792
CXUS46 KOTX 012048
CLMLWS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
148 PM PDT MON SEP 01 2025

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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1881 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            115   08/04/1961
 LOW              41   08/20/1945
                       08/24/1992
HIGHEST          104   08/31         MM      MM      111  08/02
LOWEST            57   08/05         MM      MM       50  08/29
AVG. MAXIMUM    91.6               90.1     1.5     90.8
AVG. MINIMUM    63.9               60.3     3.6     61.8
MEAN            77.8               75.2     2.6     76.3
DAYS MAX >= 90    21               16.9     4.1       18
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.96   1989
 MINIMUM        0.00   1917
TOTALS          0.29               0.51   -0.22     0.44
DAILY AVG.      0.01               0.02   -0.01     0.01
DAYS >= .01        7                3.4     3.6        4
DAYS >= .10        1                1.3    -0.3        3
DAYS >= .50        0                0.2    -0.2        0
DAYS >= 1.00       0                0.1    -0.1        0
GREATEST
 24 HR. TOTAL   0.13   08/06 TO 08/07               0.18

SNOWFALL (INCHES)
RECORDS
 TOTAL            MM   MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.0                0.0     0.0       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL      MM                                 0.0

DEGREE DAYS
HEATING TOTAL      0                  6      -6        2
 SINCE 7/1         0                  7      -7       MM
COOLING TOTAL    402                322      80      360
 SINCE 1/1      1100                806     294       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.0
HIGHEST WIND SPEED/DIRECTION    29/300    DATE  08/07
HIGHEST GUST SPEED/DIRECTION    42/300    DATE  08/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.12
NUMBER OF DAYS FAIR           26
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     41

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       1     FOG W/VIS <= 1/4 MILE      0
HAZE                      6

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$