Grand Rapids, MI

11:06 AM EDT on April 23, 2017 (GMT -0400)
Gerald R. Ford International

Weather History for KGRR - September, 2012

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Week of September 9, 2012 through September 15, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 84 °F 77 °F 73 °F
Mean Temperature 71 °F 64 °F 60 °F
Min Temperature 58 °F 51 °F 44 °F
Degree Days  
Heating Degree Days (base 65) 5 2 0 15
Cooling Degree Days (base 65) 6 1 0 9
Growing Degree Days (base 50) 20 14 10 95
Dew Point  
Dew Point 63 °F 50 °F 40 °F
Precipitation  
Precipitation 0.22 in 0.04 in 0.00 in 0.24 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 23 mph 6 mph 0 mph
Gust Wind 28 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.35 in 30.18 in 29.86 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Sep. 11, 2012 Rise Set
Actual Time 7:17 AM EDT 7:58 PM EDT
Civil Twilight 6:49 AM EDT 8:26 PM EDT
Nautical Twilight 6:15 AM EDT 9:00 PM EDT
Astronomical Twilight 5:40 AM EDT 9:35 PM EDT
Moon 2:29 AM EDT (9/11) 5:12 PM EDT (9/11)
Length of Visible Light 13h 37m
Length of Day
12h 40m
Waning Crescent, 21% of the Moon is Illuminated
Sep 11
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Daily Weather History & Observations

2012 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  
9 73 63 53 53 48 41 93 62 31 30.13 30.00 29.86 10 10 9 15 5 18 T Fog
10 75 61 46 52 48 43 93 67 41 30.25 30.18 30.14 10 10 10 13 4 21 0.00  
11 81 67 53 54 51 47 89 63 36 30.18 30.14 30.09 10 10 10 22 10 28 0.00  
12 84 71 58 59 55 52 78 56 34 30.19 30.15 30.12 10 10 10 20 9 24 0.00  
13 77 66 54 63 57 51 93 73 53 30.32 30.23 30.15 10 9 5 18 8 22 0.22 Rain
14 73 61 49 54 47 40 93 64 35 30.33 30.30 30.26 10 10 8 23 6 26 0.02 Rain
15 76 60 44 48 44 40 92 61 29 30.35 30.27 30.16 10 10 10 10 3 13 0.00