Climatological Report (Monthly)
Issued by NWS Spokane, WA

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
CXUS46 KOTX 011141
CLMLWS

CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE, WA
413 AM PDT WED JUL 1 2015

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

...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JUNE 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1881 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             111   06/28/2015
 LOW               34   06/01/1951
HIGHEST           111R  06/28        MM      MM       92  06/23
LOWEST             50   06/14        MM      MM       46  06/15
AVG. MAXIMUM     89.8              78.5    11.3     79.1
AVG. MINIMUM     60.5              53.4     7.1     53.7
MEAN             75.2              66.0     9.2     66.4
DAYS MAX >= 90     14               3.9    10.1        1
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           1.22              1.24   -0.02     0.95
DAILY AVG.       0.04              0.04    0.00     0.03
DAYS >= .01         2               8.8    -6.8        8
DAYS >= .10         2               4.3    -2.3        6
DAYS >= .50         1               0.3     0.7        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    1.18   06/01 TO 06/02           06/17 TO 06/18

SNOWFALL (INCHES)
RECORDS
 TOTAL            0.0   MM
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         1.5              10.5    -9.0     16.5
SNOWDEPTH AVG.      0               0.0     0.0        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   MM                             0  MM

DEGREE_DAYS
HEATING TOTAL       2                70     -68       41
 SINCE 7/1       4208              5167    -959     5330
COOLING TOTAL     315                98     217       90
 SINCE 1/1        367               130     237      118
.................................................

WIND (MPH)
AVERAGE WIND SPEED              5.3
HIGHEST WIND SPEED/DIRECTION    39/170    DATE  06/01
HIGHEST GUST SPEED/DIRECTION    46/170    DATE  06/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)    0
AVERAGE SKY COVER           0.10
NUMBER OF DAYS FAIR           28
NUMBER OF DAYS PC              1
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     39

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                8     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      0
HAZE                      0

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

&&

--------------------------------------------------------------------

JUNE 2015 WAS THE WARMEST JUNE ON RECORD FOR SOUTHEAST WASHINGTON
INTO THE SOUTH IDAHO PANHANDLE.  LEWISTON RECORDED AN AVERAGE
TEMPERATURE OF 75.2 DEGREES...THE WARMEST EVER RECORDED FOR THE MONTH
OF JUNE. MOST OF THE MONTH HAD ABOVE NORMAL TEMPERATURES WITH A HEAT
WAVE OCCURRING FROM THE 6TH THROUGH THE 10TH...AND THEN A HISTORIC
HEAT WAVE FROM THE 26TH THROUGH THE 30TH. THE HOT TEMPERATURES
PEAKED ON THE 28TH.  THE LEWISTON AIRPORT RECORDED A HIGH
TEMPERATURE OF 111 DEGREES SETTING A NEW RECORD FOR THE MONTH OF
JUNE.  OTHER NOTEWORTHY HIGH TEMPS FROM THE 28TH INCLUDE 107 IN
RITZVILLE AND 105 IN PULLMAN. NIGHT TIME LOWS WERE ALSO ABNORMALLY
WARM...WITH A LOW OF 79 DEGREES ON THE 29TH SETTING A RECORD FOR THE
WARMEST LOW TEMPERATURES FOR THE MONTH OF JUNE.

MOST OF THE MONTH WAS SUNNY AND DRY...EXCEPT FOR STRONG
THUNDERSTORMS ON THE 1ST. THUNDERSTORMS PRODUCED EXTREMELY HEAVY
RAINFALL.  LEWISTON RECORDED .70 INCHES OF RAIN IN 30 MINUTES.  THIS
LED TO SIGNIFICANT FLOODING WITH WATER OVER ROADS...WITH
ROCK...MUD...AND DEBRIS ON US 95 ON THE LEWISTON GRADE NORTH OF
LEWISTON.  IN LEWISTON RETAINING WALLS WERE WASHED OUT IN PORT
DISTRICT.  URBAN FLOODING WAS OBSERVED WITH WATER SEVERAL INCHES
DEEP. IN JULIETTA...1.10 INCHES OF RAIN FELL IN 20 MINUTES.  THE
STORMS ALSO RESULTED IN WIND DAMAGE NEAR CULDESAC AND PECK WITH
REPORTS OF TREES BLOWN DOWN.

SEVERAL TEMPERATURE RECORDS WERE SET OR TIED DURING THE MONTH AT THE
LEWISTON AIRPORT.  RECORDS HIGHS OF 100...107...AND 111 WERE SET ON
THE 8TH...27TH...AND 28TH RESPECTIVELY.  THE HIGH OF 111 SET A NEW
RECORD FOR THE MONTH OF JUNE.  RECORD WARM LOW TEMPERATURES OF 78
AND 79 DEGREES WERE SET ON THE 28TH AND 29TH.  THE LOW OF 79 ON THE
29TH SET A NEW RECORD FOR THE WARMEST JUNE LOW TEMPERATURE.

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.