Weather History for Livermore, CA

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Month of May, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 96 °F 78 °F 65 °F
Mean Temperature 74 °F 64 °F 56 °F
Min Temperature 54 °F 49 °F 42 °F
Degree Days  
Heating Degree Days (base 65) 9 3 0 79
Cooling Degree Days (base 65) 9 2 0 47
Growing Degree Days (base 50) 24 13 6 412
Dew Point  
Dew Point 55 °F 44 °F 26 °F
Precipitation  
Precipitation 0.03 in 0.00 in 0.00 in 0.04 in
Snowdepth - - - -
Wind  
Wind 25 mph 7 mph 0 mph
Gust Wind 31 mph 20 mph 14 mph
Sea Level Pressure  
Sea Level Pressure 30.21 in 29.98 in 29.72 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 10, 2012 Rise Set
Actual Time 6:01 AM PDT 8:06 PM PDT
Civil Twilight 5:32 AM PDT 8:35 PM PDT
Nautical Twilight 4:57 AM PDT 9:10 PM PDT
Astronomical Twilight 4:19 AM PDT 9:49 PM PDT
Moon 12:08 AM PDT (5/10) 10:32 AM PDT (5/10)
Length of Visible Light 15h 02m
Length of Day
14h 04m
Waning Gibbous, 72% of the Moon is Illuminated
May 10
Waning Gibbous
May 12
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full

Weather History Calendar

Precipitation Actual month total 0.04 Normal Month Total: 0.62
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
68 | 48 0.00
Average:
73 | 47 0.03
Clear
Actual:
67 | 44 0.00
Average:
73 | 47 0.03
Rain
Actual:
65 | 50 0.03
Average:
73 | 48 0.03
Rain
Actual:
65 | 48 0.01
Average:
73 | 48 0.03
Clear
Actual:
79 | 42 0.00
Average:
74 | 48 0.03
Clear
Actual:
84 | 46 0.00
Average:
74 | 48 0.03
Clear
Actual:
90 | 47 0.00
Average:
74 | 48 0.03
Clear
Actual:
93 | 49 0.00
Average:
74 | 48 0.02
Clear
Actual:
86 | 51 0.00
Average:
74 | 48 0.03
Clear
Actual:
85 | 46 0.00
Average:
75 | 49 0.03
Clear
Actual:
90 | 48 0.00
Average:
75 | 49 0.03
Clear
Actual:
90 | 51 0.00
Average:
75 | 49 0.03
Scattered Clouds
Actual:
75 | 51 0.00
Average:
75 | 49 0.02
Partly Cloudy
Actual:
72 | 52 0.00
Average:
75 | 49 0.02
Scattered Clouds
Actual:
76 | 51 0.00
Average:
75 | 49 0.03
Partly Cloudy
Actual:
79 | 51 0.00
Average:
76 | 49 0.02
Scattered Clouds
Actual:
70 | 51 0.00
Average:
76 | 50 0.02
Scattered Clouds
Actual:
81 | 48 0.00
Average:
76 | 50 0.02
Clear
Actual:
85 | 48 0.00
Average:
76 | 50 0.01
Clear
Actual:
91 | 52 0.00
Average:
76 | 50 0.01
Scattered Clouds
Actual:
73 | 53 0.00
Average:
76 | 50 0.02
Scattered Clouds
Actual:
77 | 54 0.00
Average:
76 | 50 0.01
Scattered Clouds
Actual:
75 | 52 0.00
Average:
76 | 50 0.01
Clear
Actual:
73 | 49 0.00
Average:
76 | 51 0.01
Rain
Actual:
65 | 49 T
Average:
77 | 51 0.01
Rain
Actual:
66 | 49 T
Average:
77 | 51 0.01
Partly Cloudy
Actual:
70 | 50 0.00
Average:
77 | 51 0.01
Partly Cloudy
Actual:
68 | 51 0.00
Average:
77 | 51 0.01
Partly Cloudy
Actual:
77 | 48 0.00
Average:
77 | 51 0.01
Clear
Actual:
87 | 49 0.00
Average:
77 | 51 0.01
Clear
Actual:
96 | 52 0.00
Average:
77 | 52 0.01
 

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 68 58 48 49 44 37 89 62 34 29.94 29.92 29.90 10 10 7 18 8 26 0.00  
2 67 56 44 43 41 40 83 60 37 29.99 29.95 29.91 10 10 10 25 9 31 0.00  
3 65 58 50 55 49 43 93 75 57 30.09 30.04 29.96 10 10 8 15 9 20 0.03 Rain
4 65 57 48 54 47 42 93 69 44 30.21 30.14 30.08 10 10 5 16 8 21 0.01 Rain
5 79 61 42 44 38 26 89 52 15 30.21 30.14 30.05 10 10 10 16 5 23 0.00  
6 84 65 46 42 35 27 80 47 13 30.07 30.03 29.98 10 10 10 15 4 22 0.00  
7 90 69 47 42 38 29 68 41 13 30.03 29.98 29.92 10 10 10 18 4 21 0.00  
8 93 71 49 44 40 31 63 38 13 29.97 29.92 29.87 10 10 10 15 4 18 0.00  
9 86 69 51 51 46 40 72 51 29 29.94 29.90 29.86 10 10 9 20 6 22 0.00  
10 85 66 46 45 40 32 80 49 18 29.92 29.88 29.82 10 10 8 17 5 20 0.00  
11 90 69 48 44 37 30 68 41 14 29.96 29.90 29.86 10 10 10 17 3 21 0.00  
12 90 71 51 46 39 31 54 36 17 30.03 29.99 29.95 10 10 10 17 6 21 0.00  
13 75 63 51 50 48 43 89 65 41 30.07 30.03 29.98 10 9 5 23 11 28 0.00  
14 72 62 52 47 46 44 77 59 40 30.09 30.05 30.01 10 10 10 18 6 23 0.00  
15 76 64 51 51 48 47 89 64 38 30.05 30.02 29.96 10 10 10 20 9 25 0.00  
16 79 65 51 54 49 46 89 64 39 30.03 29.98 29.91 10 10 7 15 7 18 0.00  
17 70 61 51 50 47 45 89 67 45 29.94 29.90 29.87 10 10 9 22 10 25 0.00  
18 81 65 48 45 43 37 86 55 23 29.96 29.93 29.89 10 10 8 18 6 22 0.00  
19 85 67 48 46 42 33 80 49 17 29.98 29.94 29.91 10 10 9 17 5 21 0.00  
20 91 72 52 51 46 42 86 54 21 30.00 29.95 29.90 10 10 10 18 6 23 0.00  
21 73 63 53 55 50 44 84 62 40 30.10 30.05 30.00 10 10 10 20 9 26 0.00  
22 77 66 54 55 51 47 93 65 36 30.11 30.08 30.03 10 10 10 21 9 26 0.00  
23 75 64 52 51 47 43 89 61 33 30.04 29.97 29.91 10 10 10 18 7 23 0.00  
24 73 61 49 47 45 43 86 61 35 29.91 29.81 29.72 10 10 10 22 9 28 0.00  
25 65 57 49 46 41 37 80 60 39 29.83 29.76 29.72 10 10 9 22 10 26 T Rain
26 66 58 49 46 45 43 86 69 52 30.10 29.96 29.83 10 10 10 22 10 26 T Rain
27 70 60 50 48 46 45 83 64 44 30.15 30.11 30.07 10 10 10 17 9 20 0.00  
28 68 60 51 50 46 42 89 67 44 30.08 30.05 30.02 10 10 10 21 11 29 0.00  
29 77 63 48 47 45 43 86 60 33 30.07 30.03 29.99 10 10 10 15 5 18 0.00  
30 87 68 49 50 48 46 89 57 24 30.09 30.04 29.99 10 10 10 17 7 21 0.00  
31 96 74 52 52 48 40 83 52 21 30.02 29.94 29.83 10 10 10 16 4 21 0.00