Climatological Report (Daily)
Issued by NWS Boise, ID

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714
CDUS45 KBOI 180932
CLIBOI

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
332 AM MDT TUE AUG 18 2026

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

...THE BOISE ID CLIMATE SUMMARY FOR AUGUST 17 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         93    428 PM 103    2022  91      2       86
  MINIMUM         69    357 AM  40    1978  61      8       63
  AVERAGE         81                        76      5       75

PRECIPITATION (IN)
  YESTERDAY        T             0.41 1916   0.01  -0.01      T
  MONTH TO DATE    T                         0.09  -0.09     0.02
  SINCE OCT 1     11.85                     11.00   0.85    11.21
  SINCE JAN 1      7.50                      7.47   0.03     6.80

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                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     41                        66    -25       32
  SINCE JUL 1      0                         5     -5        0

 COOLING
  YESTERDAY       16                        11      5       10
  MONTH TO DATE  232                       216     16      192
  SINCE JUN 1    881                       745    136      807
  SINCE JAN 1    937                       790    147      887
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     5.5


SKY COVER
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    48          1100 PM
 LOWEST     21           500 PM
 AVERAGE    35

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


THE BOISE ID CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   90       104      1903
 MINIMUM TEMPERATURE (F)   61        38      1995


SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE   653 AM MDT   SUNSET   843 PM MDT
AUGUST 19 2026........SUNRISE   654 AM MDT   SUNSET   842 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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