Weather History for Boise, ID

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 95 °F 84 °F 67 °F
Mean Temperature 80 °F 69 °F 60 °F
Min Temperature 67 °F 54 °F 44 °F
Degree Days  
Heating Degree Days (base 65) 5 1 0 17
Cooling Degree Days (base 65) 15 4 0 134
Growing Degree Days (base 50) 28 18 9 550
Dew Point  
Dew Point 52 °F 34 °F 15 °F
Precipitation  
Precipitation 0.04 in 0.00 in 0.00 in 0.05 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 20 mph 6 mph 0 mph
Gust Wind 26 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.36 in 30.01 in 29.70 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 06, 2012 Rise Set
Actual Time 7:14 AM MDT 8:10 PM MDT
Civil Twilight 6:45 AM MDT 8:39 PM MDT
Nautical Twilight 6:10 AM MDT 9:14 PM MDT
Astronomical Twilight 5:34 AM MDT 9:50 PM MDT
Moon 11:11 PM MDT (9/6) 1:30 PM MDT (9/6)
Length of Visible Light 13h 53m
Length of Day
12h 55m
Waning Gibbous, 67% of the Moon is Illuminated
Sep 6
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full

Weather History Calendar

Precipitation Actual month total 0.05 Normal Month Total: 0.58
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
85 | 57 0.00
Average:
85 | 56 0.01
Clear
Actual:
86 | 51 0.00
Average:
84 | 56 0.02
Clear
Actual:
88 | 53 0.00
Average:
84 | 55 0.01
Clear
Actual:
86 | 53 0.00
Average:
84 | 55 0.01
Clear
Actual:
91 | 55 0.00
Average:
83 | 55 0.02
Clear
Actual:
85 | 58 0.00
Average:
83 | 54 0.02
Clear
Actual:
88 | 55 0.00
Average:
82 | 54 0.01
Clear
Actual:
95 | 59 0.00
Average:
82 | 54 0.02
Thunderstorm
Actual:
93 | 67 0.01
Average:
82 | 53 0.01
Clear
Actual:
80 | 52 0.00
Average:
81 | 53 0.02
Clear
Actual:
72 | 47 0.00
Average:
81 | 53 0.02
Clear
Actual:
78 | 44 0.00
Average:
80 | 52 0.02
Clear
Actual:
86 | 50 0.00
Average:
80 | 52 0.02
Clear
Actual:
90 | 53 0.00
Average:
80 | 52 0.02
Clear
Actual:
91 | 58 0.00
Average:
79 | 51 0.02
Clear
Actual:
86 | 53 0.00
Average:
79 | 51 0.02
Clear
Actual:
82 | 49 0.00
Average:
78 | 51 0.02
Clear
Actual:
86 | 55 0.00
Average:
78 | 50 0.02
Clear
Actual:
84 | 53 0.00
Average:
77 | 50 0.02
Clear
Actual:
78 | 56 0.00
Average:
77 | 50 0.03
Clear
Actual:
79 | 53 0.00
Average:
77 | 49 0.02
Clear
Actual:
79 | 51 0.00
Average:
76 | 49 0.02
Rain
Actual:
67 | 52 0.04
Average:
76 | 48 0.02
Clear
Actual:
76 | 47 0.00
Average:
75 | 48 0.02
Scattered Clouds
Actual:
79 | 56 0.00
Average:
75 | 48 0.02
Clear
Actual:
82 | 57 0.00
Average:
74 | 47 0.02
Clear
Actual:
85 | 53 0.00
Average:
74 | 47 0.03
Clear
Actual:
82 | 56 0.00
Average:
74 | 47 0.02
Clear
Actual:
84 | 55 0.00
Average:
73 | 46 0.03
Clear
Actual:
82 | 54 0.00
Average:
73 | 46 0.02
 

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 85 71 57 45 34 24 40 26 12 29.97 29.86 29.70 10 10 10 17 7 22 0.00  
2 86 69 51 35 26 18 43 26 9 30.09 30.01 29.93 10 9 4 13 5 15 0.00  
3 88 71 53 37 26 21 29 20 11 30.05 29.97 29.88 10 10 10 12 5 15 0.00  
4 86 70 53 38 33 25 54 34 14 30.08 30.01 29.94 10 10 10 16 6 23 0.00  
5 91 73 55 41 34 29 40 26 11 30.03 29.93 29.79 10 10 10 10 5 13 0.00  
6 85 72 58 40 35 31 46 31 15 30.00 29.93 29.80 10 10 8 9 4 13 0.00  
7 88 72 55 41 36 30 43 30 16 30.18 30.11 30.01 10 10 10 15 6 20 0.00  
8 95 77 59 33 29 27 29 20 10 30.15 30.04 29.87 10 10 10 17 7 21 0.00  
9 93 80 67 44 36 28 34 25 15 29.97 29.81 29.70 10 10 10 17 7 23 0.01 Rain , Thunderstorm
10 80 66 52 40 34 28 51 34 16 30.03 29.89 29.75 10 10 7 16 7 22 0.00  
11 72 60 47 40 30 20 56 35 14 30.12 30.06 29.93 10 10 10 18 10 24 0.00  
12 78 61 44 29 25 15 49 29 9 30.29 30.22 30.11 10 9 4 18 6 24 0.00  
13 86 68 50 32 24 15 35 22 8 30.36 30.26 30.17 10 9 7 15 7 18 0.00  
14 90 72 53 38 27 23 30 21 11 30.19 30.09 29.97 10 9 7 15 7 18 0.00  
15 91 75 58 36 28 21 27 20 12 30.08 30.00 29.91 10 10 10 15 6 21 0.00  
16 86 70 53 40 35 30 54 34 14 30.05 30.00 29.94 10 8 5 20 7 25 0.00  
17 82 66 49 37 32 25 52 33 13 30.14 30.07 30.02 10 7 3 15 4 18 0.00  
18 86 71 55 31 28 23 38 24 10 30.14 30.05 29.99 10 8 5 13 5 16 0.00  
19 84 69 53 35 30 26 35 26 16 30.13 30.06 30.03 10 8 5 12 5 15 0.00  
20 78 67 56 40 31 27 40 29 18 30.16 30.07 30.02 7 5 3 12 5 15 0.00  
21 79 66 53 42 34 30 47 33 19 30.10 30.02 29.96 5 4 3 14 5 17 0.00  
22 79 65 51 45 37 29 48 35 21 30.01 29.96 29.90 4 3 2 17 5 24 0.00  
23 67 60 52 52 44 37 89 63 37 30.08 30.00 29.88 9 5 2 18 5 24 0.04 Rain
24 76 62 47 52 46 40 93 61 29 30.09 30.02 29.94 10 8 3 14 4 17 0.00  
25 79 68 56 47 45 42 61 46 30 30.00 29.92 29.88 10 9 7 9 3 - 0.00  
26 82 70 57 48 45 38 67 45 23 30.06 29.97 29.91 10 9 7 13 6 15 0.00  
27 85 69 53 46 38 35 54 37 20 30.07 29.99 29.93 10 10 8 10 5 13 0.00  
28 82 69 56 46 37 33 55 38 20 30.00 29.94 29.89 10 10 6 20 6 26 0.00  
29 84 70 55 43 38 33 51 34 17 30.09 30.03 29.95 10 10 7 12 4 15 0.00  
30 82 68 54 44 35 28 43 29 15 30.23 30.15 30.07 10 9 6 17 7 20 0.00