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000
CXUS46 KOTX 010840
CLMLWS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
140 AM PDT MON MAY 01 2023

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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 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             98   04/28/1939
 LOW              20   04/19/1966
HIGHEST           89   04/29         MM      MM       75  04/07
LOWEST            29   04/05         MM      MM       27  04/15
AVG. MAXIMUM    62.6               62.3     0.3     57.4
AVG. MINIMUM    39.9               40.7    -0.8     37.3
MEAN            51.3               51.5    -0.3     47.3
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     4                2.4     1.6        6
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.29   1978
 MINIMUM        0.05   2021
TOTALS          1.03               1.44   -0.41     1.96
DAILY AVG.      0.03               0.05   -0.02     0.07
DAYS >= .01       11               11.3    -0.3       13
DAYS >= .10        4                4.5    -0.5        5
DAYS >= .50        0                0.3    -0.3        1
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.25   04/11 TO 04/11               0.59
                       04/17 TO 04/18

SNOWFALL (INCHES)
RECORDS
 TOTAL           1.1   1972
TOTALS             T                0.0     0.0      0.6
SINCE 7/1       11.9               12.7    -0.8       MM
SNOWDEPTH AVG.     0                                  -1
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                  MM  MM
 24 HR TOTAL      MM                                 0.6

DEGREE DAYS
HEATING TOTAL    417                407      10      521
 SINCE 7/1      4819               4732      87       MM
COOLING TOTAL     11                  2       9        0
 SINCE 1/1        11                  2       9       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.4
HIGHEST WIND SPEED/DIRECTION    35/300    DATE  04/16
HIGHEST GUST SPEED/DIRECTION    43/290    DATE  04/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.47
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     56

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       3     FOG W/VIS <= 1/4 MILE      0
HAZE                      2

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

$$