923
CXUS46 KOTX 011401
CLMLWS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
701 AM PDT SAT JUN 01 2024

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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 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            104   05/28/1934
 LOW              23   05/01/1954
HIGHEST           MM                 MM      MM       95  05/20
LOWEST            35   05/01         MM      MM       43  05/07
                       05/02
                                                          05/10
AVG. MAXIMUM    72.1               72.0     0.1     79.6
AVG. MINIMUM    47.5               48.1    -0.6     53.6
MEAN            59.8               60.0    -0.2     66.6
DAYS MAX >= 90     0                1.0    -1.0        5
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        3.78   1978
 MINIMUM           T   1924
TOTALS          0.79               1.69   -0.90     0.71
DAILY AVG.      0.03               0.05   -0.02     0.02
DAYS >= .01        6               10.6    -4.6        9
DAYS >= .10        1                5.6    -4.6        1
DAYS >= .50        1                0.6     0.4        0
DAYS >= 1.00       0                0.1    -0.1        0
GREATEST
 24 HR. TOTAL   0.59   05/05 TO 05/06               0.44

SNOWFALL (INCHES)
RECORDS
 TOTAL           0.3   1916
TOTALS           0.0                0.0     0.0      0.0
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    178                187      -9       66
 SINCE 7/1      4544               4921    -377       MM
COOLING TOTAL     23                 34     -11      119
 SINCE 1/1        23                 36     -13       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.5
HIGHEST WIND SPEED/DIRECTION    31/290    DATE  05/17
HIGHEST GUST SPEED/DIRECTION    45/300    DATE  05/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.36
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     49

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN               13     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                      1

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

$$