Climatological Report (Daily)
Issued by NWS Pocatello, ID

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457
CDUS45 KPIH 180730
CLILLJ

CLIMATE REPORT
NATIONAL WEATHER SERVICE POCATELLO ID
130 AM MDT MON AUG 18 2025

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

...THE CHALLIS CLIMATE SUMMARY FOR AUGUST 17 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         74    639 PM  98    2020  85    -11       92
                                      2023
  MINIMUM         56   1159 PM  35    1927  50      6       44
                                      1978
  AVERAGE         65                        67     -2       68

PRECIPITATION (IN)
  YESTERDAY        0.27          0.38 1968   0.02   0.25     0.00
  MONTH TO DATE    0.27                      0.25   0.02     0.22
  SINCE OCT 1      4.44                      5.88  -1.44     4.94
  SINCE JAN 1      3.82                      4.28  -0.46     3.95

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    7                         5      2        4
  SINCE JUN 1    119                       178    -59      110
  SINCE JUL 1     11                        24    -13       14

 COOLING
  YESTERDAY        0                         3     -3        3
  MONTH TO DATE   51                        79    -28       95
  SINCE JUN 1    286                       263     23      396
  SINCE JAN 1    304                       267     37      396
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     3.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           100 PM
 LOWEST     32          1200 AM
 AVERAGE    60

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


THE CHALLIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85        98      2022
 MINIMUM TEMPERATURE (F)   50        33      1914


SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE   644 AM MDT   SUNSET   837 PM MDT
AUGUST 19 2025........SUNRISE   645 AM MDT   SUNSET   835 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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