National Weather Service National Headquarters

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXUS55 KTFX 010823
CLMHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
223 AM MDT SUN APR 1 2018

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

...THE HELENA MT CLIMATE SUMMARY FOR THE MONTH OF MARCH 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1866 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              78   03/30/2004
 LOW              -30   03/25/1955
HIGHEST            58   03/30        52       6       76  03/18
LOWEST              8   03/07        19     -11       15  03/10
                                                          03/09
AVG. MAXIMUM     42.9              48.2    -5.3     52.6
AVG. MINIMUM     22.5              24.3    -1.8     30.9
MEAN             32.7              36.3    -3.6     41.8
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      4               2.8     1.2        1
DAYS MIN <= 32     27              25.4     1.6       15
DAYS MIN <= 0       0               0.9    -0.9        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.39   1898
 MINIMUM            T   1881
TOTALS           1.18              0.59    0.59     0.42
DAYS >= .01         9               7.7     1.3
DAYS >= .10         5               2.0     3.0
DAYS >= .50         0               0.0     0.0
DAYS >= 1.00        0               0.0     0.0
GREATEST
 24 HR. TOTAL    0.38   03/15 TO 03/15

SNOWFALL (INCHES)
RECORDS
 TOTAL           26.6   1888
 24 HR TOTAL     10.5   03/28/1888 TO 03/28/1888
TOTALS           10.7               6.2     4.5      2.9
SINCE 7/1        58.6              33.5    25.1
SNOWDEPTH AVG.      2
DAYS >= TRACE      11               5.0     6.0
DAYS >= 1.0         5               1.9     3.1
GREATEST
 SNOW DEPTH         7   03/05
 24 HR TOTAL      5.7   03/04 TO 03/04

DEGREE_DAYS
HEATING TOTAL     993               891     102      713
 SINCE 7/1       7000              6452     548     6513
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.1
HIGHEST WIND SPEED/DIRECTION    41/280    DATE  03/30
HIGHEST GUST SPEED/DIRECTION    54/280    DATE  03/30

SKY COVER
AVERAGE SKY COVER           0.50

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       4
LIGHT SNOW               11     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      4
HAZE                      9

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

$$