Climatological Report (Monthly)
Issued by NWS Spokane, WA

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CXUS46 KOTX 011213
CLMLWS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
413 AM PST MON JAN 01 2024

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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1881 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             67   12/12/1921
 LOW             -23   12/13/1919
HIGHEST           61   12/05         MM      MM       55  12/27
LOWEST            27   12/01         MM      MM        5  12/22
                       12/17
                       12/24
AVG. MAXIMUM    46.6               40.8     5.8     37.7
AVG. MINIMUM    34.8               29.5     5.3     26.3
MEAN            40.7               35.2     5.5     32.0
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                4.9    -4.9        7
DAYS MIN <= 32    12               20.4    -8.4       24
DAYS MIN <= 0      0                0.1    -0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        4.88   1882
 MINIMUM        0.14   1970
TOTALS          1.22               1.13    0.09     1.19
DAILY AVG.      0.04               0.04    0.00     0.04
DAYS >= .01       15               11.1     3.9       16
DAYS >= .10        3                4.1    -1.1        4
DAYS >= .50        0                0.2    -0.2        0
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.36   12/10 TO 12/10               0.22

SNOWFALL (INCHES)
RECORDS
 TOTAL          19.7   2016
TOTALS           0.5                4.1    -3.6      5.0
SINCE 7/1        0.5                5.4    -4.9       MM
SNOWDEPTH AVG.     0                                   1
DAYS >= 1.0        0                1.3    -1.3       MM
GREATEST
 SNOW DEPTH        1   12/01                           3  12/24
 24 HR TOTAL      MM                                 5.0

DEGREE DAYS
HEATING TOTAL    747                925    -178     1015
 SINCE 7/1      1809               2107    -298       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1      1321                912     409       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.3
HIGHEST WIND SPEED/DIRECTION    28/170    DATE  12/09
HIGHEST GUST SPEED/DIRECTION    35/170    DATE  12/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.57
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               2
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                2     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      9
HAZE                      5

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

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