Climatological Report (Daily)
Issued by NWS

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373
CDUS45 KBOI 160141
CLITWF

CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
741 PM MDT TUE SEP 15 2026

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

...THE TWIN FALLS ID CLIMATE SUMMARY FOR SEPTEMBER 15 2026...
VALID TODAY AS OF 0700 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1997 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         76    344 PM  93    2002  77     -1       71
  MINIMUM         35R   606 AM  40    2016  47    -12       48
  AVERAGE         56                        62     -6       60

PRECIPITATION (IN)
  TODAY            0.00          0.23 2015   0.01  -0.01     0.00
  MONTH TO DATE    0.05                      0.21  -0.16      T
  SINCE OCT 1      6.46                      9.96  -3.50     6.82
  SINCE JAN 1      4.26                      7.14  -2.88     4.03

DEGREE DAYS
 HEATING
  TODAY            9                         4      5        5
  MONTH TO DATE   56                        47      9        9
  SINCE SEP 1     56                        47      9        9
  SINCE JUL 1     61                        74    -13        9

 COOLING
  TODAY            0                         2     -2        0
  MONTH TO DATE   24                        41    -17       51
  SINCE SEP 1     24                        41    -17       51
  SINCE JAN 1    887                       601    286      816
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     7.8


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    67           500 AM
 LOWEST     22           300 PM
 AVERAGE    45

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


THE TWIN FALLS ID CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        90      2014
 MINIMUM TEMPERATURE (F)   47        37      2006


SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE   718 AM MDT   SUNSET   747 PM MDT
SEPTEMBER 16 2026.....SUNRISE   719 AM MDT   SUNSET   746 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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