Climatological Report (Daily)
Issued by NWS Boise, ID

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979
CDUS45 KBOI 200930
CLIBOI

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
330 AM MDT SUN SEP 20 2026

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

...THE BOISE ID CLIMATE SUMMARY FOR SEPTEMBER 19 2026...

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         76    446 PM  94    1917  79     -3       86
                                      2008
  MINIMUM         53    703 AM  31    1978  52      1       60
  AVERAGE         65                        65      0       73

PRECIPITATION (IN)
  YESTERDAY        T             0.66 1959   0.02  -0.02     0.00
  MONTH TO DATE    0.36                      0.24   0.12     0.06
  SINCE OCT 1     12.21                     11.32   0.89    11.78
  SINCE JAN 1      7.86                      7.79   0.07     7.37

SNOWFALL (IN)
  YESTERDAY        0.0           0.0  2006   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         3     -3        0
  MONTH TO DATE   37                        34      3        3
  SINCE SEP 1     37                        34      3        3
  SINCE JUL 1     38                        47     -9        3

 COOLING
  YESTERDAY        0                         3     -3        8
  MONTH TO DATE   44                        97    -53      154
  SINCE SEP 1     44                        97    -53      154
  SINCE JAN 1   1187                      1012    175     1217
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED     3.8


SKY COVER
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           600 AM
 LOWEST     35           400 PM
 AVERAGE    66

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


THE BOISE ID CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        94      1922
 MINIMUM TEMPERATURE (F)   51        32      1924


SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE   730 AM MDT   SUNSET   746 PM MDT
SEPTEMBER 21 2026.....SUNRISE   731 AM MDT   SUNSET   744 PM MDT


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




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