Weather History for Freeport, IL

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 94 °F 77 °F 59 °F
Mean Temperature 82 °F 65 °F 54 °F
Min Temperature 71 °F 52 °F 40 °F
Degree Days  
Heating Degree Days (base 65) 12 4 0 110
Cooling Degree Days (base 65) 18 3 0 104
Growing Degree Days (base 50) 32 15 4 442
Dew Point  
Dew Point 78 °F 56 °F 32 °F
Precipitation  
Precipitation 0.61 in 0.04 in 0.00 in 1.09 in
Snowdepth - - - -
Wind  
Wind 24 mph 6 mph 0 mph
Gust Wind 34 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.41 in 30.04 in 29.77 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 13, 2013 Rise Set
Actual Time 6:36 AM CDT 7:11 PM CDT
Civil Twilight 6:08 AM CDT 7:39 PM CDT
Nautical Twilight 5:34 AM CDT 8:12 PM CDT
Astronomical Twilight 5:00 AM CDT 8:46 PM CDT
Moon 3:05 PM CDT (9/13) 12:00 AM CDT (9/13)
Length of Visible Light 13h 30m
Length of Day
12h 34m
First Quarter, 61% of the Moon is Illuminated
Sep 13
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

Weather History Calendar

Precipitation Actual month total 1.09 Average Month Total: 3.75
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Fog
Actual:
86 | 61 0.00
Average:
80 | 56 0.19
Scattered Clouds
Actual:
75 | 54 0.00
Average:
80 | 56 0.02
Clear
Actual:
74 | 47 0.00
Average:
79 | 56 0.06
Clear
Actual:
84 | 51 0.00
Average:
78 | 53 0.08
Fog
Actual:
79 | 59 0.00
Average:
79 | 53 0.08
Scattered Clouds
Actual:
85 | 56 0.00
Average:
78 | 53 0.12
Rain
Actual:
88 | 65 0.00
Average:
77 | 53 0.03
Mostly Cloudy
Actual:
79 | 67 0.00
Average:
79 | 53 0.09
Scattered Clouds
Actual:
94 | 64 0.00
Average:
77 | 53 0.11
Clear
Actual:
94 | 71 0.00
Average:
76 | 52 0.11
Rain
Actual:
83 | 68 0.02
Average:
77 | 52 0.13
Scattered Clouds
Actual:
79 | 55 0.00
Average:
77 | 51 0.08
Clear
Actual:
67 | 45 0.00
Average:
76 | 53 0.29
Clear
Actual:
74 | 40 0.00
Average:
74 | 51 0.19
Rain
Actual:
59 | 54 0.61
Average:
72 | 50 0.18
Scattered Clouds
Actual:
66 | 45 0.00
Average:
71 | 50 0.07
Rain
Actual:
71 | 41 0.00
Average:
70 | 50 0.25
Thunderstorm
Actual:
79 | 59 0.15
Average:
72 | 51 0.22
Thunderstorm
Actual:
92 | 67 0.19
Average:
73 | 50 0.12
Rain
Actual:
71 | 54 0.02
Average:
73 | 50 0.13
Scattered Clouds
Actual:
65 | 45 0.00
Average:
68 | 46 0.19
Fog
Actual:
67 | 40 0.00
Average:
67 | 46 0.21
Clear
Actual:
74 | 41 0.03
Average:
67 | 43 0.07
Fog
Actual:
74 | 44 0.00
Average:
66 | 41 0.07
Fog
Actual:
74 | 43 0.00
Average:
69 | 44 0.24
Fog
Actual:
79 | 43 0.00
Average:
69 | 46 0.13
Clear
Actual:
81 | 47 0.00
Average:
71 | 45 0.07
Rain
Actual:
81 | 54 0.06
Average:
71 | 44 0.01
Fog
Actual:
71 | 48 0.01
Average:
69 | 45 0.17
Clear
Actual:
76 | 41 0.00
Average:
69 | 45 0.04
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 86 74 61 74 66 60 96 81 57 29.89 29.82 29.77 10 7 0 14 4 21 0.00 Fog
2 75 64 54 63 59 52 93 79 51 30.04 29.98 29.89 10 10 10 9 6 - 0.00  
3 74 60 47 60 54 46 95 78 50 30.14 30.09 30.04 10 10 5 6 1 - 0.00  
4 84 68 51 68 60 50 94 76 49 30.17 30.13 30.08 10 10 10 8 3 - 0.00  
5 79 69 59 65 61 54 96 79 57 30.28 30.23 30.14 10 9 0 13 5 17 0.00 Fog
6 85 70 56 68 61 53 92 74 50 30.25 30.15 30.03 10 10 7 12 4 16 0.00  
7 88 76 65 73 67 62 90 75 53 30.03 29.97 29.92 10 10 7 14 7 18 0.00 Rain
8 79 73 67 72 68 64 93 87 79 30.07 30.01 29.96 10 9 7 17 8 23 0.00  
9 94 79 64 78 71 63 95 78 49 29.98 29.90 29.83 10 7 1 14 6 17 0.00  
10 94 82 71 71 65 58 78 57 29 30.02 29.98 29.90 10 10 10 20 11 28 0.00  
11 83 75 68 73 68 64 88 76 60 30.10 30.05 30.01 10 10 10 10 6 - 0.02 Rain
12 79 67 55 64 55 46 93 68 36 30.15 30.07 30.03 10 10 10 18 7 25 0.00  
13 67 56 45 51 42 32 89 63 27 30.25 30.20 30.15 10 10 10 13 5 16 0.00  
14 74 57 40 52 44 38 93 67 34 30.21 30.13 30.03 10 10 7 10 3 - 0.00  
15 59 56 54 57 53 46 94 88 63 30.23 30.07 30.00 10 8 2 10 5 - 0.61 Rain
16 66 56 45 54 48 42 94 76 41 30.41 30.34 30.23 10 10 10 13 7 18 0.00  
17 71 55 41 59 51 40 95 82 59 30.36 30.25 30.11 10 9 1 14 4 18 0.00 Rain
18 79 69 59 72 64 56 93 85 75 30.11 30.01 29.91 10 10 4 14 7 20 0.15 Rain , Thunderstorm
19 92 80 67 74 69 66 94 80 46 29.94 29.87 29.77 10 9 2 18 9 34 0.19 Rain , Thunderstorm
20 71 62 54 65 59 51 94 82 58 29.90 29.86 29.80 10 10 7 17 10 23 0.02 Rain
21 65 55 45 53 49 44 93 78 53 29.99 29.93 29.88 10 10 10 14 6 20 0.00  
22 67 54 40 52 45 39 95 77 44 30.09 30.04 29.99 10 8 0 8 1 - 0.00 Fog
23 74 57 41 52 47 40 95 76 45 30.13 30.08 30.04 10 9 1 12 4 - 0.03  
24 74 59 44 55 49 43 95 75 42 30.05 30.01 29.95 10 9 0 12 6 22 0.00 Fog
25 74 58 43 57 48 42 95 76 37 30.01 29.98 29.95 10 7 0 10 2 - 0.00 Fog
26 79 61 43 60 51 42 95 76 41 30.10 30.06 30.00 10 7 0 12 4 17 0.00 Fog
27 81 64 47 57 51 45 94 68 27 30.16 30.10 30.05 10 8 1 16 5 21 0.00  
28 81 68 54 68 58 50 94 80 51 30.06 29.98 29.89 10 9 2 24 10 33 0.06 Rain
29 71 60 48 56 47 34 95 73 28 30.11 30.05 30.02 10 7 0 8 3 - 0.01 Fog
30 76 58 41 53 45 39 93 65 30 30.02 29.95 29.86 10 10 5 15 6 21 0.00