Climatological Report (Monthly)
Issued by NWS Boise, ID

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277
CXUS56 KBOI 011740
CLMBNO

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
1140 AM MDT WED OCT 01 2025

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

...THE BURNS OR CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1938 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST           94   09/02
LOWEST            27   09/15
AVG. MAXIMUM    79.7               78.2     1.5
AVG. MINIMUM    39.7               37.4     2.3
MEAN            59.7               57.8     1.9
DAYS MAX >= 90     3
DAYS MAX <= 32     0
DAYS MIN <= 32     8
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.13   1986
TOTALS          0.38               0.38    0.00
DAYS >= .01        6
DAYS >= .10        1
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.19   09/29 TO 09/29

DEGREE DAYS
HEATING TOTAL    181                232     -51
 SINCE 7/1       226                325     -99
COOLING TOTAL     31                 16      15
 SINCE 1/1       260                302     -42
................................................

WIND (MPH)
AVERAGE WIND SPEED              5.8
HIGHEST WIND SPEED/DIRECTION    30/090    DATE  09/06
HIGHEST GUST SPEED/DIRECTION    42/090    DATE  09/06

AVERAGE RH (PERCENT)     50


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

$$