Climatological Report (Annual) Issued by NWS Quad Cities, IA IL
310
CXUS53 KDVN 011900
CLADVN
CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
100 PM CST FRI JAN 01 2021
...................................
...THE DAVENPORT IA CLIMATE SUMMARY FOR THE YEAR OF 2020...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 9999 TO 9999
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
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TEMPERATURE (F)
HIGHEST 94 06/02 84 10
08/24
LOWEST -10 02/14 12 -22
AVG. MAXIMUM 60.9 59.4 1.5
AVG. MINIMUM 41.2 39.2 2.0
MEAN 51.0 49.3 1.7 49.2
DAYS MAX >= 90 17
DAYS MAX <= 32 32
DAYS MIN <= 32 136
DAYS MIN <= 0 5
PRECIPITATION (INCHES)
TOTALS 38.34R 36.03 2.31
DAILY AVG. 0.10 0.10 0.00
DAYS >= .01 106
DAYS >= .10 65
DAYS >= .50 22
DAYS >= 1.00 10
GREATEST
24 HR. TOTAL MM
SNOWFALL (INCHES)
TOTALS 40.4 MM MM
SINCE 7/1 13.0 MM MM
SNOWDEPTH AVG. 0
DAYS >= TRACE 67 MM MM
DAYS >= 1.0 14 MM MM
GREATEST
SNOW DEPTH 7 12/30
24 HR TOTAL MM
DEGREE DAYS
HEATING TOTAL 5942 6511 -569
SINCE 7/1 2298 2580 -282
COOLING TOTAL 960 786 174
SINCE 1/1 958 786 172
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WIND (MPH)
AVERAGE WIND SPEED 9.9
HIGHEST WIND SPEED/DIRECTION 54/290 DATE 08/10
HIGHEST GUST SPEED/DIRECTION 87/280 DATE 08/10
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.31
NUMBER OF DAYS FAIR 192
NUMBER OF DAYS PC 102
NUMBER OF DAYS CLOUDY 71
AVERAGE RH (PERCENT) 69
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 36 HAIL 3
SLEET 4 FOG 171
FOG W/VIS <= 1/4 MILE 22 HAZE 83
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
SUPPLIMENTAL PRECIPITATION AND SNOW DATA FROM DVNI4
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