Climatological Report (Monthly)
Issued by NWS

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CXUS53 KLSX 011346
CLMUIN


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
828 AM CDT SUN OCT 1 2017

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

...THE QUINCY IL CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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             105   09/04/1913
 LOW               26   09/28/1942
HIGHEST            93   09/22                         93
                        09/20
LOWEST             45   09/07                         50
AVG. MAXIMUM     82.1              77.1     5.0     81.6
AVG. MINIMUM     57.3              55.6     1.7     61.2
MEAN             69.7              66.4     3.3     71.4
DAYS MAX >= 90      6               1.8     4.2        4
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        11.64   1926
 MINIMUM         0.14   1939
TOTALS           0.67              3.30   -2.63     3.09
DAILY AVG.       0.02              0.11   -0.09     0.10
DAYS >= .01         1               7.9    -6.9        6
DAYS >= .10         1               5.2    -4.2        3
DAYS >= .50         1               2.0    -1.0        2
DAYS >= 1.00        0               0.9    -0.9        1
GREATEST
 24 HR. TOTAL    0.67   09/18 TO 09/18

DEGREE_DAYS
HEATING TOTAL      31                82     -51       18
 SINCE 7/1         31                87     -56       24
COOLING TOTAL     180               123      57      220
 SINCE 1/1       1175              1076      99     1396
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    23/310    DATE  09/05
HIGHEST GUST SPEED/DIRECTION    31/310    DATE  09/05

SKY COVER
NUMBER OF DAYS FAIR           28
NUMBER OF DAYS PC              2
NUMBER OF DAYS CLOUDY          0


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN                4     FREEZING RAIN              0
LT FREEZING RAIN          0     HEAVY SNOW                 0
SNOW                      0     LIGHT SNOW                 0
SLEET                     0     FOG                        5
FOG W/VIS <= 1/4 MILE     3     HAZE                       3

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

...MONTHLY...

5TH DRIEST SEPTEMBER ON RECORD (0.67 INCHES).

TIED LEAST NUMBER OF DAYS WITH MEASURABLE RAINFALL (1 DAY).

...DAILY...

2 RECORD HIGH MINIMUM TEMEPERATURES SET OR TIED (9/22 AND 9/21).

$$




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