Weather History for Rockford, IL

Change the Weather History Date:

Month of May, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 92 °F 73 °F 51 °F
Mean Temperature 75 °F 62 °F 46 °F
Min Temperature 64 °F 51 °F 33 °F
Degree Days  
Heating Degree Days (base 65) 19 5 0 168
Cooling Degree Days (base 65) 10 3 0 83
Growing Degree Days (base 50) 25 12 0 382
Dew Point  
Dew Point 72 °F 49 °F 23 °F
Precipitation  
Precipitation 0.92 in 0.13 in 0.00 in 3.15 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 36 mph 9 mph 0 mph
Gust Wind 55 mph 23 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.48 in 29.97 in 29.62 in

Monthly Weather History Graph

Monthly Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

May. 11, 2013 Rise Set
Actual Time 5:39 AM CDT 8:06 PM CDT
Civil Twilight 5:07 AM CDT 8:38 PM CDT
Nautical Twilight 4:28 AM CDT 9:18 PM CDT
Astronomical Twilight 3:44 AM CDT 10:02 PM CDT
Moon 6:46 AM CDT (5/11) 9:47 PM CDT (5/11)
Length of Visible Light 15h 30m
Length of Day
14h 27m
Waxing Crescent, 3% of the Moon is Illuminated
May 11
Waxing Crescent
May 17
First Quarter
May 24
Full
May 31
Last Quarter
Jun 8
New

Weather History Calendar

Precipitation Actual month total 3.15 Normal Month Total: 4.02
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
84 | 59 0.00
Average:
67 | 44 0.11
Thunderstorm
Actual:
59 | 41 0.16
Average:
67 | 44 0.11
Rain
Actual:
52 | 40 0.28
Average:
68 | 44 0.12
Mostly Cloudy
Actual:
73 | 50 T
Average:
68 | 45 0.11
Fog
Actual:
76 | 47 0.00
Average:
68 | 45 0.11
Mostly Cloudy
Actual:
75 | 49 0.00
Average:
69 | 45 0.12
Partly Cloudy
Actual:
80 | 52 0.00
Average:
69 | 46 0.11
Partly Cloudy
Actual:
82 | 49 0.00
Average:
69 | 46 0.11
Thunderstorm
Actual:
72 | 49 0.92
Average:
70 | 46 0.12
Rain
Actual:
51 | 46 0.14
Average:
70 | 47 0.12
Partly Cloudy
Actual:
59 | 39 T
Average:
70 | 47 0.12
Scattered Clouds
Actual:
56 | 36 0.00
Average:
71 | 47 0.12
Partly Cloudy
Actual:
66 | 33 0.00
Average:
71 | 47 0.13
Scattered Clouds
Actual:
92 | 52 T
Average:
71 | 48 0.13
Partly Cloudy
Actual:
82 | 59 T
Average:
72 | 48 0.12
Partly Cloudy
Actual:
84 | 56 0.00
Average:
72 | 48 0.13
Mostly Cloudy
Actual:
74 | 58 T
Average:
72 | 49 0.13
Partly Cloudy
Actual:
82 | 56 0.00
Average:
73 | 49 0.14
Thunderstorm
Actual:
88 | 62 0.10
Average:
73 | 49 0.13
Thunderstorm
Actual:
85 | 64 0.23
Average:
73 | 50 0.14
Partly Cloudy
Actual:
80 | 60 0.00
Average:
73 | 50 0.15
Rain
Actual:
73 | 61 0.05
Average:
74 | 50 0.14
Rain
Actual:
63 | 42 0.18
Average:
74 | 51 0.14
Scattered Clouds
Actual:
66 | 37 0.00
Average:
74 | 51 0.15
Rain
Actual:
58 | 46 0.02
Average:
75 | 51 0.14
Rain
Actual:
66 | 45 0.19
Average:
75 | 52 0.14
Rain
Actual:
61 | 52 0.02
Average:
75 | 52 0.14
Thunderstorm
Actual:
79 | 55 0.26
Average:
76 | 52 0.14
Rain
Actual:
84 | 63 T
Average:
76 | 53 0.14
Thunderstorm
Actual:
85 | 63 0.49
Average:
76 | 53 0.16
Rain
Actual:
75 | 62 0.11
Average:
77 | 53 0.15
 

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
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 84 72 59 57 53 48 80 55 29 30.15 30.05 29.94 10 10 10 20 9 26 0.00  
2 59 50 41 50 43 37 89 74 59 30.28 30.21 30.16 10 10 7 26 15 32 0.16 Rain , Thunderstorm
3 52 46 40 49 42 37 93 90 86 30.16 30.06 29.97 10 9 5 26 13 30 0.28 Rain
4 73 62 50 55 50 47 93 69 44 30.07 30.00 29.96 10 10 7 21 7 29 T  
5 76 62 47 52 47 40 100 67 33 30.07 30.03 29.99 10 8 0 20 8 28 0.00 Fog
6 75 62 49 45 41 35 80 54 27 30.08 30.04 29.99 10 10 10 15 6 17 0.00  
7 80 66 52 49 40 31 77 47 17 30.07 30.03 29.98 10 10 10 10 2 15 0.00  
8 82 66 49 48 45 41 77 51 25 30.05 30.01 29.96 10 10 10 8 1 10 0.00  
9 72 61 49 61 55 46 100 76 52 29.98 29.91 29.85 10 8 2 22 6 29 0.92 Rain , Thunderstorm
10 51 49 46 48 45 43 100 89 77 30.03 29.93 29.83 10 9 2 20 10 24 0.14 Rain
11 59 49 39 48 37 26 100 66 32 30.10 29.97 29.87 10 9 5 29 13 38 T  
12 56 46 36 33 27 23 70 49 27 30.17 30.13 30.10 10 10 10 21 10 30 0.00  
13 66 50 33 38 31 25 89 56 23 30.21 30.12 29.97 10 10 10 14 5 20 0.00  
14 92 72 52 60 49 37 66 44 21 29.95 29.77 29.62 10 10 10 20 11 25 T  
15 82 71 59 56 48 43 56 40 24 29.87 29.79 29.63 10 10 10 22 8 30 T  
16 84 70 56 52 46 40 80 53 26 29.97 29.91 29.86 10 10 10 17 5 23 0.00  
17 74 66 58 55 48 40 64 54 43 30.05 30.01 29.96 10 10 10 18 8 24 T  
18 82 69 56 64 57 46 84 68 51 30.07 30.01 29.93 10 9 5 15 8 18 0.00  
19 88 75 62 64 61 57 90 67 43 29.96 29.85 29.73 10 9 4 31 11 41 0.10 Rain , Thunderstorm
20 85 75 64 68 61 57 93 68 43 29.78 29.73 29.69 10 10 5 32 14 38 0.23 Rain , Thunderstorm
21 80 70 60 64 60 55 93 71 48 29.71 29.69 29.66 10 10 8 26 10 35 0.00  
22 73 67 61 63 58 52 93 71 49 29.78 29.68 29.64 10 10 8 18 7 23 0.05 Rain
23 63 53 42 58 50 35 93 72 51 30.33 29.99 29.78 10 8 2 24 12 31 0.18 Rain
24 66 52 37 38 35 32 85 60 34 30.48 30.39 30.32 10 10 10 13 5 16 0.00  
25 58 52 46 43 38 32 80 60 39 30.43 30.36 30.32 10 10 10 13 5 16 0.02 Rain
26 66 56 45 54 45 34 93 71 48 30.32 30.24 30.14 10 9 5 20 9 22 0.19 Rain
27 61 57 52 58 55 49 100 92 84 30.12 29.99 29.88 10 3 1 17 9 22 0.02 Rain
28 79 67 55 72 64 54 100 90 79 29.87 29.78 29.71 10 7 1 28 10 40 0.26 Rain , Thunderstorm
29 84 74 63 69 65 60 93 74 55 29.94 29.87 29.78 10 10 8 23 10 28 T Rain
30 85 74 63 68 65 61 93 72 51 29.89 29.83 29.73 10 10 4 36 19 55 0.49 Rain , Thunderstorm
31 75 69 62 68 64 61 100 84 68 29.84 29.79 29.70 10 10 8 29 13 40 0.11 Rain