Climatological Report (Monthly)
Issued by NWS

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CXUS53 KLSX 011508
CLMUIN


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
952 AM CDT FRI SEP 1 2017

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

...THE QUINCY IL CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1901 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             111   08/09/1934
 LOW               42   08/28/1986
                        08/20/1950
HIGHEST            89   08/19                         92
LOWEST             54   08/23                         56
                        08/05
                        08/04
AVG. MAXIMUM     81.6              84.5    -2.9     84.1
AVG. MINIMUM     60.6              64.4    -3.8     67.4
MEAN             71.1              74.4    -3.3     75.7
DAYS MAX >= 90      0               6.3    -6.3        2
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        10.84   1970
 MINIMUM         0.01   2013
TOTALS           4.31              3.63    0.68     7.29
DAILY AVG.       0.14              0.12    0.02     0.24
DAYS >= .01         9               9.0     0.0       12
DAYS >= .10         7               5.5     1.5        8
DAYS >= .50         3               2.2     0.8        5
DAYS >= 1.00        2               0.9     1.1        3
GREATEST
 24 HR. TOTAL    1.74   08/21 TO 08/22

DEGREE_DAYS
HEATING TOTAL       0                 5      -5        0
 SINCE 7/1          0                 5      -5        6
COOLING TOTAL     197               297    -100      341
 SINCE 1/1        995               953      42     1176
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    32/170    DATE  08/16
HIGHEST GUST SPEED/DIRECTION    41/170    DATE  08/16

SKY COVER
NUMBER OF DAYS FAIR           24
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          1


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       5
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HEAVY SNOW                 0
SNOW                      0     LIGHT SNOW                 0
SLEET                     0     FOG                       15
FOG W/VIS <= 1/4 MILE     4     HAZE                       2

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

...MONTHLY...

9TH COOLEST AUGUST ON RECORD (71.2 DEGREES).

TIED LEAST NUMBER OF OCCURRENCES OF A MAXIMUM TEMPERATURE
GREATER THAN OR EQUAL TO 90 DEGREES (0 DAYS...5TH TIME NONE
HAVE OCCURRED).

TIED 5TH LEAST NUMBER OF OCCURRENCES OF A MINIMUM TEMPERATURE
GREATER THAN OR EQUAL TO 70 DEGREES (1 DAY).

...DAILY...

RECORD RAINFALL VALUE OF 1.53 INCHES ON 08/10. PREVIOUS RECORD OF
1.25 INCHES IN 1966.

$$




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