Climatological Report (Monthly)
Issued by NWS

Home | 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 28
000
CXUS55 KTFX 011007
CLMHVR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
238 AM MST MON JAN 1 2018

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

...THE HAVRE MT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1880 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              71   12/05/1939
 LOW              -50   12/24/1983
                        12/25/1884
HIGHEST            60   12/10        34      26       46
LOWEST            -31   12/31         4     -35      -31
AVG. MAXIMUM     29.4              30.2    -0.8     23.1
AVG. MINIMUM     10.9               8.0     2.9      5.5
MEAN             20.1              19.1     1.0     14.3
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     13              13.9    -0.9       17
DAYS MIN <= 32     31              30.0     1.0       31
DAYS MIN <= 0       9               8.5     0.5       13

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.64   1917
 MINIMUM         0.01   2001
                        1986
TOTALS           1.22              0.40    0.82     0.47
DAYS >= .01        11               6.1     4.9
DAYS >= .10         5               1.2     3.8
DAYS >= .50         0               0.0     0.0
DAYS >= 1.00        0               0.0     0.0
GREATEST
 24 HR. TOTAL    0.26   12/28 TO 12/28

SNOWFALL (INCHES)
RECORDS
 TOTAL           27.0   1936
 24 HR TOTAL     10.7
 SNOW DEPTH        18   12/31/2010
                        12/30/2010
TOTALS           18.6               7.4    11.2      7.2
SNOWDEPTH AVG.      3
DAYS >= TRACE      14               6.7     7.3
DAYS >= 1.0         7               2.6     4.4
GREATEST
 SNOW DEPTH        12   12/31                          5
                        12/30
 24 HR TOTAL      4.5   12/28 TO 12/28

DEGREE_DAYS
HEATING TOTAL    1384              1423     -39     1566
 SINCE 7/1       3442              3466     -24     3313
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        526               387     139      344
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              12.4
HIGHEST WIND SPEED/DIRECTION    33/240    DATE  12/12
HIGHEST GUST SPEED/DIRECTION    41/240    DATE  12/12

SKY COVER
AVERAGE SKY COVER           0.50

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               1
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                2     SNOW                       3
LIGHT SNOW               14     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      2
HAZE                      5

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

$$



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