Climatological Report (Monthly)
Issued by NWS Glasgow, MT

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
000
CXUS55 KGGW 011844
CLMGGW

GGWCLMGGW
TTAA00 KGGW

CLIMATE REPORT
NATIONAL WEATHER SERVICE GLASGOW MT
1140 AM MST TUE JAN 1 2019

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

...THE GLASGOW CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              69   12/08/1939
                        12/03/1939
 LOW              -47   12/18/1929
                        12/19/1924
HIGHEST            44   12/19                         56  12/09
                        12/18
LOWEST             -9   12/31                        -32  12/31
                        12/07
AVG. MAXIMUM     30.7              26.0     4.7     26.5
AVG. MINIMUM     15.1               6.6     8.5      7.8
MEAN             22.9              16.3     6.6     17.1
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32     17                                 15
DAYS MIN <= 32     31                                 31
DAYS MIN <= 0       4                                  9

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         1.49   1949
 MINIMUM            T   1932
TOTALS           0.70              0.40    0.30     0.72
DAILY AVG.       0.02              0.01    0.01     0.02
DAYS >= .01         7                                 11
DAYS >= .10         2                                  2
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.40   12/01 TO 12/01

SNOWFALL (INCHES)
RECORDS
 TOTAL           25.3   2008
 SNOW DEPTH        15   12/30/2003
                        12/31/1996
                        12/30/1996
TOTALS            6.9               8.0    -1.1     13.1
 LIQUID EQUIV    0.69              0.80   -0.11     1.31
SINCE 7/1        13.4              14.6    -1.2     14.7
 LIQUID 7/1      1.34              1.50   -0.16     1.47
SNOWDEPTH AVG.      2                                  2
DAYS >= TRACE      14                                 14
DAYS >= 1.0         3                                  4
GREATEST
 SNOW DEPTH         5   12/06                          6  12/31
                        12/05
                        12/04
 24 HR TOTAL      3.2   12/01 TO 12/01

DEGREE_DAYS
HEATING TOTAL    1297              1509    -212     1477
 SINCE 7/1       3338              3502    -164     3412
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        719               533     186      684
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.4
RESULTANT WIND SPEED/DIRECTION   1/045
HIGHEST WIND SPEED/DIRECTION    31/290    DATE  12/21
HIGHEST GUST SPEED/DIRECTION    40/290    DATE  12/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     78

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

&&

DECEMBER WAS WARMER AND WETTER THAN NORMAL.

TEMPERATURES HAD THE NORMAL SEE-SAW THROUGH THE MONTH WITH ONLY A
COUPLE OF MINOR COLD BLASTS WHERE THE TEMPERATURE DROPPED BELOW
ZERO. THAT OCCURRED ON THE 6TH THROUGH THE 8TH, THEN AGAIN ON THE
31ST. THE LACK OF COLD WAS A BIT UNUSUAL GIVEN THE THICK SNOW LAYED
DOWN EARLY IN THE MONTH. A RECORD HIGH MINIMUM TEMPERATURE WAS SET
ON THE 19TH WITH A MINIMUM OF 29.

THE GREATEST PRECIPITATION EVENT CAME ON THE 1ST AND 2ND, WHERE 5.1
INCHES OF SNOW FELL. THE NEXT EVENT CAME AT THE END OF THE MONTH
WHERE AN INCH OF SNOW FELL. TOTAL LIQUID PRECIPITATION FOR THE MONTH
TOTALED 0.70 INCHES, WITH 6.9 INCHES OF SNOW.

THE WIND WASN`T TOO UNUSUAL WITH STRONGEST WIND GUST OF 40 MPH
OCCURRING ON THE 21ST FROM THE WEST.

LOOKING AHEAD TO JANUARY, NORMAL HIGHS START OUT AT 23 AND END WITH
25 AT THE END OF THE MONTH. NORMAL LOWS BEGIN WITH A 4 ON THE 1ST
AND END WITH 6. NORMAL LIQUID PRECIPITATION IS 0.37 INCHES AND
NORMAL SNOW IS 8 INCHES.

$$

TFJ


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.