Climatological Report (Monthly)
Issued by NWS Medford, OR

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026
CXUS56 KMFR 011025
CLMMFR

CLIMATE REPORT
NATIONAL WEATHER SERVICE MEDFORD, OR
325 AM PDT FRI JUL 1 2016

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

...THE MEDFORD OR CLIMATE SUMMARY FOR THE MONTH OF JUNE 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1911 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             111   06/22/1992
 LOW               31   06/12/1952
HIGHEST           101   06/06                        107  06/26
LOWEST             44   06/11                         50  06/14
                                                          06/03
AVG. MAXIMUM     85.0              81.6     3.4     91.3
AVG. MINIMUM     55.1              52.0     3.1     58.3
MEAN             70.0              66.8     3.2     74.8
DAYS MAX >= 90     13               6.3     6.7       21
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         3.49   1931
TOTALS           0.57              0.62   -0.05     0.31
DAILY AVG.       0.02              0.02    0.00     0.01
DAYS >= .01         4               4.2    -0.2        3
DAYS >= .10         3               2.0     1.0        1
DAYS >= .50         0               0.2    -0.2        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.27   06/16 TO 06/17

SNOWFALL (INCHES)
RECORDS
 TOTAL            0.0   2010
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         1.9               4.1    -2.2        T

DEGREE_DAYS
HEATING TOTAL      40                54     -14       10
 SINCE 7/1       3460              4251    -791     3246
COOLING TOTAL     201               108      93      311
 SINCE 1/1        262               146     116      356

FREEZE DATES
RECORD
 EARLIEST     09/13/1921
 LATEST       06/12/1952
EARLIEST      11/07             10/18
LATEST        02/29             04/29
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.5
HIGHEST WIND SPEED/DIRECTION    26/010    DATE  06/06
HIGHEST GUST SPEED/DIRECTION    34/030    DATE  06/06

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           22
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     48

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                6     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.

&&

THE DOMINANT WEATHER PATTERN OF JUNE 2016 WAS A BROAD AREA OF HIGH
PRESSUREBRINGING EASTERLY WINDS AND ALLOWING THE THERMAL TROUGH TO MOVE
NORTHWARD INTOTHE ROGUE VALLEY. THIS PATTERN BEGAN EARLY AND ALLOWED JUNE TO
START OFF WITHTEMPERATURES SOARING INTO THE TRIPLE DIGITS. IN FACT, TWO RECORD
HIGHS OF 100DEGREES WERE TIED DURING THIS INITIAL HEAT WAVE OF THE 4TH AND 5TH.
ALTHOUGH THE6TH WAS EVEN WARMER, IT DID NOT BREAK A RECORD HIGH. THE WARM
WEATHER ALSOBROUGHT ISOLATED SHOWERS AND THUNDERSTORMS ACROSS PORTIONS OF
SOUTHERN OREGONAND NORTHERN CALIFORNIA--SOME OF WHICH BECAME SEVERE.

THE OVERALL PATTERN CHANGED RAPIDLY AS A STRONG COLD FRONT PUSHED THROUGH
OURFORECAST AREA ON THE 8TH. THIS FRONT WAS RESPONSIBLE FOR A 30 DEGREE DROP
INTHE MAXIMUM TEMPERATURE SPANNING 3 DAYS (7TH-10TH). THE OVERALL MEAN
TEMPERATURESAW A SIGNIFICANT DECLINE IN TEMPERATURES (23 DEGREES) IN THOSE SAME
THREE DAYS.BEGINNING ON THE 15TH, THE SHOWERS AND STORMS FINALLY MOVED OVER
MEDFORD. THISSYSTEM PRODUCED NEARLY THE JUNE MONTHLY AVERAGE FOR RAINFALL IN
THE SPAN ON 4DAYS (15TH-18TH). AFTER THE FRONT EXITED THE AREA, THE THERMAL
TROUGH RETURNED;AND CONDITIONS BECAME DRY AND WARM ONCE AGAIN. THIS ALLOWED
JUNE TO HAVE 13 DAYSWITH TEMPERATURES ABOVE 90 DEGREES.

$$



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