Climatological Report (Monthly)
Issued by NWS Portland, ME

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CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
826 PM EDT TUE SEP 1 2015

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

...THE CONCORD NH CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1868 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             101   08/02/1975
 LOW               29   08/31/1965
HIGHEST            94   08/18        92       2       88  08/25
LOWEST             49   08/07        42       7       44  08/19
AVG. MAXIMUM     84.2              80.9     3.3     78.8
AVG. MINIMUM     57.5              56.1     1.4     53.8
MEAN             70.8              68.5     2.3     66.3
DAYS MAX >= 90      4               2.7     1.3        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         9.00   1892
 MINIMUM         0.06   1996
TOTALS           5.56              3.18    2.38     3.82
DAILY AVG.       0.19              0.10    0.09     0.12
DAYS >= .01         7               9.8    -2.8        7
DAYS >= .10         5               6.2    -1.2        4
DAYS >= .50         3               2.1     0.9        2
DAYS >= 1.00        2               0.8     1.2        2
GREATEST
 24 HR. TOTAL    2.48   08/18

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        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0
 24 HR TOTAL      0.0

DEGREE_DAYS
HEATING TOTAL       0                31     -31       32
 SINCE 7/1          8                48     -40       32
COOLING TOTAL     177               139      38       81
 SINCE 1/1        502               413      89      331
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.1
HIGHEST WIND SPEED/DIRECTION    28/200    DATE  08/03
HIGHEST GUST SPEED/DIRECTION    40/190    DATE  08/03

SKY COVER
AVERAGE SKY COVER           0.30

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     HEAVY RAIN                 5
RAIN                      6     LIGHT RAIN                 8
FREEZING RAIN             0     LT FREEZING RAIN           0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     FOG                       17
FOG W/VIS <= 1/4 MILE     8     HAZE                       2

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

&&

MOST OF THE MONTH OF AUGUST FEATURED WARM WEATHER IN CONCORD. THE
EXCEPTION WAS THE SECOND WEEK OF THE MONTH WHEN A COLD FRONT BROUGHT
A DRY AIR MASS INTO THE AREA WITH WARM DAYS AND COOL NIGHTS. THE
COOLEST TEMPERATURE OF THE MONTH WAS 49 DEGREES ON THE 7TH. THE WARM
WEATHER RETURNED FOR THE THIRD WEEK WITH SEVERAL DAYS ABOVE 90
DEGREES. THUNDERSTORMS BROUGHT HEAVY RAINFALL ON THE 18TH WITH 2.48
INCHES OBSERVED IN JUST A FEW HOURS. OBSERVATIONS WERE MISSING ON
THE 19TH AND 20TH DUE TO EQUIPMENT FAILURE.

THE AVERAGE TEMPERATURE FOR THE MONTH WAS 70.8 DEGREES WHICH WAS 2.3
DEGREES ABOVE NORMAL. DUE TO EQUIPMENT FAILURE, 2 DAYS OF
TEMPERATURE DATA WERE MISSING WHICH WILL CAUSE AN UNDER ESTIMATION
OF AVERAGE MONTHLY TEMPERATURE SINCE THE TWO MISSING DAYS WERE VERY
WARM. USING REASONABLE ESTIMATIONS FOR THE TWO MISSING DAYS WOULD
GIVE AN AVERAGE MONTHLY TEMPERATURE OF 71.3 DEGREES, 2.8 DEGREES
ABOVE NORMAL AND THE WARMEST SINCE 2001. THE WARMEST AUGUST ON
RECORD WAS 1872 WHEN THE AVERAGE TEMPERATURE WAS 73.6 DEGREES. THE
COOLEST WAS 1903 AT ONLY 61.1 DEGREES.

A TOTAL OF 5.56 INCHES OF RAIN FELL WHICH WAS 2.38 INCHES ABOVE
NORMAL ALMOST HALF (2.48 INCHES) OF THE MONTHLY TOTAL FELL IN JUST A
FEW HOURS ON THE EVENING OF THE 18TH. ANOTHER 1.60 INCHES FELL A
WEEK LATER ON THE 25TH. THE WETTEST AUGUST ON RECORD WAS 1892 WHEN
9.00 INCHES OF RAIN FELL. THE DRIEST WAS 1996 WHEN ONLY 0.06 INCHES
WAS MEASURED.

TWO SEPARATE INCIDENTS OF EQUIPMENT FAILURE LED TO ESTIMATED OR
MISSING DATA AT CONCORD. THEY ARE DETAILED BELOW.

DATA WAS LOST ON THE EVENING OF AUGUST 11. PRECIPITATION WAS
OCCURRING AT THE TIME AND HAD ACCUMULATED TO 0.74 INCHES BEFORE DATA
WAS LOST. AN ADDITIONAL 0.10 INCHES IS ESTIMATED TO HAVE FALLEN
AFTER THE EQUIPMENT FAILURE, BASED ON NEARBY OBSERVATIONS. THIS LED
TO THE ESTIMATED VALUE OF 0.84 INCHES ON AUGUST 11.

DATA WAS LOST ON THE EVENING OF AUGUST 18 AFTER A THUNDERSTORM. THE
PRECIPITATION AND TEMPERATURE DATA FOR AUGUST 18 WAS NOT AFFECTED,
HOWEVER, DATA WAS NOT RESTORED UNTIL THE MORNING OF AUGUST 21. THE
LOW TEMPERATURE ON AUGUST 21 WAS ESTIMATED AT 65 DEGREES BASED ON
NEARBY OBSERVATIONS. THE DATA ON AUGUST 19 AND 20 WAS LOST DUE TO
THE OUTAGE. BASED ON NEARBY OBSERVATIONS IT IS REASONABLE TO
CONCLUDE THAT CONCORD HAD A HIGH OF 91 AND A LOW OF 64 ON AUGUST 19
AND A HIGH OF 88 AND A LOW OF 64 ON AUGUST 20. USING THESE ESTIMATES
THE AVERAGE MONTHLY TEMPERATURE WOULD HAVE BEEN 71.3 DEGREES, WITH 5
DAYS ABOVE 90 DEGREES.

THERE WERE NO DAILY RECORDS SET OR TIED DURING AUGUST 2015.

$$

KIMBLE


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