Weather History for Livermore, CA

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Month of April, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 70 °F 57 °F
Mean Temperature 73 °F 59 °F 48 °F
Min Temperature 57 °F 46 °F 35 °F
Degree Days  
Heating Degree Days (base 65) 17 7 0 218
Cooling Degree Days (base 65) 8 1 0 27
Growing Degree Days (base 50) 22 8 0 246
Dew Point  
Dew Point 60 °F 45 °F 19 °F
Precipitation  
Precipitation 0.85 in 0.07 in 0.00 in 1.84 in
Snowdepth - - - -
Wind  
Wind 25 mph 6 mph 0 mph
Gust Wind 30 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.28 in 30.03 in 29.72 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Apr. 04, 2012 Rise Set
Actual Time 6:47 AM PDT 7:33 PM PDT
Civil Twilight 6:20 AM PDT 7:59 PM PDT
Nautical Twilight 5:49 AM PDT 8:31 PM PDT
Astronomical Twilight 5:17 AM PDT 9:03 PM PDT
Moon 5:34 PM PDT (4/4) 5:10 AM PDT (4/4)
Length of Visible Light 13h 39m
Length of Day
12h 46m
Waxing Gibbous, 94% of the Moon is Illuminated
Apr 4
Waxing Gibbous
Apr 6
Full
Apr 13
Last Quarter
Apr 21
New
Apr 29
First Quarter

Weather History Calendar

Precipitation Actual month total 1.84 Normal Month Total: 1.00
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Rain
Actual:
61 | 43 T
Average:
66 | 43 0.04
Clear
Actual:
67 | 38 0.00
Average:
66 | 43 0.05
Rain
Actual:
66 | 46 0.02
Average:
66 | 43 0.04
Scattered Clouds
Actual:
60 | 41 0.00
Average:
66 | 43 0.04
Scattered Clouds
Actual:
58 | 37 0.00
Average:
66 | 43 0.05
Clear
Actual:
63 | 35 0.00
Average:
66 | 43 0.04
Clear
Actual:
69 | 35 0.00
Average:
66 | 44 0.04
Clear
Actual:
74 | 38 0.00
Average:
67 | 44 0.04
Clear
Actual:
71 | 39 0.00
Average:
67 | 44 0.03
Rain
Actual:
57 | 52 0.22
Average:
67 | 44 0.04
Rain
Actual:
60 | 48 0.13
Average:
67 | 44 0.04
Thunderstorm
Actual:
63 | 46 0.85
Average:
68 | 44 0.03
Rain
Actual:
57 | 44 0.41
Average:
68 | 44 0.04
Scattered Clouds
Actual:
65 | 43 0.00
Average:
68 | 44 0.03
Scattered Clouds
Actual:
71 | 43 0.00
Average:
68 | 45 0.04
Clear
Actual:
70 | 45 0.00
Average:
69 | 45 0.03
Scattered Clouds
Actual:
71 | 48 0.00
Average:
69 | 45 0.04
Scattered Clouds
Actual:
71 | 48 0.00
Average:
69 | 45 0.03
Partly Cloudy
Actual:
77 | 54 0.00
Average:
69 | 45 0.03
Clear
Actual:
88 | 55 0.00
Average:
70 | 45 0.03
Clear
Actual:
91 | 54 T
Average:
70 | 45 0.03
Clear
Actual:
87 | 55 0.00
Average:
70 | 46 0.03
Partly Cloudy
Actual:
72 | 56 0.00
Average:
71 | 46 0.03
Partly Cloudy
Actual:
73 | 54 0.00
Average:
71 | 46 0.03
Rain
Actual:
74 | 57 0.16
Average:
71 | 46 0.02
Rain
Actual:
63 | 47 0.05
Average:
71 | 46 0.03
Clear
Actual:
70 | 41 0.00
Average:
72 | 46 0.02
Clear
Actual:
77 | 46 0.00
Average:
72 | 47 0.02
Clear
Actual:
84 | 48 0.00
Average:
72 | 47 0.02
Clear
Actual:
83 | 52 0.00
Average:
73 | 47 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
Apr high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 61 52 43 43 39 34 83 60 36 30.27 30.20 30.05 10 10 10 17 8 21 T Rain
2 67 53 38 43 40 36 89 62 34 30.25 30.15 30.06 10 10 10 16 4 20 0.00  
3 66 56 46 50 46 42 86 64 42 30.10 30.06 29.99 10 9 4 21 8 26 0.02 Rain
4 60 51 41 41 37 28 89 61 33 30.20 30.15 30.12 10 10 10 18 8 28 0.00  
5 58 48 37 37 33 29 76 55 33 30.19 30.12 30.08 10 10 10 20 7 26 0.00  
6 63 49 35 39 34 30 89 60 30 30.28 30.21 30.16 10 10 10 10 1 16 0.00  
7 69 52 35 40 35 31 82 56 29 30.17 30.09 30.02 10 10 10 15 3 21 0.00  
8 74 56 38 43 37 32 85 54 22 30.07 30.03 29.98 10 10 10 20 4 24 0.00  
9 71 55 39 43 37 19 83 51 18 30.01 29.92 29.81 10 10 10 18 5 24 0.00  
10 57 55 52 52 47 34 93 70 46 29.90 29.86 29.81 10 10 7 10 3 14 0.22 Rain
11 60 54 48 49 46 42 93 75 57 30.00 29.90 29.80 10 10 4 21 9 26 0.13 Rain
12 63 55 46 46 43 36 93 66 39 30.04 29.96 29.85 10 8 2 22 10 28 0.85 Rain , Thunderstorm
13 57 51 44 45 42 39 93 76 59 29.87 29.78 29.72 10 9 3 25 11 30 0.41 Rain
14 65 54 43 45 41 37 93 69 44 30.14 30.00 29.88 10 10 10 15 7 18 0.00  
15 71 57 43 50 46 41 96 69 42 30.23 30.19 30.15 10 10 10 16 4 20 0.00  
16 70 58 45 47 42 27 86 53 20 30.25 30.20 30.17 10 10 10 16 5 20 0.00  
17 71 60 48 54 48 41 89 66 42 30.19 30.14 30.07 10 10 10 18 7 23 0.00  
18 71 60 48 51 48 44 93 69 45 30.17 30.13 30.09 10 10 10 20 6 23 0.00  
19 77 66 54 58 55 52 93 74 54 30.16 30.12 30.04 10 10 9 12 5 15 0.00  
20 88 72 55 60 55 49 93 60 26 30.07 30.01 29.94 10 10 10 12 3 21 0.00  
21 91 73 54 60 56 51 80 54 27 29.97 29.91 29.82 10 10 10 12 3 15 T  
22 87 71 55 60 56 52 87 64 40 29.89 29.86 29.81 10 10 10 17 5 22 0.00  
23 72 64 56 54 52 50 93 71 49 29.99 29.92 29.88 10 10 10 22 11 26 0.00  
24 73 64 54 53 51 50 83 66 49 30.04 30.00 29.93 10 10 8 18 6 21 0.00  
25 74 66 57 56 53 51 93 70 46 30.01 29.86 29.76 10 9 4 20 4 24 0.16 Rain
26 63 55 47 55 47 40 86 65 43 30.20 29.98 29.77 10 9 3 24 12 29 0.05 Rain
27 70 56 41 47 41 36 89 59 28 30.24 30.19 30.14 10 10 10 15 4 20 0.00  
28 77 62 46 51 48 44 93 66 38 30.14 30.01 29.89 10 10 10 16 5 18 0.00  
29 84 66 48 52 49 46 89 58 27 29.92 29.89 29.83 10 10 10 13 3 16 0.00  
30 83 68 52 54 50 47 83 56 28 29.96 29.92 29.90 10 10 10 18 7 22 0.00