Climatological Report (Monthly)
Issued by NWS

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CXUS53 KLSX 152028 CCA
CLMUIN

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1000 AM CDT SUN OCT 01 2023

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

...THE QUINCY IL CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1901 TO 2023

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           94   09/30                          94
LOWEST            50   09/14                          38
                       09/16
                       09/17
AVG. MAXIMUM    82.3               77.9     4.4     79.3
AVG. MINIMUM    58.0               56.1     1.9     57.0
MEAN            70.1               67.0     3.1     68.2
DAYS MAX >= 90     3                2.9     0.1        1
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          0.35               3.09   -2.74     4.18
DAILY AVG.      0.01               0.10   -0.09     0.14
DAYS >= .01        4                7.5    -3.5        5
DAYS >= .10        1                4.8    -3.8        3
DAYS >= .50        0                2.0    -2.0        2
DAYS >= 1.00       0                0.7    -0.7        2
GREATEST
 24 HR. TOTAL   0.26   09/16 TO 09/16


DEGREE DAYS
HEATING TOTAL      3                 73     -70       63
 SINCE 7/1         3                 78     -75       MM
COOLING TOTAL    164                133      31      165
 SINCE 1/1      1224               1129      95       MM
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    35/330    DATE  09/16
HIGHEST GUST SPEED/DIRECTION    48/330    DATE  09/16

SKY COVER
NUMBER OF DAYS FAIR           22
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          0


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      5
HAZE                      5

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

...MONTHLY...

TIED LEAST NUMBER OF OCCURRENCES WITH A HIGH TEMPERATURE BELOW 70
DEGREES (0 DAYS. 10TH SUCH OCCURRENCE. LAST WAS 2021).

4TH DRIEST SEPTEMBER ON RECORD (0.35 INCHES).

TIED LEAST OCCURRENCES WITH AT LEAST A TENTH OF AN INCH OF RAINFALL
(1 DAY. 6TH SUCH OCCURRENCE. LAST WAS 2017).

...DAILY...

A RECORD HIGH TEMPERATURE OF 94 DEGREES SET ON 09/30. PREVIOUS 91
DEGREES IN 1933.

$$


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