Climatological Report (Monthly)
Issued by NWS Spokane, WA

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000
CXUS46 KOTX 011045
CLMLWS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
345 AM PDT SAT APR 01 2023

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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MARCH 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             80   03/30/1923
 LOW               2   03/05/1955
HIGHEST           64   03/19         MM      MM       70  03/23
LOWEST            26   03/01         MM      MM       23  03/10
AVG. MAXIMUM    52.1               55.1    -3.0     56.7
AVG. MINIMUM    33.9               35.7    -1.8     38.6
MEAN            43.0               45.4    -2.4     47.6
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.2    -0.2        0
DAYS MIN <= 32    15                9.1     5.9        4
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        4.07   1931
 MINIMUM        0.25   1969
TOTALS          0.97               1.30   -0.33     0.79
DAILY AVG.      0.03               0.04   -0.01     0.03
DAYS >= .01       15               11.7     3.3        7
DAYS >= .10        3                4.0    -1.0        3
DAYS >= .50        0                0.3    -0.3        0
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.15   03/08 TO 03/08               0.33

SNOWFALL (INCHES)
RECORDS
 TOTAL           9.7   1955
TOTALS           1.2                0.8     0.4      0.0
SINCE 7/1       11.9               12.7    -0.8       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        1                0.2     0.8        0
GREATEST
 SNOW DEPTH        1   03/05                           0  03/22
 24 HR TOTAL      MM                                 0.0

DEGREE DAYS
HEATING TOTAL    672                608      64      528
 SINCE 7/1      4402               4325      77       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.9
HIGHEST WIND SPEED/DIRECTION    36/270    DATE  03/10
HIGHEST GUST SPEED/DIRECTION    44/280    DATE  03/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.58
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     59

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                6     SLEET                      1
FOG                       9     FOG W/VIS <= 1/4 MILE      1
HAZE                      1

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

$$

MARCH 2023 FINISHED COOLER AND DRIER THAN NORMAL ACROSS SOUTHEAST
WASHINGTON INTO THE SOUTH IDAHO PANHANDLE. THE FIRST HALF OF THE
MONTH WAS ACTIVE WITH SEVERAL ROUNDS OF COOL AND SHOWERY CONDITIONS.
SEVERAL ROUNDS OF SNOW FELL MAINLY ABOVE THE LEWISTON-CLARKSTON
VALLEY. MOST OF THE ACCUMULATIONS WERE ON THE LIGHTER SIDE
BUT THERE WERE SOME EXCEPTIONS. ON THE 6TH 5" FELL IN ST MARIES
AND IN PLUMMER.  ON THE 9TH AND 10TH THE PALOUSE RECEIVED SNOW WITH
REPORTS BOTH DAYS RANGING FROM 1 TO 3 INCHES. THE SECOND HALF OF THE
MONTH WAS DRIER WITH GENERALLY QUIET WEATHER.

NO RECORDS WERE SET DURING THE MONTH AT THE LEWISTON AIRPORT.


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