Weather History for Boise, ID

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Month of May, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 88 °F 72 °F 55 °F
Mean Temperature 75 °F 59 °F 46 °F
Min Temperature 63 °F 46 °F 33 °F
Degree Days  
Heating Degree Days (base 65) 19 7 0 217
Cooling Degree Days (base 65) 10 1 0 33
Growing Degree Days (base 50) 26 9 0 279
Dew Point  
Dew Point 52 °F 35 °F 15 °F
Precipitation  
Precipitation 0.33 in 0.03 in 0.00 in 0.86 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 31 mph 8 mph 0 mph
Gust Wind 37 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.40 in 29.95 in 29.54 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 12, 2012 Rise Set
Actual Time 6:22 AM MDT 9:00 PM MDT
Civil Twilight 5:50 AM MDT 9:33 PM MDT
Nautical Twilight 5:08 AM MDT 10:14 PM MDT
Astronomical Twilight 4:22 AM MDT 11:01 PM MDT
Moon 2:13 AM MDT (5/12) 1:10 PM MDT (5/12)
Length of Visible Light 15h 43m
Length of Day
14h 37m
Waning Gibbous, 52% of the Moon is Illuminated
May 12
Waning Gibbous
May 12
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full

Weather History Calendar

Precipitation Actual month total 0.86 Normal Month Total: 1.39
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
60 | 42 0.00
Average:
67 | 42 0.05
Scattered Clouds
Actual:
60 | 38 0.00
Average:
67 | 43 0.04
Thunderstorm
Actual:
62 | 50 0.08
Average:
68 | 43 0.05
Thunderstorm
Actual:
61 | 41 0.26
Average:
68 | 43 0.05
Rain
Actual:
55 | 36 0.00
Average:
68 | 44 0.04
Clear
Actual:
62 | 33 0.00
Average:
69 | 44 0.05
Clear
Actual:
70 | 38 0.00
Average:
69 | 44 0.04
Clear
Actual:
80 | 46 0.00
Average:
69 | 44 0.05
Clear
Actual:
82 | 49 0.00
Average:
70 | 45 0.04
Scattered Clouds
Actual:
62 | 43 0.00
Average:
70 | 45 0.05
Clear
Actual:
66 | 35 0.00
Average:
70 | 45 0.04
Clear
Actual:
75 | 41 0.00
Average:
70 | 46 0.05
Clear
Actual:
83 | 47 0.00
Average:
71 | 46 0.04
Clear
Actual:
88 | 50 0.00
Average:
71 | 46 0.05
Clear
Actual:
81 | 56 0.00
Average:
71 | 46 0.05
Clear
Actual:
87 | 55 0.00
Average:
72 | 47 0.04
Scattered Clouds
Actual:
71 | 51 0.00
Average:
72 | 47 0.05
Clear
Actual:
69 | 45 0.00
Average:
72 | 47 0.05
Clear
Actual:
75 | 43 0.00
Average:
73 | 47 0.04
Clear
Actual:
84 | 56 0.00
Average:
73 | 48 0.05
Clear
Actual:
87 | 63 T
Average:
73 | 48 0.04
Rain
Actual:
72 | 54 0.04
Average:
74 | 48 0.04
Rain
Actual:
63 | 47 T
Average:
74 | 48 0.05
Scattered Clouds
Actual:
62 | 39 0.00
Average:
74 | 49 0.04
Rain
Actual:
62 | 45 0.15
Average:
74 | 49 0.05
Rain
Actual:
57 | 43 0.33
Average:
75 | 49 0.04
Partly Cloudy
Actual:
65 | 49 T
Average:
75 | 49 0.04
Scattered Clouds
Actual:
76 | 47 0.00
Average:
75 | 50 0.04
Clear
Actual:
79 | 51 0.00
Average:
76 | 50 0.05
Clear
Actual:
79 | 48 0.00
Average:
76 | 50 0.04
Clear
Actual:
84 | 52 0.00
Average:
76 | 50 0.04
 

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
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 60 51 42 39 31 25 82 54 25 29.92 29.82 29.70 10 10 10 24 7 30 0.00  
2 60 49 38 36 29 24 79 53 26 29.98 29.88 29.75 10 10 10 24 6 30 0.00  
3 62 56 50 46 40 28 77 58 38 29.86 29.78 29.70 10 10 8 16 8 22 0.08 Rain , Thunderstorm
4 61 51 41 45 42 37 100 76 51 30.20 30.03 29.89 10 8 2 28 8 35 0.26 Rain , Thunderstorm
5 55 46 36 37 31 25 92 62 32 30.37 30.32 30.20 10 10 10 18 9 25 0.00 Rain
6 62 48 33 35 30 27 82 54 25 30.40 30.34 30.28 10 10 10 20 7 31 0.00  
7 70 54 38 35 32 26 70 46 21 30.34 30.24 30.14 10 10 10 13 5 17 0.00  
8 80 63 46 39 34 27 71 43 15 30.15 30.06 29.92 10 10 10 12 5 15 0.00  
9 82 66 49 44 35 25 61 41 20 29.94 29.85 29.73 10 10 8 25 11 31 0.00  
10 62 53 43 26 22 15 49 33 17 30.17 30.08 29.87 10 10 10 24 17 32 0.00  
11 66 51 35 28 25 21 64 41 18 30.21 30.15 30.10 10 10 10 15 6 24 0.00  
12 75 58 41 32 28 22 60 37 14 30.25 30.19 30.14 10 10 10 14 6 20 0.00  
13 83 65 47 39 30 18 56 33 9 30.24 30.15 30.04 10 10 10 12 5 17 0.00  
14 88 69 50 48 39 35 54 35 16 30.08 29.98 29.84 10 10 9 14 4 18 0.00  
15 81 69 56 51 43 36 63 42 21 29.90 29.85 29.79 10 10 8 9 3 13 0.00  
16 87 71 55 50 42 34 72 44 16 29.86 29.80 29.71 10 10 9 17 8 22 0.00  
17 71 61 51 41 35 29 64 43 22 29.80 29.78 29.75 10 10 10 31 10 37 0.00  
18 69 57 45 41 29 21 71 44 17 29.96 29.89 29.78 10 10 10 24 12 35 0.00  
19 75 59 43 32 27 18 58 36 13 30.04 29.99 29.95 10 10 10 13 5 16 0.00  
20 84 70 56 42 34 28 47 31 15 30.01 29.97 29.91 10 10 10 14 6 18 0.00  
21 87 75 63 47 42 38 48 34 19 29.91 29.80 29.68 10 10 9 30 12 36 T  
22 72 63 54 52 40 30 77 50 22 29.90 29.83 29.76 10 10 10 24 11 30 0.04 Rain
23 63 55 47 44 34 28 71 49 27 29.93 29.88 29.83 10 10 10 21 12 33 T Rain
24 62 51 39 36 33 27 79 53 27 29.86 29.74 29.57 10 10 10 18 6 24 0.00  
25 62 54 45 45 41 35 86 65 43 29.64 29.59 29.54 10 10 2 20 7 24 0.15 Rain
26 57 50 43 47 43 37 96 75 54 29.76 29.66 29.62 10 9 2 16 7 20 0.33 Rain
27 65 57 49 42 39 35 77 56 34 29.99 29.91 29.78 10 10 10 22 7 28 T  
28 76 62 47 41 37 32 71 46 21 30.01 29.95 29.86 10 10 10 13 6 17 0.00  
29 79 65 51 41 38 31 63 41 18 29.96 29.91 29.85 10 10 10 20 7 30 0.00  
30 79 64 48 41 35 24 66 41 15 30.12 30.06 29.96 10 10 10 17 6 26 0.00  
31 84 68 52 45 42 39 66 44 22 30.12 30.04 29.93 10 10 10 16 5 22 0.00