Climatological Report (Monthly)
Issued by NWS Missoula, MT

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CXUS55 KMSO 011411
CLMBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT
711 AM MST WED FEB 1 2017

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

...THE BUTTE MT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              58   01/29/1931
 LOW              -48   01/07/1937
HIGHEST            44   01/30        MM      MM       46
                        01/18
LOWEST            -32   01/05        MM      MM      -19
AVG. MAXIMUM     23.0              31.8    -8.8     29.7
AVG. MINIMUM     -4.2               7.4   -11.6      6.2
MEAN              9.4              19.6   -10.2     17.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     23              14.1     8.9       17
DAYS MIN <= 32     31              30.4     0.6       31
DAYS MIN <= 0      18               8.9     9.1        8

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.36   1928
 MINIMUM            T   1902
TOTALS           0.31              0.47   -0.16     0.34
DAILY AVG.       0.01              0.02   -0.01     0.01
DAYS >= .01         9               6.9     2.1        6
DAYS >= .10         1               1.6    -0.6        1
DAYS >= .50         0               0.0     0.0        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.14   01/30 TO 01/31              0.13
                        01/31 TO 01/31

DEGREE_DAYS
HEATING TOTAL    1718              1407     311
 SINCE 7/1       5652              5371     281
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              3.2
HIGHEST WIND SPEED/DIRECTION    28/310    DATE  01/09
HIGHEST GUST SPEED/DIRECTION    37/250    DATE  01/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC             16
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                0     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                2     SNOW                       2
LIGHT SNOW               14     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      4
HAZE                     20

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

$$


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