134
# DAYS WITH FOG <1/4 MILE:        27
# DAYS HAIL:                       2
# DAYS FREEZING RAIN/ICE PELLETS:  5

$$

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