Climatological Report (Daily)
Issued by NWS

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823
CDUS46 KBOI 210930
CLIONO

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
330 AM MDT THU AUG 21 2025

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

...THE ONTARIO OR CLIMATE SUMMARY FOR AUGUST 20 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1948 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         94    446 PM 107    1967  93      1       94
  MINIMUM         66    620 AM  41    1964  58      8       66
  AVERAGE         80                        75      5       80

PRECIPITATION (IN)
  YESTERDAY        0.00          0.39 1954   0.01  -0.01     0.00
  MONTH TO DATE    T                         0.09  -0.09     0.02
  SINCE OCT 1     11.84                      9.16   2.68     9.49
  SINCE JAN 1      6.67                      6.25   0.42     7.38

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     27                        34     -7       20
  SINCE JUL 1      0                         2     -2        0

 COOLING
  YESTERDAY       15                        10      5       15
  MONTH TO DATE  242                       257    -15      310
  SINCE JUN 1    889                       847     42     1105
  SINCE JAN 1    946                       906     40     1141
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED    11.7


SKY COVER
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    40           600 AM
 LOWEST     16           500 PM
 AVERAGE    28

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


THE ONTARIO OR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   92       104      1961
                                             1969
 MINIMUM TEMPERATURE (F)   57        41      1974


SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE   659 AM MDT   SUNSET   842 PM MDT
AUGUST 22 2025........SUNRISE   700 AM MDT   SUNSET   840 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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