Official 1981-2010 Climate Normals
City: MOLINE WSO AP
State: IL
ID: 014923
Latitude: 41.4653
Longitude: -90.5233
Elevation: 591.7 ft
Temperature-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High: 31.0 35.7 48.8 62.3 72.9 82.3 85.8 83.8 76.8 64.1 49.2 34.6
Mean: 22.6 27.0 39.1 51.4 61.8 71.5 75.4 73.5 65.4 53.2 40.0 26.6
Low: 14.3 18.3 29.4 40.5 50.7 60.7 65.0 63.2 53.9 42.4 30.9 18.6
CDD: 0 0 1 13 62 214 324 269 106 14 1 0
HDD: 1313 1064 804 421 161 19 2 6 96 378 749 1190
Number of Days
T090: 0.0 0.0 0.0 0.1 0.7 4.0 7.7 5.3 1.9 0.2 0.0 0.0
T100: 0.0 0.0 0.0 0.0 0.0 0.1 0.2 0.2 0.0 0.0 0.0 0.0
T000: 5.2 2.6 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.4
T032: 29.0 24.6 19.1 5.6 0.2 0.0 0.0 0.0 0.2 4.3 16.6 27.2
------------------------------------------------------------------------------------------
Annual Values
High Temp: 60.7 F
Mean Temp: 50.7 F
Low Temp: 40.8 F
Cooling DD: 1005
Heating DD: 6204
Days above 90 (T090): 19.8
Days above 100 (T100): 0.5
Days below 0 (T000): 10.3
Days below 32 (T032): 126.9
------------------------------------------------------------------------------------------
Precipitation-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Prcp: 1.49 1.60 2.86 3.59 4.32 4.49 4.29 4.52 3.09 2.97 2.56 2.18
Snow: 9.4 6.8 4.0 0.9 0.0 0.0 0.0 0.0 0.0 0.0 1.2 9.3
Number of Days
P001: 8.8 8.3 10.1 11.0 11.7 10.5 9.8 9.8 8.2 9.1 9.8 10.0
P010: 4.2 3.8 5.7 6.7 7.5 7.4 6.4 6.3 5.1 5.5 5.2 5.1
P100: 0.2 0.3 0.6 0.9 1.2 1.3 1.0 1.5 0.8 0.7 0.4 0.3
S001: 7.1 5.6 3.2 0.7 0.0 0.0 0.0 0.0 0.0 0.0 1.7 6.8
S010: 2.8 2.1 1.4 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.4 2.8
S100: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
------------------------------------------------------------------------------------------
Annual Values
Precipitation: 37.96 inches
Snowfall: 31.6 inches
Days precipitation at or above 0 inches (P000): 117.1
Days precipitation at or above 0.10 inches (P010): 68.9
Days Precipitation at or above 1.00 inches (P100): 9.2
Days Snowfall at or above 0.1 inches (S001): 25.1
Days Snowfall at or above 1.0 inches (S010): 9.7
Days Snowfall at or above 10.0 inches (S100): 0.0
------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------
KEY:
High - average daily high temperature, degrees F
Mean - average daily mean temperature, degrees F
Low - average daily low temperature, degrees F
CDD - cooling degree days, base 50F
HDD - heating degree days, base 50F
T090 - number of Days with Temperatures above 90 degrees F
T100 - number of Days with Temperatures above 100 degrees F
T000 - number of Days with Temperatures below 0 degrees F
T032 - number of Days with Temperatures below 32 degrees F
Prcp - precipitation, inches
Snow - snowfall, inches
P001 - number of Days with Precipitation of 0.01 inches or more
P010 - number of Days with Precipitation of 0.10 inches or more
P100 - number of Days with Precipitation of 1.00 inches or more
S001 - number of Days with Snowfall of 0.1 inches or more
S010 - number of Days with Snowfall of 1.0 inches or more
S100 - number of Days with Snowfall of 10.0 inches or more
Page Source:
Dr. Jim Angel, State Climatologist
Illinois State Water Survey
Prairie Research Institute
University of Illinois
Data Source:
NOAA National Climatic Data Center
