Climatological Report (Monthly)
Issued by NWS
Issued by NWS
327
CXUS53 KLSX 011508
CLMUIN
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1008 AM CDT THU OCT 01 2026
...................................
...THE QUINCY IL CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1901 TO 2026
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 99 09/01 96
LOWEST 52 09/23 42
AVG. MAXIMUM 82.9 77.9 5.0 82.8
AVG. MINIMUM 64.8 56.1 8.7 57.1
MEAN 73.9 67.0 6.9 70.0
DAYS MAX >= 90 8 2.9 5.1 6
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 2.56 3.09 -0.53 1.01
DAILY AVG. 0.09 0.10 -0.01 0.03
DAYS >= .01 12 7.5 4.5 6
DAYS >= .10 4 4.8 -0.8 2
DAYS >= .50 3 2.0 1.0 0
DAYS >= 1.00 0 0.7 -0.7 0
GREATEST
24 HR. TOTAL 1.26 09/15 TO 09/16
DEGREE DAYS
HEATING TOTAL 12 73 -61
SINCE 7/1 12 78 -66
COOLING TOTAL 283 133 150
SINCE 1/1 1423 1094 329
..............................................................
WIND (MPH)
HIGHEST WIND SPEED/DIRECTION 29/290 DATE 09/16
HIGHEST GUST SPEED/DIRECTION 46/280 DATE 09/16
SKY COVER
NUMBER OF DAYS FAIR 16
NUMBER OF DAYS PC 8
NUMBER OF DAYS CLOUDY 6
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 3
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 12 FOG W/VIS <= 1/4 MILE 2
HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
...MONTHLY...
TIED 6TH WARMEST SEPTEMBER ON RECORD (73.9 DEGREES).
TIED 6TH MOST DAYS WITH A LOW TEMPERATURE GREATER THAN OR EQUAL TO
70 DEGREES (9 DAYS).
...DAILY...
RECORD HIGH MINIMUM TEMPERATURE OF 75 DEGREES TIED ON 09/04. ALSO
SET IN 1947.
$$
GOSSELIN