Weather History for St. Johnsbury, VT

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 81 °F 68 °F 48 °F
Mean Temperature 70 °F 57 °F 42 °F
Min Temperature 62 °F 46 °F 34 °F
Degree Days  
Heating Degree Days (base 65) 23 8 0 246
Cooling Degree Days (base 65) 5 1 0 17
Growing Degree Days (base 50) 20 7 0 222
Dew Point  
Dew Point 67 °F 50 °F 33 °F
Precipitation  
Precipitation 1.07 in 0.16 in 0.00 in 4.86 in
Snowdepth - - - -
Wind  
Wind - - -
Gust Wind - - -
Sea Level Pressure  
Sea Level Pressure 30.37 in 30.00 in 29.48 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 23, 2012 Rise Set
Actual Time 6:36 AM EDT 6:42 PM EDT
Civil Twilight 6:07 AM EDT 7:11 PM EDT
Nautical Twilight 5:33 AM EDT 7:45 PM EDT
Astronomical Twilight 4:59 AM EDT 8:20 PM EDT
Moon 2:53 PM EDT (9/23) No Moon Set
Length of Visible Light 13h 03m
Length of Day
12h 05m
First Quarter, 60% of the Moon is Illuminated
Sep 23
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter

Weather History Calendar

Precipitation Actual month total 4.86 Normal Month Total: 3.39
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
76 | 53 0.00
Average:
76 | 54 0.10
Clear
Actual:
75 | 51 0.00
Average:
76 | 54 0.10
Clear
Actual:
78 | 49 0.00
Average:
75 | 54 0.10
Clear
Actual:
66 | 56 0.36
Average:
75 | 54 0.11
Clear
Actual:
74 | 62 0.94
Average:
75 | 53 0.09
Clear
Actual:
78 | 58 0.00
Average:
74 | 53 0.10
Clear
Actual:
81 | 59 0.00
Average:
74 | 53 0.10
Clear
Actual:
80 | 59 0.71
Average:
74 | 53 0.10
Clear
Actual:
67 | 48 0.00
Average:
73 | 52 0.10
Clear
Actual:
59 | 46 0.00
Average:
73 | 52 0.11
Clear
Actual:
67 | 38 0.00
Average:
73 | 51 0.10
Clear
Actual:
76 | 43 0.00
Average:
72 | 51 0.10
Clear
Actual:
80 | 47 0.00
Average:
72 | 51 0.11
Clear
Actual:
80 | 51 0.00
Average:
72 | 50 0.11
Clear
Actual:
66 | 47 0.01
Average:
71 | 50 0.11
Clear
Actual:
61 | 39 0.00
Average:
71 | 50 0.11
Clear
Actual:
74 | 35 0.00
Average:
70 | 49 0.11
Clear
Actual:
70 | 46 1.07
Average:
70 | 49 0.12
Clear
Actual:
65 | 40 0.14
Average:
70 | 48 0.12
Clear
Actual:
63 | 35 0.00
Average:
69 | 48 0.12
Clear
Actual:
68 | 39 0.00
Average:
69 | 47 0.12
Clear
Actual:
73 | 46 0.28
Average:
68 | 47 0.13
Clear
Actual:
62 | 41 0.12
Average:
68 | 46 0.14
Clear
Actual:
58 | 37 0.22
Average:
67 | 46 0.12
Clear
Actual:
68 | 34 0.00
Average:
67 | 45 0.13
Clear
Actual:
63 | 47 0.41
Average:
66 | 45 0.13
Clear
Actual:
59 | 37 0.00
Average:
66 | 44 0.12
Clear
Actual:
48 | 35 0.06
Average:
66 | 44 0.13
Clear
Actual:
57 | 48 0.27
Average:
65 | 43 0.13
Clear
Actual:
56 | 50 0.27
Average:
65 | 43 0.12
 

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 76 65 53 63 56 51 100 72 43 30.09 30.01 29.88 - - - - - - 0.00  
2 75 63 51 55 49 43 96 65 33 30.14 30.09 30.05 - - - - - - 0.00  
3 78 64 49 58 53 47 93 68 43 30.21 30.13 30.06 - - - - - - 0.00  
4 66 61 56 62 59 54 100 91 81 30.08 29.99 29.81 - - - - - - 0.36  
5 74 68 62 65 63 62 100 84 68 29.83 29.75 29.62 - - - - - - 0.94  
6 78 68 58 65 62 58 100 90 79 29.88 29.83 29.77 - - - - - - 0.00  
7 81 70 59 64 59 52 100 68 36 29.91 29.87 29.83 - - - - - - 0.00  
8 80 70 59 67 62 56 100 79 58 29.83 29.65 29.48 - - - - - - 0.71  
9 67 58 48 58 49 46 96 72 48 29.91 29.81 29.65 - - - - - - 0.00  
10 59 53 46 49 45 42 100 79 57 30.07 29.97 29.90 - - - - - - 0.00  
11 67 53 38 49 43 39 100 71 42 30.25 30.19 30.09 - - - - - - 0.00  
12 76 60 43 55 48 43 100 69 38 30.37 30.29 30.24 - - - - - - 0.00  
13 80 64 47 58 52 47 100 67 33 30.35 30.27 30.19 - - - - - - 0.00  
14 80 66 51 62 56 52 100 71 42 30.23 30.12 29.96 - - - - - - 0.00  
15 66 57 47 56 49 44 93 74 55 30.05 30.01 29.95 - - - - - - 0.01  
16 61 50 39 45 39 33 100 68 36 30.10 30.05 30.00 - - - - - - 0.00  
17 74 55 35 56 45 36 100 72 44 30.11 30.03 29.95 - - - - - - 0.00  
18 70 58 46 66 56 45 100 89 78 29.99 29.79 29.52 - - - - - - 1.07  
19 65 53 40 64 45 33 100 69 37 30.24 29.95 29.59 - - - - - - 0.14  
20 63 49 35 45 39 36 100 70 39 30.30 30.21 30.12 - - - - - - 0.00  
21 68 54 39 50 45 38 100 75 49 30.15 30.08 29.99 - - - - - - 0.00  
22 73 60 46 60 52 45 100 77 53 30.02 29.86 29.75 - - - - - - 0.28  
23 62 52 41 58 44 35 100 70 39 30.07 29.93 29.77 - - - - - - 0.12  
24 58 48 37 49 42 37 100 78 55 30.15 30.07 30.02 - - - - - - 0.22  
25 68 51 34 47 41 34 100 71 42 30.07 30.04 30.00 - - - - - - 0.00  
26 63 55 47 57 52 44 100 92 84 30.04 29.99 29.94 - - - - - - 0.41  
27 59 48 37 54 42 37 100 74 47 30.28 30.18 30.02 - - - - - - 0.00  
28 48 42 35 47 41 34 100 91 82 30.27 30.19 30.06 - - - - - - 0.06  
29 57 53 48 53 50 47 100 90 80 30.04 29.95 29.89 - - - - - - 0.27  
30 56 53 50 54 52 50 100 95 89 29.91 29.77 29.60 - - - - - - 0.27