742
CXUS55 KBOI 011740
CLMBOI

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

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

...THE BOISE ID CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1875 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
HIGHEST           94   09/24
LOWEST            43   09/26
AVG. MAXIMUM    79.5               80.0    -0.5
AVG. MINIMUM    53.9               52.6     1.3
MEAN            66.7               66.3     0.4
DAYS MAX >= 90     1
DAYS MAX <= 32     0
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.93   1986
TOTALS          0.05               0.43   -0.38
DAYS >= .01        2
DAYS >= .10        0
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.05   09/18 TO 09/19

DEGREE DAYS
HEATING TOTAL     23                 80     -57        7
 SINCE 7/1        61                 94     -33
COOLING TOTAL     50                119     -69      185
 SINCE 1/1      1226               1034     192
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.8
HIGHEST WIND SPEED/DIRECTION    36/300    DATE  09/25
HIGHEST GUST SPEED/DIRECTION    47/300    DATE  09/25

AVERAGE RH (PERCENT)     45


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

$$