Climatological Report (Annual)
Issued by NWS Quad Cities IA IL

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CXUS53 KDVN 011640
CLAMLI

CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1100 AM CST WED JAN 01 2025

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

...THE MOLINE IL CLIMATE SUMMARY FOR THE YEAR OF 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            111   07/14/1936
 LOW             -33   01/31/2019
HIGHEST           98   08/27         86      12
LOWEST           -19   01/21         14     -33
AVG. MAXIMUM    65.0               61.5     3.5
AVG. MINIMUM    43.5               40.9     2.6
MEAN            54.2               51.2     3.0
DAYS MAX >= 90    26               22.2     3.8
DAYS MAX <= 32    24               41.7   -17.7
DAYS MIN <= 32    97              128.7   -31.7
DAYS MIN <= 0      8                9.8    -1.8

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       56.36   1973
 MINIMUM       17.33   1901
TOTALS         34.67              38.27   -3.60
DAILY AVG.      0.09               0.10   -0.01
DAYS >= .01      107              117.0   -10.0
DAYS >= .10       67
DAYS >= .50       24
DAYS >= 1.00       9                9.6    -0.6
GREATEST
 24 HR. TOTAL   2.02   08/15 TO 08/15

SNOWFALL (INCHES)
RECORDS
 TOTAL          71.1   1997
TOTALS          30.6               36.1    -5.5
SINCE 7/1        1.3               11.2    -9.9
SNOWDEPTH AVG.     1
DAYS >= TRACE     25               25.1    -0.1
DAYS >= 1.0        4               10.6    -6.6
GREATEST
 SNOW DEPTH       16   01/13
 24 HR TOTAL    15.4   01/12 TO 01/12

DEGREE DAYS
HEATING TOTAL   4893               6024   -1131
 SINCE 7/1      1909               2318    -409
COOLING TOTAL   1089               1040      49
 SINCE 1/1      1089               1042      47
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.4
HIGHEST WIND SPEED/DIRECTION    44/250    DATE  06/16
HIGHEST GUST SPEED/DIRECTION    67/330    DATE  07/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.34
NUMBER OF DAYS FAIR          229
NUMBER OF DAYS PC             79
NUMBER OF DAYS CLOUDY         59

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             47     HAIL                       1
SLEET                     0     FOG                      132
FOG W/VIS <= 1/4 MILE    16     HAZE                      44

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

$$

SUPPLEMENTAL CLIMATE DATA WAS USED FROM A NEARBY
CLIMATOLOGICALLY REPRESENTATIVE STATION.

MLI
PARAMETER   DATE
---------   ----
   SNW      ALL
   WTR      1/6, 1/8, 1/9, 1/12, 1/18, 3/22