Weather History for San Francisco, CA

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Month of April, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 83 °F 67 °F 57 °F
Mean Temperature 67 °F 59 °F 52 °F
Min Temperature 54 °F 50 °F 45 °F
Degree Days  
Heating Degree Days (base 65) 13 6 0 192
Cooling Degree Days (base 65) 2 0 0 4
Growing Degree Days (base 50) 18 8 2 255
Dew Point  
Dew Point 56 °F 44 °F 27 °F
Precipitation  
Precipitation 0.31 in 0.02 in 0.00 in 0.47 in
Snowdepth - - - -
Wind  
Wind 47 mph 13 mph 0 mph
Gust Wind 60 mph 28 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.29 in 30.04 in 29.80 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Apr. 07, 2013 Rise Set
Actual Time 6:45 AM PDT 7:38 PM PDT
Civil Twilight 6:18 AM PDT 8:04 PM PDT
Nautical Twilight 5:47 AM PDT 8:36 PM PDT
Astronomical Twilight 5:14 AM PDT 9:09 PM PDT
Moon 5:03 AM PDT (4/7) 5:18 PM PDT (4/7)
Length of Visible Light 13h 45m
Length of Day
12h 52m
Waning Crescent, 7% of the Moon is Illuminated
Apr 7
Waning Crescent
Apr 10
New
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter

Weather History Calendar

Precipitation Actual month total 0.47 Normal Month Total: 1.29
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
65 | 52 0.14
Average:
63 | 48 0.06
Fog
Actual:
60 | 50 0.00
Average:
63 | 48 0.06
Fog
Actual:
68 | 49 0.00
Average:
63 | 48 0.06
Rain
Actual:
64 | 53 0.31
Average:
64 | 48 0.06
Mostly Cloudy
Actual:
64 | 54 T
Average:
64 | 48 0.06
Rain
Actual:
62 | 53 0.01
Average:
64 | 48 0.06
Rain
Actual:
62 | 50 0.01
Average:
64 | 49 0.05
Partly Cloudy
Actual:
63 | 49 0.00
Average:
64 | 49 0.05
Clear
Actual:
68 | 50 0.00
Average:
64 | 49 0.05
Scattered Clouds
Actual:
80 | 51 0.00
Average:
64 | 49 0.05
Partly Cloudy
Actual:
65 | 49 0.00
Average:
64 | 49 0.04
Scattered Clouds
Actual:
63 | 47 0.00
Average:
64 | 49 0.05
Partly Cloudy
Actual:
61 | 48 0.00
Average:
64 | 49 0.04
Scattered Clouds
Actual:
60 | 47 0.00
Average:
65 | 49 0.05
Rain
Actual:
57 | 46 T
Average:
65 | 49 0.04
Scattered Clouds
Actual:
62 | 45 0.00
Average:
65 | 49 0.04
Clear
Actual:
67 | 50 0.00
Average:
65 | 49 0.04
Clear
Actual:
73 | 47 0.00
Average:
65 | 49 0.04
Scattered Clouds
Actual:
72 | 49 0.00
Average:
65 | 49 0.04
Clear
Actual:
73 | 50 0.00
Average:
65 | 49 0.03
Clear
Actual:
78 | 49 0.00
Average:
65 | 50 0.04
Clear
Actual:
83 | 51 0.00
Average:
65 | 50 0.04
Scattered Clouds
Actual:
76 | 49 0.00
Average:
66 | 50 0.03
Scattered Clouds
Actual:
68 | 47 0.00
Average:
66 | 50 0.04
Partly Cloudy
Actual:
65 | 53 0.00
Average:
66 | 50 0.03
Partly Cloudy
Actual:
61 | 52 0.00
Average:
66 | 50 0.03
Fog
Actual:
61 | 49 0.00
Average:
66 | 50 0.03
Scattered Clouds
Actual:
71 | 47 0.00
Average:
66 | 50 0.03
Scattered Clouds
Actual:
80 | 52 0.00
Average:
66 | 50 0.02
Scattered Clouds
Actual:
68 | 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

2013 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 65 59 52 54 50 46 89 73 56 30.17 30.12 30.06 10 9 2 20 7 22 0.14 Rain
2 60 55 50 50 48 46 89 78 67 30.20 30.16 30.11 10 10 8 25 14 30 0.00 Fog
3 68 59 49 51 47 46 93 75 56 30.16 30.09 30.01 10 9 5 24 8 28 0.00 Fog
4 64 59 53 54 51 45 93 82 71 30.14 30.07 30.01 10 9 4 22 10 28 0.31 Rain
5 64 59 54 52 50 47 86 71 56 30.20 30.16 30.13 10 10 9 20 7 24 T  
6 62 58 53 53 50 47 89 78 67 30.21 30.18 30.16 10 9 1 17 8 21 0.01 Fog , Rain
7 62 56 50 52 48 45 89 77 64 30.19 30.08 29.88 10 10 3 38 12 56 0.01 Rain
8 63 56 49 48 39 34 71 55 39 30.04 29.94 29.83 10 10 10 47 24 60 0.00  
9 68 59 50 44 39 31 74 53 31 30.10 30.07 30.04 10 10 10 28 17 32 0.00  
10 80 66 51 52 46 42 89 61 32 30.18 30.11 30.06 10 10 10 39 16 45 0.00  
11 65 57 49 47 44 42 86 65 44 30.10 29.99 29.88 10 10 8 36 20 41 0.00  
12 63 55 47 48 44 42 86 71 55 29.94 29.90 29.87 10 9 7 30 15 35 0.00  
13 61 55 48 45 42 39 74 61 47 29.93 29.90 29.86 10 10 8 44 20 51 0.00  
14 60 54 47 46 39 33 86 62 37 29.96 29.93 29.90 10 10 10 39 20 46 0.00  
15 57 52 46 47 38 34 83 65 47 29.98 29.93 29.89 10 10 9 46 25 55 T Rain
16 62 54 45 41 36 31 71 52 32 30.17 30.09 29.99 10 10 10 29 14 33 0.00  
17 67 59 50 41 35 29 71 49 27 30.29 30.23 30.17 10 10 10 28 18 32 0.00  
18 73 60 47 46 40 31 77 50 23 30.28 30.24 30.21 10 10 10 24 8 28 0.00  
19 72 61 49 52 46 43 80 64 48 30.25 30.18 30.09 10 10 10 28 12 32 0.00  
20 73 62 50 49 45 42 80 59 38 30.12 30.07 30.01 10 10 10 28 14 32 0.00  
21 78 64 49 51 44 40 77 53 28 30.06 30.00 29.94 10 10 10 21 8 24 0.00  
22 83 67 51 54 46 41 77 51 25 29.98 29.92 29.86 10 10 10 22 7 26 0.00  
23 76 63 49 46 42 27 83 50 17 29.95 29.91 29.88 10 10 10 26 10 31 0.00  
24 68 58 47 47 45 43 86 66 45 29.96 29.90 29.86 10 10 9 17 8 23 0.00  
25 65 59 53 47 46 45 77 65 52 30.16 30.06 29.97 10 10 10 23 11 26 0.00  
26 61 57 52 46 45 44 77 66 55 30.25 30.21 30.15 10 10 10 28 11 33 0.00  
27 61 55 49 47 46 44 86 73 60 30.25 30.19 30.10 10 10 9 28 12 32 0.00 Fog
28 71 59 47 51 46 42 86 63 39 30.10 30.00 29.89 10 10 9 23 8 29 0.00  
29 80 66 52 56 48 44 77 56 35 29.91 29.86 29.80 10 10 9 31 14 38 0.00  
30 68 59 50 46 43 27 80 58 35 29.87 29.84 29.81 10 10 7 26 15 31 0.00