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Climatological Report (Monthly)
Issued by NWS Missoula, MT
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CXUS55 KMSO 021229
CLMBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT
629 AM MDT THU MAY 2 2013

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

...THE BUTTE MT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              83   04/25/1910
 LOW              -16   04/08/1982
HIGHEST            67   04/27        MM      MM       77
LOWEST             10   04/23        MM      MM        4
AVG. MAXIMUM     48.1              51.7    -3.6     55.6
AVG. MINIMUM     23.6              26.3    -2.7     28.5
MEAN             35.9              39.0    -3.1     42.0
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      4               0.7     3.3        1
DAYS MIN <= 32     26              24.3     1.7       22
DAYS MIN <= 0       0               0.1    -0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.14   2006
 MINIMUM         0.12   1974
TOTALS           0.24              1.17   -0.93     1.23
DAILY AVG.       0.01              0.04   -0.03     0.04
DAYS >= .01        10              10.4    -0.4       10
DAYS >= .10         0               4.0    -4.0        4
DAYS >= .50         0               0.2    -0.2        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.08   04/07 TO 04/07              0.41
                        04/06 TO 04/07
                        04/07 TO 04/07

DEGREE_DAYS
HEATING TOTAL     865               780      85
 SINCE 7/1       8280              8391    -111
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.0
HIGHEST WIND SPEED/DIRECTION    35/290    DATE  04/29
HIGHEST GUST SPEED/DIRECTION    47/290    DATE  04/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     55

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                0     SNOW                       3
LIGHT SNOW               11     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      1
HAZE                      6

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

$$
National Weather Service National Headquarters
