000
CXUS55 KMSO 052332
CLMBTM

CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
532 PM MDT THU OCT 05 2023

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

...THE BUTTE MT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             96   09/03/2022
 LOW               3   09/24/1926
HIGHEST           82   09/01         MM      MM       96
LOWEST            27   09/28         MM      MM       29
AVG. MAXIMUM    69.4               69.1     0.3     74.4
AVG. MINIMUM    39.3               36.5     2.8     39.7
MEAN            54.3               52.8     1.5     57.1
DAYS MAX >= 90     0                0.3    -0.3        3
DAYS MAX <= 32     0                0.1    -0.1        0
DAYS MIN <= 32     4                8.7    -4.7        3
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.54   1947
 MINIMUM        0.00   1904
TOTALS          2.40               1.07    1.33     1.46
DAILY AVG.      0.08               0.04    0.04     0.05
DAYS >= .01       10                6.9     3.1        8
DAYS >= .10        4                3.1     0.9        4
DAYS >= .50        3                0.6     2.4        1
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   1.04   09/03 TO 09/04               0.79


DEGREE DAYS
HEATING TOTAL    314                368     -54
 SINCE 7/1       452                583    -131
COOLING TOTAL      3                  2       1
 SINCE 1/1        73                 83     -10
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              4.9
HIGHEST WIND SPEED/DIRECTION    26/300    DATE  09/06
                                26/170          09/25
HIGHEST GUST SPEED/DIRECTION    45/270    DATE  09/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       6
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

$$