Weather History for Groton, CT

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Week of September 23, 2012 through September 29, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 75 °F 69 °F 60 °F
Mean Temperature 70 °F 61 °F 54 °F
Min Temperature 64 °F 54 °F 42 °F
Degree Days  
Heating Degree Days (base 65) 10 5 0 32
Cooling Degree Days (base 65) 4 1 0 7
Growing Degree Days (base 50) 20 11 4 78
Dew Point  
Dew Point 65 °F 54 °F 40 °F
Precipitation  
Precipitation 0.07 in 0.02 in 0.00 in 0.15 in
Snowdepth - - - -
Wind  
Wind 22 mph 9 mph 0 mph
Gust Wind 30 mph 24 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.21 in 30.06 in 29.82 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Sep. 29, 2012 Rise Set
Actual Time 6:43 AM EDT 6:32 PM EDT
Civil Twilight 6:15 AM EDT 7:00 PM EDT
Nautical Twilight 5:43 AM EDT 7:32 PM EDT
Astronomical Twilight 5:11 AM EDT 8:04 PM EDT
Moon 6:03 PM EDT 6:11 AM EDT
Length of Visible Light 12h 44m
Length of Day
11h 49m
Full, 100% of the Moon is Illuminated
Sep 29
Full
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First 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  
23 70 58 48 64 51 41 90 68 36 30.10 29.97 29.82 10 10 8 17 9 24 0.03 Rain
24 66 54 45 47 44 41 90 71 45 30.15 30.11 30.08 10 10 10 12 5 - 0.00  
25 71 56 42 56 49 40 93 68 47 30.20 30.16 30.14 10 10 7 22 9 29 0.02  
26 73 68 64 65 62 56 90 77 69 30.16 30.08 30.02 10 8 6 20 15 25 0.00  
27 75 70 63 65 60 55 90 77 50 30.21 30.13 30.02 10 8 6 16 6 - 0.00 Rain
28 68 64 59 65 58 50 94 81 65 30.21 30.07 29.92 10 8 4 21 13 30 0.03 Rain , Thunderstorm
29 60 58 57 57 55 54 94 91 87 29.92 29.90 29.87 10 7 2 13 7 - 0.07 Rain