Weather History for Rochester, NH

Change the Weather History Date:

Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 84 °F 70 °F 52 °F
Mean Temperature 72 °F 60 °F 46 °F
Min Temperature 64 °F 50 °F 37 °F
Degree Days  
Heating Degree Days (base 65) 18 6 0 183
Cooling Degree Days (base 65) 8 1 0 32
Growing Degree Days (base 50) 22 10 0 303
Dew Point  
Dew Point 73 °F 53 °F 34 °F
Precipitation  
Precipitation 0.79 in 0.10 in 0.00 in 2.87 in
Snowdepth - - - -
Wind  
Wind 20 mph 3 mph 0 mph
Gust Wind 28 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.35 in 30.01 in 29.60 in

Monthly Weather History Graph

Monthly Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Sep. 04, 2012 Rise Set
Actual Time 6:11 AM EDT 7:12 PM EDT
Civil Twilight 5:42 AM EDT 7:41 PM EDT
Nautical Twilight 5:07 AM EDT 8:16 PM EDT
Astronomical Twilight 4:31 AM EDT 8:52 PM EDT
Moon 8:54 PM EDT (9/4) 10:24 AM EDT (9/4)
Length of Visible Light 13h 59m
Length of Day
13h 01m
Waning Gibbous, 84% of the Moon is Illuminated
Sep 4
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full

Weather History Calendar

 
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Fog
Actual:
78 | 57 0.00
Average:
- | - -
Mostly Cloudy
Actual:
71 | 57 0.00
Average:
- | - -
Fog
Actual:
75 | 51 0.00
Average:
- | - -
Rain
Actual:
66 | 55 0.77
Average:
- | - -
Rain
Actual:
79 | 64 0.35
Average:
- | - -
Partly Cloudy
Actual:
77 | 64 0.01
Average:
- | - -
Fog
Actual:
84 | 59 0.00
Average:
- | - -
Thunderstorm
Actual:
81 | 63 0.79
Average:
- | - -
Rain
Actual:
73 | 54 0.00
Average:
- | - -
Partly Cloudy
Actual:
66 | 48 0.01
Average:
- | - -
Clear
Actual:
73 | 45 0.00
Average:
- | - -
Clear
Actual:
77 | 46 0.00
Average:
- | - -
Clear
Actual:
82 | 51 0.00
Average:
- | - -
Clear
Actual:
82 | 54 0.01
Average:
- | - -
Rain
Actual:
71 | 51 0.01
Average:
- | - -
Clear
Actual:
66 | 46 0.00
Average:
- | - -
Clear
Actual:
73 | 37 0.00
Average:
- | - -
Rain
Actual:
71 | 46 0.08
Average:
- | - -
Rain
Actual:
70 | 46 0.47
Average:
- | - -
Clear
Actual:
64 | 41 0.00
Average:
- | - -
Scattered Clouds
Actual:
63 | 39 0.00
Average:
- | - -
Rain
Actual:
69 | 51 0.03
Average:
- | - -
Rain
Actual:
68 | 48 0.01
Average:
- | - -
Scattered Clouds
Actual:
64 | 39 0.01
Average:
- | - -
Clear
Actual:
71 | 37 0.00
Average:
- | - -
Rain
Actual:
71 | 54 0.01
Average:
- | - -
Rain
Actual:
66 | 46 0.01
Average:
- | - -
Rain
Actual:
52 | 41 0.15
Average:
- | - -
Overcast
Actual:
55 | 48 0.12
Average:
- | - -
Rain
Actual:
57 | 51 0.03
Average:
- | - -
 

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 78 67 57 65 59 53 100 77 50 30.12 30.00 29.84 10 8 0 8 4 - 0.00 Fog
2 71 63 57 61 57 53 94 80 64 30.16 30.11 30.09 10 10 10 9 3 - 0.00  
3 75 63 51 60 56 52 100 88 53 30.24 30.19 30.14 10 6 0 9 1 - 0.00 Fog
4 66 60 55 64 61 53 100 96 88 30.15 30.05 29.86 10 4 0 6 1 - 0.77 Fog , Rain
5 79 72 64 73 67 64 100 89 62 29.86 29.75 29.66 10 6 0 15 3 22 0.35 Fog , Rain
6 77 70 64 67 64 63 97 82 66 29.89 29.85 29.83 10 10 10 5 1 - 0.01  
7 84 72 59 66 62 53 100 84 34 29.91 29.87 29.83 10 6 0 8 0 - 0.00 Fog
8 81 72 63 71 67 62 100 87 61 29.89 29.75 29.60 10 6 0 13 3 26 0.79 Fog , Rain , Thunderstorm
9 73 64 54 59 54 48 96 74 43 29.85 29.79 29.69 10 10 10 9 4 - 0.00 Rain
10 66 57 48 52 47 43 93 70 50 30.02 29.92 29.85 10 10 10 18 7 28 0.01  
11 73 58 45 49 44 37 89 63 29 30.24 30.15 30.02 10 10 10 8 4 - 0.00  
12 77 62 46 53 49 44 93 73 40 30.35 30.31 30.25 10 10 10 8 2 - 0.00  
13 82 66 51 61 55 49 93 71 37 30.32 30.28 30.22 10 10 10 6 1 - 0.00  
14 82 68 54 63 59 53 97 77 49 30.22 30.15 30.04 10 10 8 8 2 - 0.01  
15 71 62 51 60 52 43 96 72 41 30.04 30.00 29.96 10 8 4 20 3 26 0.01 Rain
16 66 56 46 44 40 35 89 60 34 30.06 30.02 29.97 10 10 10 15 3 21 0.00  
17 73 55 37 52 44 36 93 73 42 30.09 30.05 30.02 10 10 10 6 1 - 0.00  
18 71 58 46 67 57 45 100 87 65 30.04 29.89 29.66 10 8 2 15 4 28 0.08 Rain
19 70 59 46 68 56 35 100 77 32 30.21 29.83 29.66 10 8 2 16 7 24 0.47 Rain
20 64 52 41 44 40 37 93 68 40 30.28 30.22 30.17 10 10 10 7 5 - 0.00  
21 63 50 39 52 46 39 97 86 65 30.18 30.14 30.06 10 10 10 8 4 - 0.00  
22 69 60 51 59 55 50 100 90 70 30.06 29.93 29.82 10 7 1 8 3 - 0.03 Rain
23 68 58 48 58 49 38 93 69 36 30.06 29.91 29.77 10 10 6 13 4 21 0.01 Rain
24 64 52 39 44 40 37 93 69 37 30.12 30.07 30.04 10 10 10 8 2 - 0.01  
25 71 54 37 47 41 34 93 66 31 30.13 30.10 30.08 10 10 10 6 2 - 0.00  
26 71 62 54 60 57 49 93 81 68 30.10 30.03 29.97 10 10 8 8 3 - 0.01 Rain
27 66 55 46 59 47 39 93 71 39 30.25 30.12 29.97 10 10 8 14 4 21 0.01 Rain
28 52 46 41 52 48 39 100 94 80 30.26 30.16 30.05 10 6 2 7 5 - 0.15 Rain
29 55 52 48 52 50 48 97 91 80 29.97 29.92 29.88 10 7 2 10 7 - 0.12  
30 57 54 51 55 53 50 100 94 88 29.91 29.76 29.66 10 8 0 7 3 - 0.03 Fog , Rain