Climatological Report (Monthly)
Issued by NWS Portland, ME

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CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
147 PM EDT FRI SEP 2 2016

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

...THE PORTLAND ME CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1941 TO 2016 /FOR TEMPERATURES/
CLIMATE RECORD PERIOD 1871 TO 2016 /FOR PRECIPITATION/
CLIMATE RECORD PERIOD 1882 TO 2016 /FOR SNOWFALL/

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             103   08/02/1975
 LOW               33   08/31/1965
HIGHEST            99   08/12        90       9       89  08/17
LOWEST             53   08/23        47       6       53  08/07
AVG. MAXIMUM     82.9              77.7     5.2     79.4
AVG. MINIMUM     60.7              58.2     2.5     61.2
MEAN             71.8              68.0     3.8     70.3
DAYS MAX >= 90      4               1.1     2.9        0
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        15.22   1991
 MINIMUM         0.27   1947
TOTALS           1.90              3.14   -1.24     2.49
DAILY AVG.       0.06              0.10   -0.04     0.08
DAYS >= .01         8               9.3    -1.3        8
DAYS >= .10         5               5.1    -0.1        5
DAYS >= .50         1               1.6    -0.6        2
DAYS >= 1.00        0               0.7    -0.7        1
GREATEST
 24 HR. TOTAL    0.70   08/21 TO 08/22

SNOWFALL (INCHES)
RECORDS
 TOTAL            0.0
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         0.0               0.0     0.0      0.0
SNOWDEPTH AVG.      0
DAYS >= TRACE       0               0.0     0.0
DAYS >= 1.0         0               0.0     0.0
GREATEST
 SNOW DEPTH         0
 24 HR TOTAL      0.0

DEGREE_DAYS
HEATING TOTAL       1                28     -27        0
 SINCE 7/1         14                45     -31       10
COOLING TOTAL     221               120     101      169
 SINCE 1/1        485               328     157      395
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.7
HIGHEST WIND SPEED/DIRECTION    29/310    DATE  08/17
HIGHEST GUST SPEED/DIRECTION    43/330    DATE  08/17

SKY COVER
AVERAGE SKY COVER           0.40

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     HEAVY RAIN                 1
RAIN                      3     LIGHT RAIN                 9
FREEZING RAIN             0     LT FREEZING RAIN           0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     FOG                       12
FOG W/VIS <= 1/4 MILE     3     HAZE                       1

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

&&

THE WARM WEATHER WHICH BEGAN TOWARD THE END OF JULY CONTINUED
THROUGH MUCH OF THE MONTH OF AUGUST. THE HEAT PEAKED AROUND THE
MIDDLE OF THE MONTH, WITH 4 DAYS ABOVE 90 DEGREES IN THE FIRST TWO
WEEKS OF AUGUST. THE HOTTEST TEMPERATURE WAS 99 DEGREES ON THE 12TH,
THE HOTTEST AUGUST DAY IN MORE THAN 40 YEARS. ALTHOUGH THE EXTREME
HEAT WOULD NOT RETURN, THE REST OF THE MONTH STILL CONTINUED THE
ABOVE NORMAL TREND WITH A FEW PERIODS OF WELCOME RAINFALL. THIS
PERSISTENT WARMTH ALLOWED AUGUST TO FINISH AS THE WARMEST ON RECORD
AT PORTLAND.

THE AVERAGE TEMPERATURE FOR THE MONTH WAS 71.8 DEGREES WHICH WAS 3.8
DEGREES ABOVE NORMAL AND THE WARMEST AUGUST ON RECORD. THE HEAT WAS
MOST NOTICEABLE IN DAYTIME HIGH TEMPERATURES WHICH WERE MORE THAN 5
DEGREES ABOVE NORMAL. UNTIL THIS YEAR, THE WARMEST AUGUST ON RECORD
WAS 1969 WHEN THE AVERAGE TEMPERATURE WAS 71.3 DEGREES. THE COOLEST
AUGUST WAS 1964 AT ONLY 61.1 DEGREES. THE HIGH TEMPERATURE OF 99
DEGREES ON AUGUST 12 WAS THE HOTTEST AUGUST TEMPERATURE IN MORE THAN
40 YEARS. THE FOLLOWING TABLES LIST THE HOTTEST TEMPERATURES ON
RECORD IN THE MONTH OF AUGUST AS WELL AS THE TOP TEN WARMEST AUGUSTS.

HOTTEST TEMPERATURE IN AUGUST (SINCE 1940)
RANK  TEMP  DATE
1     103   AUG 2, 1975
2     100   AUG 27, 1948
      100   AUG 28, 1948
4      99   AUG 12, 2016 <===
       99   AUG 13, 1947
       99   AUG 12, 1944
       99   AUG 11, 1944
8      98   AUG 1, 1975
       98   AUG 28, 1948
       98   AUG 15, 1947

WARMEST AUGUST AVERAGE TEMPERATURE (SINCE 1940)
RANK  TEMP  YEAR
1     71.8  2016 <===
2     71.3  1969
3     71.1  1988
      71.1  1980
5     70.9  1973
6     70.8  2012
7     70.7  1944
8     70.3  2015
9     70.2  2005
10    70.0  2002

A TOTAL OF 1.90 INCHES OF RAIN FELL WHICH WAS 1.24 INCHES BELOW
NORMAL. THIS MARKS THE 4TH MONTH OF BELOW NORMAL PRECIPITATION OUT
OF THE LAST 5 MONTHS, PERPETUATING DROUGHT CONDITIONS. THE HEAVIEST
RAIN WAS ON THE 22ND WHEN 0.69 INCHES FELL. THE DRIEST AUGUST WAS IN
1947 WHEN ONLY 0.27 INCHES FELL. THE WETTEST WAS IN 1991 WITH 15.22
INCHES.

THE FOLLOWING DAILY RECORDS WERE SET OR TIED IN AUGUST 2016...
DATE RECORD                                  PREVIOUS
6    94 - WARMEST HIGH TEMPERATURE           90 IN 1965
6    81 - WARMEST AVERAGE TEMPERATURE        80 IN 1988
12   99 - WARMEST HIGH TEMPERATURE           99 IN 1944 /TIED/

$$

KIMBLE


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