Climatological Report (Monthly)
Issued by NWS

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CXUS55 KTFX 010917
CLMHVR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
317 AM MDT WED NOV 1 2017

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

...THE HAVRE MT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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              91   10/03/1943
 LOW              -21   10/29/1991
HIGHEST            78   10/19        66      12       76
LOWEST              6   10/04        24     -18        8
AVG. MAXIMUM     55.7              58.2    -2.5     52.9
AVG. MINIMUM     28.8              30.4    -1.6     31.7
MEAN             42.3              44.3    -2.0     42.3
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      1               1.0     0.0        3
DAYS MIN <= 32     20              17.1     2.9       16
DAYS MIN <= 0       0               0.3    -0.3        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.52   2016
 MINIMUM            T   1889
TOTALS           1.92              0.58    1.34     3.52
DAYS >= .01         8               5.7     2.3
DAYS >= .10         2               2.0     0.0
DAYS >= .50         2               0.2     1.8
DAYS >= 1.00        1               0.0     1.0
GREATEST
 24 HR. TOTAL    1.19   10/02 TO 10/02

SNOWFALL (INCHES)
RECORDS
 TOTAL           15.7   1898
 24 HR TOTAL      8.6
 SNOW DEPTH         9   10/31/1991
TOTALS           13.0               2.0    11.0      5.5
SNOWDEPTH AVG.      1
DAYS >= TRACE       3               1.2     1.8
DAYS >= 1.0         2               0.7     1.3
GREATEST
 SNOW DEPTH        13R  10/03                          4
 24 HR TOTAL      9.1R  10/02 TO 10/02

DEGREE_DAYS
HEATING TOTAL     697               642      55      697
 SINCE 7/1        961               999     -38     1013
COOLING TOTAL       0                 1      -1        0
 SINCE 1/1        526               387     139      344
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              13.5
HIGHEST WIND SPEED/DIRECTION    48/270    DATE  10/22
HIGHEST GUST SPEED/DIRECTION    60/290    DATE  10/17

SKY COVER
AVERAGE SKY COVER           0.30

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                2     SNOW                       2
LIGHT SNOW                3     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      5
HAZE                      0

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

$$


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