Climatological Report (Daily)
Issued by NWS

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902
CDUS45 KBOI 210933
CLIJER

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
333 AM MDT MON SEP 21 2026

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

...THE JEROME ID CLIMATE SUMMARY FOR SEPTEMBER 20 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1915 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         75    438 PM  94    1939  76     -1       84
                                      1984
  MINIMUM         47    629 AM  29    1947  48     -1       54
  AVERAGE         61                        62     -1       69

PRECIPITATION (IN)
  YESTERDAY        T             0.46 1940   0.01  -0.01     0.00
  MONTH TO DATE    0.43                      0.17   0.26      T
  SINCE OCT 1      6.22                      9.74  -3.52     6.72
  SINCE JAN 1      3.55                      6.70  -3.15     3.85

DEGREE DAYS
 HEATING
  YESTERDAY        4                         5     -1        0
  MONTH TO DATE   71                        59     12       16
  SINCE SEP 1     71                        59     12       16
  SINCE JUL 1     74                        78     -4       16

 COOLING
  YESTERDAY        0                         2     -2        4
  MONTH TO DATE   23                        61    -38       79
  SINCE SEP 1     23                        61    -38       79
  SINCE JAN 1    818                       702    116      758
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED     8.2


SKY COVER
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           600 AM
 LOWEST     29           500 PM
 AVERAGE    60

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


THE JEROME ID CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        94      1966
 MINIMUM TEMPERATURE (F)   48        30      1924
                                             1978


SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE   724 AM MDT   SUNSET   737 PM MDT
SEPTEMBER 22 2026.....SUNRISE   725 AM MDT   SUNSET   735 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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