Weather History for Baltimore, MD

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 93 °F 80 °F 68 °F
Mean Temperature 83 °F 70 °F 59 °F
Min Temperature 75 °F 60 °F 46 °F
Degree Days  
Heating Degree Days (base 65) 6 1 0 28
Cooling Degree Days (base 65) 18 6 0 170
Growing Degree Days (base 50) 33 20 9 589
Dew Point  
Dew Point 75 °F 58 °F 33 °F
Precipitation  
Precipitation 0.60 in 0.08 in 0.00 in 2.21 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 30 mph 5 mph 0 mph
Gust Wind 47 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.38 in 30.03 in 29.60 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 04, 2012 Rise Set
Actual Time 6:38 AM EDT 7:31 PM EDT
Civil Twilight 6:11 AM EDT 7:59 PM EDT
Nautical Twilight 5:38 AM EDT 8:31 PM EDT
Astronomical Twilight 5:05 AM EDT 9:04 PM EDT
Moon 9:26 PM EDT (9/4) 10:40 AM EDT (9/4)
Length of Visible Light 13h 47m
Length of Day
12h 53m
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

Precipitation Actual month total 2.21 Normal Month Total: 4.03
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Thunderstorm
Actual:
93 | 73 0.32
Average:
83 | 63 0.11
Mostly Cloudy
Actual:
83 | 72 0.00
Average:
83 | 62 0.12
Rain
Actual:
84 | 75 T
Average:
82 | 62 0.13
Partly Cloudy
Actual:
89 | 75 0.01
Average:
82 | 62 0.12
Thunderstorm
Actual:
91 | 75 0.46
Average:
82 | 62 0.12
Rain
Actual:
85 | 70 0.02
Average:
81 | 61 0.12
Scattered Clouds
Actual:
88 | 68 0.00
Average:
81 | 61 0.12
Thunderstorm
Actual:
89 | 65 0.44
Average:
81 | 61 0.13
Partly Cloudy
Actual:
79 | 59 0.00
Average:
81 | 60 0.12
Scattered Clouds
Actual:
75 | 56 0.00
Average:
80 | 60 0.12
Scattered Clouds
Actual:
79 | 51 0.00
Average:
80 | 60 0.13
Clear
Actual:
79 | 53 0.00
Average:
79 | 59 0.13
Fog
Actual:
81 | 55 0.00
Average:
79 | 59 0.14
Fog
Actual:
82 | 55 0.00
Average:
79 | 59 0.14
Partly Cloudy
Actual:
77 | 57 0.00
Average:
78 | 58 0.14
Partly Cloudy
Actual:
76 | 53 0.00
Average:
78 | 58 0.15
Rain
Actual:
74 | 53 0.02
Average:
78 | 57 0.14
Rain
Actual:
79 | 65 0.60
Average:
77 | 57 0.15
Partly Cloudy
Actual:
71 | 52 0.00
Average:
77 | 56 0.14
Partly Cloudy
Actual:
73 | 49 0.00
Average:
76 | 56 0.14
Fog
Actual:
77 | 53 0.00
Average:
76 | 56 0.14
Rain
Actual:
84 | 63 0.04
Average:
76 | 55 0.14
Scattered Clouds
Actual:
69 | 50 0.00
Average:
75 | 55 0.13
Partly Cloudy
Actual:
68 | 50 0.00
Average:
75 | 54 0.15
Partly Cloudy
Actual:
75 | 46 0.00
Average:
74 | 54 0.14
Rain
Actual:
82 | 61 0.09
Average:
74 | 53 0.15
Rain
Actual:
81 | 63 0.11
Average:
74 | 53 0.14
Rain
Actual:
79 | 63 0.06
Average:
73 | 53 0.15
Partly Cloudy
Actual:
70 | 55 0.00
Average:
73 | 52 0.14
Rain
Actual:
73 | 51 0.04
Average:
72 | 52 0.14
 

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 93 83 73 74 70 66 94 72 49 30.06 30.02 29.98 10 8 1 25 5 30 0.32 Rain , Thunderstorm
2 83 78 72 75 73 70 100 87 74 30.04 30.01 29.96 10 6 5 9 3 15 0.00  
3 84 80 75 75 73 70 94 80 65 30.06 30.03 29.99 10 6 3 12 5 15 T Rain
4 89 82 75 75 73 69 94 75 55 30.03 29.96 29.86 10 9 7 17 5 24 0.01  
5 91 83 75 75 72 68 94 72 49 29.85 29.82 29.78 10 9 2 13 6 20 0.46 Rain , Thunderstorm
6 85 78 70 74 71 68 94 80 65 29.93 29.88 29.84 10 10 6 9 5 13 0.02 Rain
7 88 78 68 71 69 66 97 77 57 29.94 29.90 29.83 10 10 8 13 3 16 0.00  
8 89 77 65 72 69 62 100 77 53 29.86 29.75 29.60 10 8 1 24 7 35 0.44 Rain , Thunderstorm
9 79 69 59 60 55 50 93 65 37 29.95 29.87 29.82 10 10 10 14 5 18 0.00  
10 75 66 56 53 49 43 80 57 33 30.17 30.06 29.96 10 10 10 16 7 23 0.00  
11 79 65 51 54 48 41 89 59 28 30.31 30.26 30.18 10 10 9 10 1 17 0.00  
12 79 66 53 56 53 50 93 65 37 30.38 30.33 30.30 10 10 10 10 2 14 0.00  
13 81 68 55 57 53 46 93 63 33 30.38 30.33 30.28 10 10 10 10 2 17 0.00 Fog
14 82 69 55 66 59 53 93 69 45 30.28 30.19 30.11 10 10 10 12 3 15 0.00 Fog
15 77 67 57 63 51 45 93 63 33 30.22 30.15 30.10 10 10 9 17 6 24 0.00  
16 76 65 53 55 51 48 93 66 38 30.17 30.12 30.07 10 10 7 14 4 18 0.00  
17 74 64 53 66 58 51 93 73 53 30.12 30.06 29.98 10 10 8 10 3 14 0.02 Rain
18 79 72 65 70 68 62 97 87 76 29.96 29.76 29.61 10 8 1 30 9 47 0.60 Rain
19 71 62 52 63 50 43 83 60 37 30.17 30.04 29.82 10 10 10 15 6 21 0.00  
20 73 61 49 55 50 46 96 70 44 30.18 30.13 30.08 10 10 10 10 2 13 0.00  
21 77 65 53 62 57 51 93 75 57 30.09 30.03 29.96 10 10 9 14 4 18 0.00 Fog
22 84 74 63 64 61 56 93 69 44 29.96 29.86 29.77 10 10 8 15 6 23 0.04 Rain
23 69 60 50 53 44 39 83 59 35 30.16 30.09 29.91 10 10 10 16 5 23 0.00  
24 68 59 50 47 42 33 83 55 27 30.23 30.18 30.14 10 10 10 16 4 21 0.00  
25 75 61 46 55 48 44 93 66 38 30.21 30.15 30.09 10 10 10 16 5 21 0.00  
26 82 72 61 63 60 55 93 70 46 30.12 30.09 30.04 10 10 8 15 6 21 0.09 Rain
27 81 72 63 66 63 60 93 72 51 30.17 30.12 30.08 10 10 7 18 4 23 0.11 Rain
28 79 71 63 67 62 54 100 77 54 30.09 30.02 29.96 10 7 3 13 3 16 0.06 Fog , Rain
29 70 63 55 53 50 46 86 65 44 30.01 29.96 29.91 10 10 10 14 5 17 0.00  
30 73 62 51 54 49 45 100 68 35 29.91 29.87 29.80 10 10 7 18 5 26 0.04 Rain