Weather History for St. Catharines, ON

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Week of May 12, 2013 through May 18, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 77 °F 62 °F 50 °F
Mean Temperature 66 °F 54 °F 42 °F
Min Temperature 55 °F 45 °F 35 °F
Degree Days  
Heating Degree Days (base 65) 22 11 0 78
Cooling Degree Days (base 65) 1 0 0 1
Growing Degree Days (base 50) 16 6 0 43
Dew Point  
Dew Point 59 °F 39 °F 25 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 31 mph 12 mph 0 mph
Gust Wind 37 mph 25 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.23 in 29.97 in 29.52 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

May. 14, 2013 Rise Set
Actual Time 5:53 AM EDT 8:32 PM EDT
Civil Twilight 5:21 AM EDT 9:05 PM EDT
Nautical Twilight 4:40 AM EDT 9:46 PM EDT
Astronomical Twilight 3:53 AM EDT 10:34 PM EDT
Moon 9:32 AM EDT (5/14) No Moon Set
Length of Visible Light 15h 44m
Length of Day
14h 39m
Waxing Crescent, 19% of the Moon is Illuminated
May 14
Waxing Crescent
May 18
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New

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  
12 50 44 39 36 33 30 81 64 50 29.91 29.81 29.78 15 14 10 25 20 37 0.00 Rain
13 50 42 35 34 30 25 81 55 40 30.12 30.09 30.02 15 15 12 20 14 25 0.00 Rain
14 55 47 39 37 32 28 87 48 36 30.15 30.07 29.96 15 15 12 15 8 22 0.00  
15 77 66 55 59 49 43 67 53 43 29.72 29.63 29.52 15 14 12 31 15 37 0.00 Rain
16 73 65 53 46 42 36 63 42 27 29.97 29.84 29.77 15 15 15 20 12 30 0.00  
17 62 52 42 45 42 37 93 58 39 30.22 30.19 30.16 15 15 15 13 6 - 0.00  
18 69 60 51 48 45 43 76 52 40 30.23 30.18 30.13 15 15 15 16 10 22 0.00