Climatological Report (Annual) Issued by NWS Glasgow, MT
000
CXUS55 KGGW 071607
CLAGGW
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE GLASGOW MT
550 PM MST SUN JAN 6 2013
2012 CLIMATE SUMMARY FOR GLASGOW
AVG AVG AVG DEP FM PCPN DEP FM SNOW DEP FM
HI LO TEMP NORM MAX MIN NORM NORM
JAN 32.6 13.4 23.0 +9.2 56 -22 .15 - .22 2.1 -5.9
FEB 31.6 12.0 21.8 +2.6 45 - 5 .74 + .48 6.0 +1.6
MAR 55.5 28.9 42.2 +10.5 75 4 .41 - .01 4.2 - .5
APR 60.4 34.2 47.3 +2.4 88 19 1.35 + .50 0.1 -1.8
MAY 65.9 40.8 53.3 -1.8 86 29 3.06 +1.14 0 -1.2
JUN 78.1 51.2 64.7 +0.7 101 43 2.36 + .03 0 0
JUL 91.8 60.6 76.2 +5.1 101 51 2.00 + .22 0 0
AUG 87.1 55.0 71.0 +0.8 100 41 .76 - .48 0 0
SEP 77.3 45.0 61.1 +2.9 91 33 .02 - .92 0 - .2
OCT 51.5 31.4 41.4 -3.3 77 20 .98 + .23 1.0 - .3
NOV 35.7 18.6 27.1 -2.2 69 - 8 .73 + .33 12.3 +7.2
DEC 23.3 8.0 15.6 -0.7 51 -12 .49 + .09 9.3 +1.3
ANN 57.6 33.3 45.5 +2.2 101 -22 13.05 + 1.39 35.0 + 0.2
...ADDITIONAL TEMPERATURE DATA...
AVERAGE MAX TEMPERATURE: 57.6
AVERAGE MIN TEMPERATURE: 33.3
MEAN TEMPERATURE: 45.5
NORMAL AVERAGE TEMPERATURE: 43.2
DEPTART FROM NORMAL: +2.3
HIGHEST TEMPERATURE: 101 ON JUNE 26TH AND JULY 19TH
LOWEST TEMPERATURE: -22 ON JANUARY 18TH
# DAYS WITH 90 OR GREATER: 39
# DAYS HIGH TEMP 32 OR COLDER: 70
# DAYS LOW TEMP 32 OR COLDER: 168
# DAYS LOW TEMP 0 OR COLDER: 19
HEATING DEGREE DAYS: 7736
NORMAL HEATING DEGREE DAYS: 8560
HDD DEPART FROM NORMAL: -824
COOLING DEGREE DAYS: 681
NORMAL COOLING DEGREE DAYS: 494
CDD DEPART FROM NORMAL: +187
...ADDITIONAL PRECIPITATION DATA...
TOTAL PRECIP: 13.05
NORMAL PRECIP: 11.66
DEPART FROM NORMAL: +1.39
AVERAGE DAILY PRECIP: 0.04
24 HOUR MAX PRECIP: 1.03 ON JULY 23RD
GREATEST STORM TOTAL: 1.47 ON MAY 26TH-28TH
# DAYS WITH 0.01 OR MORE: 97
# DAYS WITH 0.10 OR MORE: 36
# DAYS WITH 0.50 OR MORE: 7
# DAYS WITH 1.00 OR MORE: 1
...ADDITIONAL SNOWFALL DATA...
TOTAL SNOWFALL: 35.0
NORMAL SNOWFALL: 34.8
DEPART FROM NORMAL: +0.2
# DAYS WITH SNOWFALL: 62
# DAYS WITH 1.0" OR MORE: 10
GREATEST 24 HOUR SNOWFALL: 5.8 ON NOVEMBER 10TH
GREATEST STORM TOTAL SNOWFALL: 12.3 ON NOVEMBER 8TH-11TH
MAXIMUM SNOW DEPTH: 7
...WIND DATA...
HIGHEST GUST: 62 MPH ON JUNE 26
HIGHEST SUSTAINED WIND: 47 MPH ON OCTOBER 17
AVERAGE WIND SPEED: 10.2 MPH
NORMAL WIND SPEED: 10.6 MPH
2012 WIND DEPT NORM: -0.4 MPH
...SKY AND WEATHER DATA...
# DAYS WITH CLEAR/MOSTLY CLEAR: 228
# DAYS PARTLY CLOUDY: 84
# DAYS CLOUDY: 53
# DAYS THUNDERSTORMS: 26
# DAYS RAIN: 97
# DAYS SNOW: 61
# DAYS FOG: 91
# DAYS WITH FOG <1/4 MILE: 30
# DAYS HAZE: 35
# DAYS HAIL: 0
# DAYS FREEZING RAIN/ICE PELLETS: 4
&&
2012 WOUND UP BEING THE 8TH WARMEST YEAR ON RECORD IN GLASGOW...
WITH AN OVERALL AVERAGE TEMPERATURE OF 45.5 DEGREES...WHICH WAS 2.3
DEGREES WARMER THAN THE YEARLY NORMAL OF 43.2 DEGREES. THE AVERAGE
HIGH TEMPERATURE FOR THE YEAR WAS 57.6 DEGREES...WHILE THE AVERAGE
LOW WAS 33.3 DEGREES.
THE FIRST FOUR MONTHS...AND EIGHT OF THE FIRST NINE MONTHS...WERE
WARMER THAN NORMAL. THE YEAR ENDED WITH THE FINAL THREE MONTHS BEING
COOLER THAN NORMAL.
JANUARY TO APRIL WAS MUCH WARMER THAN NORMAL. IN FACT...THE FIRST
THRID OF THE YEAR WAS THE FOURTH WARMEST ON RECORD FOR THAT PERIOD.
THE AVERAGE TEMPERATURE FOR THE FIRST FOUR MONTHS OF THE YEAR WAS
33.3 DEGREES...WHICH WAS 6.4 DEGREES WARMER THAN NORMAL. THE MONTH
OF JANUARY WAS THE 8TH WARMEST JANUARY ON RECORD...WITH AN AVERAGE
OF 23.0 DEGREES...WHILE MARCH WAS THE WARMEST MARCH EVER ON
RECORD...WITH AN AVERAGE TEMPERATURE OF 42.2 DEGREES.
THE MONTH OF JULY WAS ALSO NOTABLE WITH AN AVERAGE OF 76.2
DEGREES...MAKING IT THE 5TH WARMEST JULY ON RECORD.
THE YEAR ENDED WITH 13.05 INCHES OF MOISTURE...WHICH WAS 1.39 INCHES
ABOVE NORMAL. 2012 MARKS THE THIRD STRAIGHT YEAR...AND THE FIFTH OUT
OF THE LAST SIX YEARS...WITH ABOVE NORMAL PRECIPITATION...2009 BEING
THE ONLY OF THOSE YEARS BELOW NORMAL.
35.0 INCHES OF SNOW FELL DURING THE CALENDAR YEAR OF 2012...MAKING
IT ALMOST EXACTLY A NORMAL YEAR. THE NORMAL SNOW FALL FOR A YEAR IS
34.8 INCHES.
$$
BB