Climatological Report (Monthly)
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CLMAUG

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CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
325 PM EDT WED OCT 4 2017

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

...THE AUGUSTA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              96   09/09/2002
 LOW               28   09/29/1980
                        09/28/1965
HIGHEST            88   09/25        85       3       90  09/09
LOWEST             43   09/30        38       5       41  09/30
                        09/29                             09/26
AVG. MAXIMUM     74.5              69.6     4.9     74.0
AVG. MINIMUM     55.2              50.5     4.7     53.7
MEAN             64.9              60.0     4.9     63.9
DAYS MAX >= 90      0               0.3    -0.3        1
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.1    -0.1        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        11.29   1999
 MINIMUM         0.59   2014
TOTALS           2.98              3.74   -0.76     1.13
DAILY AVG.       0.10              0.12   -0.02     0.04
DAYS >= .01         8              10.2    -2.2        8
DAYS >= .10         4               6.5    -2.5        5
DAYS >= .50         4               2.6     1.4        0
DAYS >= 1.00        1               1.0     0.0        0
GREATEST
 24 HR. TOTAL    1.17   09/05

DEGREE_DAYS
HEATING TOTAL      75               178    -103      100
 SINCE 7/1        116               220    -104      125
COOLING TOTAL      79                30      49       73
 SINCE 1/1        439               387      52      530
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.9
HIGHEST WIND SPEED/DIRECTION    23/030    DATE  09/21
HIGHEST GUST SPEED/DIRECTION    34/300    DATE  09/01

SKY COVER
AVERAGE SKY COVER           0.40

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     HEAVY RAIN                 4
RAIN                      5     LIGHT RAIN                 9
FREEZING RAIN             0     LT FREEZING RAIN           0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     FOG                       13
FOG W/VIS <= 1/4 MILE     7     HAZE                       0

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

&&

SEPTEMBER BEGAN THE WAY AUGUST ENDED, WITH COOL, FALL-LIKE WEATHER
INCLUDING NIGHTTIME TEMPERATURES IN THE 40S. THAT WOULD SOON CHANGE
AS MOST OF THE REST OF THE MONTH WOULD FEATURE WARM AND HUMID
WEATHER. AUGUSTA WOULD NOT SEE THE TEMPERATURE DROP INTO THE 40S
AGAIN FOR NEARLY 4 WEEKS. AFTER A FEW DAYS OF RAIN INCLUDING MORE
THAN AN INCH ON THE 5TH, THE TRANSITION TO WARMER MORE HUMID WEATHER
BEGAN. A RIDGE OF HIGH PRESSURE SET UP OVER THE WESTERN ATLANTIC AND
EAST COAST, PUMPING WARM, HUMID AIR NORTHEASTWARD INTO NEW ENGLAND.
THERE WERE OCCASIONAL COLD FRONTS WHICH DROPPED TEMPERATURES BACK
CLOSER TO NORMAL, BUT THE WARM AND HUMID AIR KEPT RETURNING. THIS
WARMTH PEAKED WITH 5 CONSECUTIVE DAYS IN THE 80S FROM THE 23RD
THROUGH 27TH INCLUDING A HIGH OF 88 ON THE 25TH. A STRONG COLD FRONT
BROUGHT COOLER WEATHER IN FOR THE LAST TWO DAYS OF THE MONTH, MORE
TYPICAL OF WHAT WOULD BE EXPECTED IN FALL.

THE AVERAGE TEMPERATURE FOR THE MONTH WAS 64.9 DEGREES WHICH WAS 4.9
DEGREES ABOVE NORMAL AND THE 4TH WARMEST ON RECORD. THE WARMEST
SEPTEMBER WAS IN 1999 WHEN THE AVERAGE TEMPERATURE WAS 66.3 DEGREES.
THE COOLEST WAS 54.5 DEGREES IN 1956. THE FOLLOWING TABLE LISTS THE
WARMEST SEPTEMBERS ON RECORD WITH THE LAST THREE YEARS EACH TAKING A
SPOT IN THE TOP 6.

WARMEST AVERAGE TEMPERATURE IN SEPTEMBER (SINCE 1948)...
RANK  TEMP  YEAR
1     66.3  1999
2     65.8  1961
3     65.1  2015
4     64.9  2017 <===
5     64.8  1983
6     63.7  2016
7     63.6  1971
8     63.1  2002
9     62.9  2005
10    62.7  1972

A TOTAL OF 2.98 INCHES OF RAIN FELL WHICH WAS 0.76 INCHES BELOW
NORMAL. NEARLY ALL OF THIS RAIN FELL IN THE FIRST WEEK OF THE MONTH,
WITH THE HEAVIEST OCCURRING ON THE 5TH WHEN 1.17 INCHES WAS
RECORDED. THE DRIEST SEPTEMBER ON RECORD WAS IN 2014 WHEN ONLY 0.59
INCHES WAS MEASURED. THE WETTEST WAS IN 1999 WHEN 11.29 INCHES FELL.

THE FOLLOWING DAILY RECORDS WERE SET OR TIED IN SEPTEMBER 2017...
DATE  RECORD                                PREVIOUS
1     62 - COOLEST HIGH TEMPERATURE         62 IN 1994 /TIED/
20    65 - WARMEST LOW TEMPERATURE          63 IN 2016 AND 1976
24    87 - WARMEST HIGH TEMPERATURE         85 IN 1961
25    88 - WARMEST HIGH TEMPERATURE         85 IN 2007
27    85 - WARMEST HIGH TEMPERATURE         82 IN 2014

$$

KIMBLE


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