Climatological Report (Monthly)
Issued by NWS Boise, ID

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784
CXUS56 KBOI 011740
CLMBNO

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
1140 AM MDT THU OCT 01 2026

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

...THE BURNS OR CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1938 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST           87   09/10
LOWEST            28   09/29
AVG. MAXIMUM    72.8               78.2    -5.4
AVG. MINIMUM    35.8               37.4    -1.6
MEAN            54.3               57.8    -3.5
DAYS MAX >= 90     0
DAYS MAX <= 32     0
DAYS MIN <= 32     9
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.13   1986
TOTALS          0.13               0.38   -0.25
DAYS >= .01        3
DAYS >= .10        1
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.11   09/12 TO 09/12

DEGREE DAYS
HEATING TOTAL    315                232      83
 SINCE 7/1       359                325      34
COOLING TOTAL      0                 16     -16
 SINCE 1/1       293                302      -9
................................................

WIND (MPH)
AVERAGE WIND SPEED              6.0
HIGHEST WIND SPEED/DIRECTION    31/300    DATE  09/12
HIGHEST GUST SPEED/DIRECTION    43/310    DATE  09/12

AVERAGE RH (PERCENT)     57


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

$$