Weather History for Grand Rapids, MI

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Month of October, 2009

  Max Avg Min Sum
Temperature  
Max Temperature 68 °F 56 °F 45 °F
Mean Temperature 60 °F 48 °F 37 °F
Min Temperature 53 °F 41 °F 27 °F
Degree Days  
Heating Degree Days (base 65) 28 17 5 513
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 10 1 0 41
Dew Point  
Dew Point 63 °F 40 °F 22 °F
Precipitation  
Precipitation 2.83 in 0.34 in 0.00 in 7.80 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 38 mph 9 mph 0 mph
Gust Wind 51 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.39 in 29.98 in 29.36 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Oct. 10, 2009 Rise Set
Actual Time 7:49 AM EDT 7:07 PM EDT
Civil Twilight 7:21 AM EDT 7:35 PM EDT
Nautical Twilight 6:48 AM EDT 8:08 PM EDT
Astronomical Twilight 6:15 AM EDT 8:41 PM EDT
Moon 11:54 PM EDT (10/10) 2:46 PM EDT (10/10)
Length of Visible Light 12h 14m
Length of Day
11h 17m
Waning Gibbous, 58% of the Moon is Illuminated
Oct 10
Waning Gibbous
Oct 11
Last Quarter
Oct 18
New
Oct 25
First Quarter
Nov 2
Full

Weather History Calendar

Precipitation Actual month total 7.80 Normal Month Total: 2.80
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
60 | 30 0.21
Average:
66 | 45 0.11
Rain
Actual:
58 | 48 0.29
Average:
66 | 45 0.11
Rain
Actual:
56 | 48 0.27
Average:
65 | 45 0.11
Rain
Actual:
57 | 50 0.04
Average:
65 | 44 0.10
Partly Cloudy
Actual:
59 | 46 0.00
Average:
64 | 44 0.10
Rain
Actual:
61 | 45 0.65
Average:
64 | 44 0.10
Rain
Actual:
55 | 42 0.06
Average:
64 | 43 0.10
Rain
Actual:
58 | 42 0.04
Average:
63 | 43 0.09
Rain
Actual:
51 | 44 0.61
Average:
63 | 42 0.09
Rain
Actual:
52 | 32 T
Average:
62 | 42 0.09
Partly Cloudy
Actual:
46 | 28 0.00
Average:
62 | 42 0.09
Rain
Actual:
48 | 34 0.01
Average:
61 | 41 0.09
Rain
Actual:
51 | 34 T
Average:
61 | 41 0.09
Rain
Actual:
45 | 35 T
Average:
61 | 41 0.09
Rain
Actual:
46 | 38 T
Average:
60 | 40 0.08
Mostly Cloudy
Actual:
48 | 34 0.00
Average:
60 | 40 0.08
Partly Cloudy
Actual:
51 | 34 0.00
Average:
59 | 40 0.08
Fog
Actual:
51 | 27 0.00
Average:
59 | 39 0.08
Partly Cloudy
Actual:
63 | 39 0.00
Average:
58 | 39 0.08
Partly Cloudy
Actual:
58 | 45 0.00
Average:
58 | 39 0.08
Rain
Actual:
68 | 52 0.15
Average:
57 | 38 0.08
Rain
Actual:
60 | 42 0.27
Average:
57 | 38 0.08
Rain
Actual:
61 | 42 1.92
Average:
57 | 38 0.08
Rain
Actual:
50 | 40 0.16
Average:
56 | 38 0.08
Partly Cloudy
Actual:
57 | 37 T
Average:
56 | 37 0.09
Rain
Actual:
58 | 48 0.26
Average:
55 | 37 0.09
Rain
Actual:
55 | 46 T
Average:
55 | 37 0.09
Rain
Actual:
59 | 46 T
Average:
54 | 36 0.09
Mostly Cloudy
Actual:
62 | 45 T
Average:
54 | 36 0.09
Rain
Actual:
67 | 53 2.83
Average:
53 | 36 0.09
Rain
Actual:
53 | 42 0.03
Average:
53 | 36 0.10
 

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

2009 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Oct high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 60 45 30 45 37 30 92 68 43 30.13 30.03 29.87 10 10 6 9 3 12 0.21 Fog , Rain
2 58 53 48 50 46 42 93 77 61 29.86 29.60 29.51 10 8 1 22 12 28 0.29 Rain
3 56 52 48 49 46 44 89 83 77 29.81 29.65 29.55 10 9 6 22 8 25 0.27 Rain
4 57 54 50 48 47 44 86 76 66 30.02 29.93 29.81 10 10 7 22 9 26 0.04 Rain
5 59 53 46 48 44 40 86 71 55 30.08 30.05 30.01 10 10 10 14 6 18 0.00  
6 61 53 45 56 47 42 93 74 55 30.01 29.62 29.39 10 7 2 37 13 47 0.65 Rain
7 55 49 42 45 40 39 89 74 59 30.01 29.82 29.40 10 10 3 38 15 51 0.06 Rain
8 58 50 42 48 44 38 93 75 57 30.01 29.96 29.90 10 9 5 16 7 20 0.04 Rain
9 51 48 44 48 46 41 93 90 86 29.99 29.87 29.83 10 5 2 15 6 20 0.61 Rain
10 52 42 32 42 35 28 96 71 46 30.26 30.10 30.01 10 5 0 23 9 28 T Fog , Rain
11 46 37 28 28 25 23 85 65 45 30.39 30.35 30.25 10 10 10 13 4 17 0.00  
12 48 41 34 41 34 29 89 73 56 30.37 30.23 30.12 10 10 9 10 3 13 0.01 Rain
13 51 43 34 41 34 29 89 66 42 30.38 30.27 30.11 10 8 2 17 7 23 T Rain
14 45 40 35 36 32 29 82 70 58 30.37 30.28 30.14 10 10 10 16 8 20 T Rain
15 46 42 38 29 28 26 70 60 49 30.11 30.03 29.99 10 10 10 18 12 24 T Rain
16 48 41 34 31 29 26 82 64 45 30.20 30.11 30.04 10 10 10 14 5 17 0.00  
17 51 43 34 33 29 22 89 61 32 30.32 30.28 30.20 10 10 10 15 4 23 0.00  
18 51 39 27 36 31 25 92 74 56 30.36 30.29 30.15 10 7 0 13 5 18 0.00 Fog
19 63 51 39 44 38 32 79 64 48 30.14 30.03 29.93 10 10 10 22 12 28 0.00  
20 58 52 45 48 44 40 83 73 62 30.11 30.06 30.00 10 10 9 12 4 15 0.00  
21 68 60 52 53 51 47 93 76 58 30.12 30.06 29.92 10 6 2 17 8 22 0.15 Rain
22 60 51 42 52 45 39 93 75 57 30.05 29.99 29.90 10 7 2 25 12 30 0.27 Rain
23 61 52 42 56 46 37 93 88 82 30.00 29.61 29.36 10 6 1 29 17 38 1.92 Rain
24 50 45 40 46 40 36 89 80 70 29.87 29.59 29.46 10 7 2 24 14 30 0.16 Rain
25 57 47 37 43 39 34 92 72 51 30.09 30.02 29.89 10 9 6 14 6 16 T  
26 58 53 48 48 45 42 93 78 62 30.13 30.07 29.97 10 8 5 13 6 15 0.26 Rain
27 55 51 46 50 45 41 89 74 59 30.04 29.97 29.88 10 8 2 14 4 18 T Rain
28 59 53 46 48 46 44 93 80 67 30.15 29.97 29.84 10 8 4 9 4 12 T Rain
29 62 54 45 49 46 43 93 77 60 30.22 30.13 29.97 9 4 2 20 10 24 T  
30 67 60 53 63 55 43 93 77 61 29.93 29.64 29.40 10 4 1 32 18 41 2.83 Rain
31 53 48 42 42 33 26 76 65 53 30.07 29.72 29.46 10 10 6 32 19 43 0.03 Rain