Weather History for Rochester, NY

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 86 °F 72 °F 57 °F
Mean Temperature 76 °F 62 °F 50 °F
Min Temperature 68 °F 52 °F 39 °F
Degree Days  
Heating Degree Days (base 65) 15 5 0 145
Cooling Degree Days (base 65) 11 2 0 62
Growing Degree Days (base 50) 26 12 0 355
Dew Point  
Dew Point 72 °F 52 °F 37 °F
Precipitation  
Precipitation 2.64 in 0.15 in 0.00 in 4.45 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 26 mph 6 mph 0 mph
Gust Wind 38 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.31 in 30.00 in 29.42 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 12, 2012 Rise Set
Actual Time 6:47 AM EDT 7:25 PM EDT
Civil Twilight 6:18 AM EDT 7:53 PM EDT
Nautical Twilight 5:44 AM EDT 8:27 PM EDT
Astronomical Twilight 5:09 AM EDT 9:02 PM EDT
Moon 2:57 AM EDT (9/12) 5:15 PM EDT (9/12)
Length of Visible Light 13h 35m
Length of Day
12h 37m
Waning Crescent, 14% of the Moon is Illuminated
Sep 12
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Weather History Calendar

Precipitation Actual month total 4.45 Normal Month Total: 3.38
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
82 | 59 0.00
Average:
77 | 57 0.11
Partly Cloudy
Actual:
84 | 55 0.00
Average:
76 | 57 0.11
Scattered Clouds
Actual:
86 | 57 0.00
Average:
76 | 56 0.11
Thunderstorm
Actual:
84 | 68 2.64
Average:
76 | 56 0.11
Rain
Actual:
81 | 65 0.00
Average:
76 | 56 0.11
Partly Cloudy
Actual:
82 | 65 0.00
Average:
75 | 55 0.11
Thunderstorm
Actual:
83 | 60 0.05
Average:
75 | 55 0.10
Thunderstorm
Actual:
72 | 54 0.20
Average:
75 | 55 0.11
Partly Cloudy
Actual:
67 | 51 0.00
Average:
74 | 54 0.11
Scattered Clouds
Actual:
68 | 48 0.00
Average:
74 | 54 0.11
Scattered Clouds
Actual:
75 | 46 0.00
Average:
74 | 54 0.11
Scattered Clouds
Actual:
80 | 52 0.00
Average:
73 | 53 0.11
Scattered Clouds
Actual:
83 | 58 0.00
Average:
73 | 53 0.12
Thunderstorm
Actual:
81 | 53 0.36
Average:
72 | 53 0.12
Partly Cloudy
Actual:
65 | 50 0.00
Average:
72 | 52 0.11
Partly Cloudy
Actual:
71 | 47 0.00
Average:
72 | 52 0.12
Partly Cloudy
Actual:
76 | 53 0.00
Average:
71 | 52 0.12
Thunderstorm
Actual:
73 | 50 0.56
Average:
71 | 51 0.12
Scattered Clouds
Actual:
62 | 44 0.00
Average:
70 | 51 0.11
Partly Cloudy
Actual:
72 | 41 0.00
Average:
70 | 51 0.12
Thunderstorm
Actual:
72 | 58 0.14
Average:
70 | 50 0.12
Rain
Actual:
68 | 48 0.16
Average:
69 | 50 0.12
Scattered Clouds
Actual:
61 | 42 0.00
Average:
69 | 49 0.12
Partly Cloudy
Actual:
60 | 39 0.00
Average:
68 | 49 0.11
Rain
Actual:
73 | 50 0.01
Average:
68 | 49 0.12
Rain
Actual:
69 | 55 T
Average:
68 | 48 0.11
Partly Cloudy
Actual:
63 | 43 0.00
Average:
67 | 48 0.11
Rain
Actual:
57 | 42 0.03
Average:
67 | 47 0.11
Partly Cloudy
Actual:
63 | 43 0.07
Average:
66 | 47 0.10
Rain
Actual:
59 | 50 0.23
Average:
66 | 47 0.11
 

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

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  
1 82 71 59 64 57 49 90 63 36 30.12 30.07 29.99 10 10 10 13 5 16 0.00  
2 84 70 55 60 55 50 93 63 33 30.10 30.06 30.03 10 10 10 18 5 22 0.00  
3 86 72 57 68 63 55 93 74 55 30.06 30.02 29.96 10 10 8 18 6 24 0.00  
4 84 76 68 72 69 66 100 83 65 29.97 29.84 29.76 10 6 1 21 7 26 2.64 Rain , Thunderstorm
5 81 73 65 68 65 63 100 77 54 29.91 29.86 29.83 10 10 2 9 3 12 0.00 Rain
6 82 74 65 69 64 60 93 75 56 29.91 29.86 29.81 10 10 10 15 5 18 0.00  
7 83 72 60 65 62 59 100 73 46 29.94 29.87 29.70 10 8 0 21 4 26 0.05 Fog , Rain , Thunderstorm
8 72 63 54 67 61 52 93 78 63 29.80 29.59 29.42 10 9 1 25 8 36 0.20 Rain , Thunderstorm
9 67 59 51 54 50 43 100 71 42 30.00 29.90 29.80 10 10 10 16 7 20 0.00  
10 68 58 48 49 44 39 93 65 37 30.17 30.12 30.01 10 10 10 17 6 23 0.00  
11 75 61 46 55 49 44 93 67 41 30.28 30.23 30.18 10 10 10 10 6 18 0.00  
12 80 66 52 57 52 49 84 60 35 30.31 30.26 30.22 10 10 10 16 7 21 0.00  
13 83 71 58 62 57 53 93 67 40 30.30 30.25 30.20 10 10 9 17 7 22 0.00  
14 81 67 53 65 59 52 100 77 54 30.20 30.14 30.05 10 9 2 26 8 38 0.36 Rain , Thunderstorm
15 65 58 50 52 50 49 100 80 60 30.25 30.19 30.15 10 10 10 10 5 15 0.00  
16 71 59 47 56 51 46 100 77 53 30.17 30.10 30.04 10 10 10 13 6 16 0.00  
17 76 65 53 55 51 48 89 64 38 30.06 29.98 29.86 10 10 10 17 8 21 0.00  
18 73 62 50 64 59 45 100 84 67 29.82 29.61 29.46 10 7 2 24 10 35 0.56 Rain , Thunderstorm
19 62 53 44 45 43 39 100 73 46 30.19 30.07 29.85 10 10 10 16 6 22 0.00  
20 72 57 41 49 45 40 96 67 38 30.16 30.05 29.94 10 10 10 20 8 24 0.00  
21 72 65 58 59 55 50 93 77 60 29.94 29.92 29.86 10 10 7 22 4 28 0.14 Rain , Thunderstorm
22 68 58 48 58 52 43 100 80 60 29.93 29.77 29.61 10 10 5 24 9 36 0.16 Rain
23 61 52 42 44 40 37 96 69 42 30.15 30.06 29.94 10 10 10 24 10 31 0.00  
24 60 50 39 42 40 37 96 72 47 30.17 30.10 29.99 10 10 10 22 10 30 0.00  
25 73 62 50 52 42 38 80 57 34 30.01 29.98 29.95 10 10 10 22 9 26 0.01 Rain
26 69 62 55 61 55 41 84 70 55 30.13 29.98 29.93 10 10 5 13 7 18 T Rain
27 63 53 43 48 43 39 96 72 48 30.26 30.21 30.14 10 10 10 17 6 20 0.00  
28 57 50 42 52 48 40 100 90 80 30.18 30.10 30.06 10 10 3 13 2 16 0.03 Rain
29 63 53 43 52 45 41 100 76 51 30.06 30.01 29.96 10 10 10 12 3 14 0.07  
30 59 55 50 51 49 48 96 84 72 29.95 29.89 29.83 10 10 5 15 7 18 0.23 Rain