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000
CXUS46 KOTX 011300
CLMLWS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
600 AM PDT SAT JUL 01 2023

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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JUNE 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            115   06/29/2021
 LOW              34   06/01/1951
HIGHEST           98   06/30         MM      MM       99  06/27
LOWEST            46   06/21         MM      MM       48  06/13
                                                          06/14
                                                          06/15
AVG. MAXIMUM    84.3               79.0     5.3     78.0
AVG. MINIMUM    58.3               54.0     4.3     55.1
MEAN            71.3               66.5     4.8     66.6
DAYS MAX >= 90     6                4.1     1.9        3
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        5.67   1884
 MINIMUM        0.01   1883
TOTALS          1.01               1.25   -0.24     3.18
DAILY AVG.      0.03               0.04   -0.01     0.11
DAYS >= .01        6                8.9    -2.9       11
DAYS >= .10        2                4.2    -2.2        9
DAYS >= .50        1                0.4     0.6        1
DAYS >= 1.00       0                0.0     0.0        0
GREATEST
 24 HR. TOTAL   0.89   06/09 TO 06/10               0.96

SNOWFALL (INCHES)
RECORDS
 TOTAL           0.1   1911
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1       11.9               12.7    -0.8       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL      MM                                 0.0

DEGREE DAYS
HEATING TOTAL     21                 61     -40       45
 SINCE 7/1      4906               4981     -75       MM
COOLING TOTAL    218                107     111       98
 SINCE 1/1       348                143     205       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.3
HIGHEST WIND SPEED/DIRECTION    29/170    DATE  06/24
HIGHEST GUST SPEED/DIRECTION    36/170    DATE  06/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.24
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     48

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       0
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       2     FOG W/VIS <= 1/4 MILE      1
HAZE                      0

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

$$

JUNE 2023 BROUGHT WARMER AND DRIER THAN NORMAL CONDITIONS TO
SOUTHEAST WASHINGTON INTO THE SOUTH IDAO PANHANDLE. DESPITE THE WARM
AND DRY MONTH, THERE WERE STILL A COUPLE ACTIVE PERIODS OF
THUNDERSTORMS. ON THE 9TH THUNDERSTORMS PRODUCED TORRENTIAL RAIN AND
FLASH FLOODING IN LEWISTON. SEVERAL ROADS WERE FLOODED INCLUDING
DEBRIS ON ROADWAYS.  SEVERAL VEHICLES BECAME STALLED OR STRANDED IN
THE FLOOD WATERS.  THE LEWISTON AIRPORT RECORDED .53 INCHES OF RAIN
IN 13 MINUTES, WITH .21 INCHES FALLING IN 3 MINUTES. ANOTHER PERIOD
OF THUNDERSTORMS OCCURRED ON THE 12TH AND 13TH, AS WELL AS THE 26TH
THROUGH THE 28TH. THESE STORMS PRODUCED HEAVY RAIN AND PRIMARILY
IMPACTED AREAS IN THE MOUNTAINS. ONE OF THE FEW COOL PERIODS OF THE
SPRING SETTLED IN FROM THE 18TH THROUGH THE 21ST AS A LOW PRESSURE
SYSTEM SAT OVER THE REGION. ON THE 20TH THE PULLMAN AIRPORT ONLY
MANAGED TO REACH 58F.

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