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

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339
CXUS53 KDVN 012101
CLAMLI


CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
250 PM CST MON JAN 1 2018

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

...THE MOLINE IL CLIMATE SUMMARY FOR THE YEAR OF 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH             111   07/14/1936
 LOW              -28   02/03/1996
HIGHEST            95   06/13        86       9
LOWEST            -11   12/31        14     -25
AVG. MAXIMUM     63.3              60.7     2.6
AVG. MINIMUM     42.3              40.8     1.5
MEAN             52.8              50.7     2.1
DAYS MAX >= 90     24              19.8     4.2
DAYS MAX <= 32     28              43.0   -15.0
DAYS MIN <= 32    119             126.9    -7.9
DAYS MIN <= 0       5              10.3    -5.3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        56.36   1973
 MINIMUM        17.33   1901
TOTALS          36.11             37.96   -1.85
DAILY AVG.       0.10              0.10    0.00
DAYS >= .01       108             117.1    -9.1
DAYS >= .10        60
DAYS >= .50        19
DAYS >= 1.00       11               9.2     1.8
GREATEST
 24 HR. TOTAL    3.68   07/21 TO 07/22

SNOWFALL (INCHES)
RECORDS
 TOTAL           71.1   1997
TOTALS           18.2              31.6   -13.4
SINCE 7/1         9.6              10.5    -0.9
SNOWDEPTH AVG.      0
DAYS >= TRACE      25              25.1    -0.1
DAYS >= 1.0         6               9.7    -3.7
GREATEST
 SNOW DEPTH         7   12/30
 24 HR TOTAL      6.7   12/29 TO 12/29

DEGREE_DAYS
HEATING TOTAL    5319              6204    -885
 SINCE 7/1         MM              2421      MM
COOLING TOTAL     993              1005     -12
 SINCE 1/1        993              1004     -11
.................................................

WIND (MPH)
AVERAGE WIND SPEED              8.6
HIGHEST WIND SPEED/DIRECTION    59/270    DATE  07/21
HIGHEST GUST SPEED/DIRECTION    71/270    DATE  07/21

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR          210
NUMBER OF DAYS PC             88
NUMBER OF DAYS CLOUDY         65

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             56     HAIL                       0
SLEET                     0     FOG                      143
FOG W/VIS <= 1/4 MILE    22     HAZE                      80

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

NOTE: SUPPLEMENTAL SNOWFALL REPORTS FROM QCAI2

$$






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