938
CXUS46 KOTX 010906
CLMLWS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
206 AM PDT WED MAY 01 2024

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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1881 TO 2024

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           76   04/02         MM      MM       89  04/29
                       04/13
LOWEST            33   04/18         MM      MM       29  04/05
                       04/19
AVG. MAXIMUM    63.9               62.3     1.6     62.6
AVG. MINIMUM    41.4               40.7     0.7     39.9
MEAN            52.6               51.5     1.1     51.3
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                2.4    -2.4        4
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.29   1978
 MINIMUM        0.05   2021
TOTALS          1.30               1.44   -0.14     1.03
DAILY AVG.      0.04               0.05   -0.01     0.03
DAYS >= .01       13               11.3     1.7       11
DAYS >= .10        6                4.5     1.5        4
DAYS >= .50        0                0.3    -0.3        0
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.57   04/04 TO 04/05               0.25

SNOWFALL (INCHES)
RECORDS
 TOTAL           1.1   1972
TOTALS             T                0.0     0.0        T
SINCE 7/1       13.3               12.7     0.6       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL      MM                                  MM

DEGREE DAYS
HEATING TOTAL    365                407     -42      417
 SINCE 7/1      4366               4732    -366       MM
COOLING TOTAL      0                  2      -2       11
 SINCE 1/1         0                  2      -2       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.2
HIGHEST WIND SPEED/DIRECTION    28/290    DATE  04/21
                                28/280          04/29
HIGHEST GUST SPEED/DIRECTION    40/300    DATE  04/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.41
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     55

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

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

$$