Climatological Report (Monthly)
Issued by NWS

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CXUS55 KTFX 012003
CLMHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
153 PM MDT WED APR 1 2015

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

...THE HELENA MT CLIMATE SUMMARY FOR THE MONTH OF MARCH 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1866 TO 2015

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            76   03/27        52      24       65  03/16
LOWEST              3   03/04        19     -16      -12  03/02
                                                          03/01
AVG. MAXIMUM     57.3              48.2     9.1     45.0
AVG. MINIMUM     32.0              24.3     7.7     24.7
MEAN             44.7              36.3     8.4     34.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      1               2.8    -1.8        3
DAYS MIN <= 32     11              25.4   -14.4       25
DAYS MIN <= 0       0               0.9    -0.9        2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.39   1898
 MINIMUM            T   1881
TOTALS           0.15              0.59   -0.44     0.80
DAYS >= .01         2               7.7    -5.7
DAYS >= .10         1               2.0    -1.0
DAYS >= .50         0               0.0     0.0
DAYS >= 1.00        0               0.0     0.0
GREATEST
 24 HR. TOTAL    0.13   03/17 TO 03/17

SNOWFALL (INCHES)
RECORDS
 TOTAL           26.6   1888
 24 HR TOTAL       MM
TOTALS              T               6.2    -6.2      3.8
SINCE 7/1        24.3              33.5    -9.2
SNOWDEPTH AVG.      0
DAYS >= TRACE       3               5.0    -2.0
DAYS >= 1.0         0               1.9    -1.9
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL       MM

DEGREE_DAYS
HEATING TOTAL     621               891    -270      928
 SINCE 7/1       5629              6452    -823     6444
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.0
HIGHEST WIND SPEED/DIRECTION    41/280    DATE  03/28
HIGHEST GUST SPEED/DIRECTION    57/280    DATE  03/28

SKY COVER
AVERAGE SKY COVER           0.30

AVERAGE RH (PERCENT)     47

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

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

&&

SUMMARY...MARCH STARTED OUT BELOW NORMAL DUE TO AN UPPER LEVEL
TROUGH OF LOW PRESSURE OVER THE WESTERN US. HOWEVER...THE GENERAL
THEME FOR MUCH OF THE MONTH WAS ABOVE TO WELL-ABOVE NORMAL
TEMPERATURES AND BELOW NORMAL PRECIPITATION AS A SEMI-PERSISTENT
UPPER LEVEL HIGH DOMINATED THE WEATHER ACROSS THE WESTERN US.
SEVERAL DAILY RECORD HIGHS WERE BROKEN. THE HIGHEST RECORD OCCURRED
ON THE 27TH WHEN THE TEMPERATURE REACHED 76 DEGREES. MARCH 2015
ENDED UP BEING THE 2ND WARMEST MARCH ON RECORD. WITH THE DRY
CONDITIONS...SNOWFALL WAS WELL BELOW NORMAL AS WELL. THE TRACE OF
SNOW RECORDED WAS THE 2ND LOWEST ON RECORD FOR MARCH.

$$




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