Weather History for San Francisco, CA

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Month of April, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 80 °F 64 °F 55 °F
Mean Temperature 68 °F 57 °F 50 °F
Min Temperature 59 °F 50 °F 41 °F
Degree Days  
Heating Degree Days (base 65) 15 8 0 239
Cooling Degree Days (base 65) 3 0 0 5
Growing Degree Days (base 50) 18 7 0 203
Dew Point  
Dew Point 58 °F 45 °F 31 °F
Precipitation  
Precipitation 1.12 in 0.09 in 0.00 in 2.79 in
Snowdepth - - - -
Wind  
Wind 37 mph 12 mph 0 mph
Gust Wind 43 mph 27 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.30 in 30.05 in 29.73 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Apr. 05, 2012 Rise Set
Actual Time 6:48 AM PDT 7:36 PM PDT
Civil Twilight 6:21 AM PDT 8:03 PM PDT
Nautical Twilight 5:50 AM PDT 8:34 PM PDT
Astronomical Twilight 5:17 AM PDT 9:07 PM PDT
Moon 6:48 PM PDT (4/5) 5:46 AM PDT (4/5)
Length of Visible Light 13h 41m
Length of Day
12h 48m
Waxing Gibbous, 98% of the Moon is Illuminated
Apr 5
Waxing Gibbous
Apr 6
Full
Apr 13
Last Quarter
Apr 21
New
Apr 29
First Quarter

Weather History Calendar

Precipitation Actual month total 2.79 Normal Month Total: 1.29
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Rain
Actual:
57 | 48 0.01
Average:
63 | 48 0.06
Partly Cloudy
Actual:
63 | 45 0.00
Average:
63 | 48 0.06
Rain
Actual:
64 | 49 0.03
Average:
63 | 48 0.06
Partly Cloudy
Actual:
57 | 46 0.00
Average:
64 | 48 0.06
Scattered Clouds
Actual:
55 | 44 0.00
Average:
64 | 48 0.06
Scattered Clouds
Actual:
57 | 43 0.00
Average:
64 | 48 0.06
Partly Cloudy
Actual:
64 | 41 0.00
Average:
64 | 49 0.05
Partly Cloudy
Actual:
64 | 43 0.00
Average:
64 | 49 0.05
Partly Cloudy
Actual:
65 | 47 0.00
Average:
64 | 49 0.05
Rain
Actual:
57 | 52 0.41
Average:
64 | 49 0.05
Rain
Actual:
59 | 49 0.03
Average:
64 | 49 0.04
Thunderstorm
Actual:
61 | 47 1.12
Average:
64 | 49 0.05
Rain
Actual:
55 | 47 0.76
Average:
64 | 49 0.04
Scattered Clouds
Actual:
60 | 48 0.00
Average:
65 | 49 0.05
Partly Cloudy
Actual:
64 | 51 0.00
Average:
65 | 49 0.04
Partly Cloudy
Actual:
62 | 50 0.00
Average:
65 | 49 0.04
Mostly Cloudy
Actual:
61 | 52 0.00
Average:
65 | 49 0.04
Partly Cloudy
Actual:
65 | 51 0.00
Average:
65 | 49 0.04
Partly Cloudy
Actual:
68 | 55 0.00
Average:
65 | 49 0.04
Clear
Actual:
78 | 55 0.00
Average:
65 | 49 0.03
Clear
Actual:
80 | 56 0.00
Average:
65 | 50 0.04
Scattered Clouds
Actual:
69 | 52 0.00
Average:
65 | 50 0.04
Partly Cloudy
Actual:
67 | 54 0.00
Average:
66 | 50 0.03
Partly Cloudy
Actual:
69 | 59 0.00
Average:
66 | 50 0.04
Rain
Actual:
70 | 58 0.40
Average:
66 | 50 0.03
Rain
Actual:
61 | 52 0.03
Average:
66 | 50 0.03
Partly Cloudy
Actual:
64 | 49 0.00
Average:
66 | 50 0.03
Scattered Clouds
Actual:
64 | 51 0.00
Average:
66 | 50 0.03
Scattered Clouds
Actual:
71 | 50 0.00
Average:
66 | 50 0.02
Partly Cloudy
Actual:
70 | 50 0.00
Average:
66 | 50 0.03
 

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 57 53 48 46 39 35 77 64 50 30.30 30.24 30.08 10 10 10 29 18 36 0.01 Rain
2 63 54 45 45 42 40 82 64 46 30.27 30.17 30.09 10 10 10 28 10 31 0.00  
3 64 57 49 50 45 42 89 69 48 30.14 30.08 30.03 10 10 3 29 11 35 0.03 Rain
4 57 52 46 42 38 32 77 58 39 30.23 30.18 30.15 10 10 10 37 17 43 0.00  
5 55 50 44 37 34 31 71 59 46 30.21 30.16 30.13 10 10 10 36 19 41 0.00  
6 57 50 43 38 36 33 71 59 47 30.30 30.24 30.18 10 10 10 21 11 20 0.00  
7 64 53 41 42 38 33 76 54 31 30.19 30.11 30.04 10 10 10 16 8 20 0.00  
8 64 54 43 44 39 33 83 61 39 30.09 30.06 30.02 10 10 10 25 8 29 0.00  
9 65 56 47 45 42 37 82 61 39 30.03 29.94 29.84 10 10 10 26 8 37 0.00  
10 57 55 52 50 48 41 89 76 62 29.90 29.87 29.83 10 8 2 15 7 21 0.41 Rain
11 59 54 49 48 45 41 89 72 55 29.99 29.91 29.82 10 10 6 28 13 35 0.03 Rain
12 61 54 47 50 44 37 93 68 42 30.05 29.95 29.81 10 8 2 28 14 36 1.12 Rain , Thunderstorm
13 55 51 47 47 42 39 93 76 59 29.90 29.80 29.73 10 9 3 35 18 41 0.76 Rain
14 60 54 48 46 41 36 77 65 53 30.17 30.02 29.90 10 10 10 29 16 38 0.00  
15 64 58 51 49 46 42 83 72 60 30.24 30.21 30.17 10 10 10 25 9 30 0.00  
16 62 56 50 48 45 43 83 67 51 30.25 30.23 30.20 10 10 10 25 11 30 0.00  
17 61 57 52 52 48 45 89 81 72 30.21 30.16 30.12 10 10 10 26 11 30 0.00  
18 65 58 51 52 47 45 86 71 56 30.19 30.15 30.12 10 10 9 29 16 36 0.00  
19 68 62 55 54 52 51 86 75 63 30.19 30.14 30.08 10 10 10 26 14 32 0.00  
20 78 67 55 58 51 45 86 68 49 30.09 30.03 29.96 10 10 10 26 9 30 0.00  
21 80 68 56 57 50 47 77 60 42 29.99 29.92 29.85 10 10 10 20 8 23 0.00  
22 69 61 52 54 51 49 86 73 59 29.93 29.90 29.87 10 10 10 17 9 21 0.00  
23 67 61 54 52 49 48 83 68 52 30.02 29.95 29.91 10 10 10 25 15 31 0.00  
24 69 64 59 54 51 48 78 68 58 30.06 30.01 29.97 10 10 10 15 7 18 0.00  
25 70 64 58 56 53 50 93 74 55 30.01 29.88 29.79 10 9 2 20 7 24 0.40 Rain
26 61 57 52 55 47 40 87 69 51 30.22 30.01 29.80 10 9 3 28 17 32 0.03 Rain
27 64 57 49 46 43 41 77 62 46 30.25 30.21 30.16 10 10 10 26 14 31 0.00  
28 64 58 51 49 47 45 83 70 56 30.15 30.03 29.92 10 10 9 30 17 35 0.00  
29 71 61 50 51 48 46 89 70 51 29.94 29.91 29.88 10 10 9 28 13 31 0.00  
30 70 60 50 52 48 46 86 69 52 29.98 29.96 29.93 10 10 10 36 16 41 0.00