History for San Francisco, CA

Month of May, 2012 — View Current Conditions
Month of May, 2012
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Daily Weekly Monthly Custom
  Max Avg Min Sum
Temperature
Max Temperature 83 °F 67 °F 58 °F
Mean Temperature 67 °F 59 °F 53 °F
Min Temperature 53 °F 50 °F 47 °F
Degree Days
Heating Degree Days (base 65) 12 6 0 198
Cooling Degree Days (base 65) 2 0 0 2
Growing Degree Days (base 50) 16 8 2 255
Dew Point
Dew Point 56 °F 45 °F 34 °F
Precipitation
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind
Wind 45 mph 14 mph 0 mph
Gust Wind 58 mph 28 mph 17 mph
Sea Level Pressure
Sea Level Pressure 30.22 in 30.01 in 29.76 in
Monthly Graph
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Date:
Astronomy
May. 18, 2013 Rise Set
Actual Time 6:08 AM PDT 8:03 PM PDT
Civil Twilight 5:40 AM PDT 8:32 PM PDT
Nautical Twilight 5:05 AM PDT 9:07 PM PDT
Astronomical Twilight 4:28 AM PDT 9:44 PM PDT
Moon 8:02 PM PDT (5/5) 5:35 AM PDT (5/5)
Length Of Visible Light 14h 52m
Length of Day
13h 54m
Full, 100% of the Moon is Illuminated
May 5
Full
May 5
Full
May 12
Last Quarter
May 20
New
May 28
First Quarter
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Monthly Calendar Overview
Print This Calendar Precipitation: Actual month total 0.00 Normal month total 0.47
« Previous Month « 2011 May 2012 2013 » Next Month »
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
1 Partly Cloudy
Actual: 59 | 49
Precip: 0.00
Average: 66 | 50
Precip: 0.03
2 Partly Cloudy
Actual: 58 | 48
Precip: 0.00
Average: 66 | 50
Precip: 0.02
3 Mostly Cloudy
Actual: 63 | 51
Precip: T
Average: 67 | 51
Precip: 0.02
4 Partly Cloudy
Actual: 61 | 50
Precip: 0.00
Average: 67 | 51
Precip: 0.03
5 Clear
Actual: 69 | 47
Precip: 0.00
Average: 67 | 51
Precip: 0.02
6 Scattered Clouds
Actual: 78 | 49
Precip: 0.00
Average: 67 | 51
Precip: 0.02
7 Clear
Actual: 83 | 51
Precip: 0.00
Average: 67 | 51
Precip: 0.01
8 Scattered Clouds
Actual: 76 | 50
Precip: 0.00
Average: 67 | 51
Precip: 0.02
9 Scattered Clouds
Actual: 64 | 51
Precip: 0.00
Average: 67 | 51
Precip: 0.02
10 Scattered Clouds
Actual: 77 | 49
Precip: 0.00
Average: 67 | 51
Precip: 0.01
11 Scattered Clouds
Actual: 78 | 50
Precip: 0.00
Average: 67 | 51
Precip: 0.02
12 Scattered Clouds
Actual: 67 | 48
Precip: 0.00
Average: 67 | 51
Precip: 0.02
13 Partly Cloudy
Actual: 66 | 50
Precip: 0.00
Average: 67 | 51
Precip: 0.01
14 Partly Cloudy
Actual: 66 | 53
Precip: 0.00
Average: 67 | 52
Precip: 0.02
15 Partly Cloudy
Actual: 61 | 51
Precip: 0.00
Average: 68 | 52
Precip: 0.01
16 Fog
Actual: 59 | 50
Precip: 0.00
Average: 68 | 52
Precip: 0.02
17 Partly Cloudy
Actual: 61 | 50
Precip: 0.00
Average: 68 | 52
Precip: 0.01
18 Scattered Clouds
Actual: 67 | 48
Precip: 0.00
Average: 68 | 52
Precip: 0.02
19 Scattered Clouds
Actual: 68 | 49
Precip: 0.00
Average: 68 | 52
Precip: 0.01
20 Fog
Actual: 72 | 52
Precip: 0.00
Average: 68 | 52
Precip: 0.01
21 Mostly Cloudy
Actual: 65 | 52
Precip: 0.00
Average: 68 | 52
Precip: 0.01
22 Fog
Actual: 64 | 52
Precip: 0.00
Average: 68 | 52
Precip: 0.02
23 Scattered Clouds
Actual: 64 | 52
Precip: 0.00
Average: 68 | 52
Precip: 0.01
24 Scattered Clouds
Actual: 63 | 50
Precip: 0.00
Average: 68 | 52
Precip: 0.01
25 Partly Cloudy
Actual: 62 | 50
Precip: 0.00
Average: 68 | 52
Precip: 0.01
26 Mostly Cloudy
Actual: 60 | 49
Precip: 0.00
Average: 69 | 52
Precip: 0.01
27 Partly Cloudy
Actual: 61 | 52
Precip: 0.00
Average: 69 | 53
Precip: 0.01
28 Partly Cloudy
Actual: 63 | 51
Precip: 0.00
Average: 69 | 53
Precip: 0.01
29 Partly Cloudy
Actual: 65 | 52
Precip: 0.00
Average: 69 | 53
Precip: 0.01
30 Scattered Clouds
Actual: 67 | 50
Precip: 0.00
Average: 69 | 53
Precip: 0.01
31 Scattered Clouds
Actual: 78 | 51
Precip: 0.00
Average: 69 | 53
Precip: 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 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 59 54 49 46 43 40 86 71 55 29.97 29.95 29.92 10 10 10 33 20 40 0.00  
2 58 53 48 42 41 39 77 66 55 30.01 29.98 29.92 10 10 10 28 15 37 0.00  
3 63 57 51 52 48 43 83 74 64 30.11 30.05 29.98 10 10 10 20 9 25 T  
4 61 56 50 52 44 40 89 68 47 30.22 30.17 30.11 10 10 10 33 19 39 0.00  
5 69 58 47 45 42 37 80 57 34 30.22 30.16 30.07 10 10 9 28 12 32 0.00  
6 78 64 49 45 42 37 77 50 23 30.07 30.04 30.01 10 10 9 22 10 25 0.00  
7 83 67 51 54 46 40 77 50 23 30.03 30.00 29.95 10 10 9 25 10 29 0.00  
8 76 63 50 53 47 43 83 57 31 29.98 29.95 29.91 10 10 9 28 12 32 0.00  
9 64 58 51 48 45 43 83 68 53 29.97 29.95 29.92 10 9 7 25 15 31 0.00  
10 77 63 49 48 43 34 80 53 25 29.94 29.90 29.86 10 9 8 25 10 30 0.00  
11 78 64 50 56 47 42 83 58 33 29.99 29.93 29.88 10 10 9 22 9 24 0.00  
12 67 58 48 51 47 45 89 73 56 30.06 30.03 29.99 10 10 9 25 12 31 0.00  
13 66 58 50 50 46 45 83 68 52 30.09 30.07 30.04 10 10 10 21 8 25 0.00  
14 66 60 53 49 47 44 77 63 48 30.10 30.08 30.05 10 10 10 21 10 24 0.00  
15 61 56 51 48 47 46 83 73 62 30.08 30.05 30.02 10 10 10 28 15 32 0.00  
16 59 55 50 49 48 47 89 78 67 30.05 30.02 29.96 10 9 8 25 13 31 0.00 Fog
17 61 56 50 47 45 43 83 69 55 29.97 29.93 29.87 10 9 7 44 20 52 0.00  
18 67 58 48 45 43 41 80 62 44 29.99 29.96 29.93 10 10 9 28 14 33 0.00  
19 68 59 49 48 43 39 74 58 42 30.00 29.98 29.96 10 10 9 24 12 28 0.00  
20 72 62 52 49 46 40 83 62 41 30.04 29.99 29.96 10 10 10 31 16 39 0.00 Fog
21 65 59 52 54 50 48 89 77 65 30.12 30.09 30.03 10 10 5 30 14 33 0.00  
22 64 58 52 54 48 44 93 73 52 30.15 30.11 30.06 10 10 6 43 23 48 0.00 Fog
23 64 58 52 49 45 42 89 69 48 30.06 30.01 29.95 10 10 10 45 24 52 0.00  
24 63 57 50 47 44 42 80 66 51 29.94 29.85 29.77 10 10 9 45 25 58 0.00  
25 62 56 50 45 44 41 77 63 48 29.86 29.80 29.76 10 10 7 33 19 44 0.00  
26 60 55 49 46 45 45 83 70 57 30.12 29.97 29.86 10 9 7 26 15 33 0.00  
27 61 57 52 49 45 44 83 70 57 30.18 30.13 30.10 10 10 9 24 14 29 0.00  
28 63 57 51 49 46 42 89 72 55 30.11 30.08 30.05 10 10 8 24 14 30 0.00  
29 65 59 52 47 46 44 77 65 52 30.09 30.07 30.05 10 10 9 25 13 31 0.00  
30 67 59 50 49 47 46 83 68 52 30.12 30.08 30.04 10 10 10 27 13 35 0.00  
31 78 65 51 51 48 45 80 58 36 30.06 29.96 29.87 10 10 10 28 12 32 0.00  
Comma Delimited File