Weather History for San Luis Obispo, CA

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Month of May, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 86 °F 71 °F 59 °F
Mean Temperature 67 °F 59 °F 52 °F
Min Temperature 53 °F 48 °F 44 °F
Degree Days  
Heating Degree Days (base 65) 12 6 0 187
Cooling Degree Days (base 65) 2 0 0 4
Growing Degree Days (base 50) 17 9 2 283
Dew Point  
Dew Point 55 °F 47 °F 36 °F
Precipitation  
Precipitation 0.01 in 0.00 in 0.00 in 0.01 in
Snowdepth - - - -
Wind  
Wind 30 mph 7 mph 0 mph
Gust Wind 99 mph 27 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.14 in 29.98 in 29.70 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 10, 2012 Rise Set
Actual Time 6:02 AM PDT 7:56 PM PDT
Civil Twilight 5:34 AM PDT 8:24 PM PDT
Nautical Twilight 5:00 AM PDT 8:58 PM PDT
Astronomical Twilight 4:24 AM PDT 9:34 PM PDT
Moon No Moon Rise 10:32 AM PDT (5/10)
Length of Visible Light 14h 49m
Length of Day
13h 54m
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 0.01 Average Month Total: 0.29
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Mostly Cloudy
Actual:
64 | 51 0.00
Average:
70 | 45 0.03
Partly Cloudy
Actual:
66 | 48 0.00
Average:
70 | 45 0.02
Partly Cloudy
Actual:
64 | 50 0.00
Average:
71 | 46 0.01
Scattered Clouds
Actual:
66 | 50 0.00
Average:
71 | 47 0.00
Clear
Actual:
77 | 48 0.00
Average:
69 | 46 0.03
Clear
Actual:
82 | 53 0.00
Average:
68 | 45 0.00
Scattered Clouds
Actual:
86 | 50 0.00
Average:
68 | 46 0.00
Fog
Actual:
78 | 48 0.00
Average:
70 | 47 0.02
Fog
Actual:
73 | 46 0.00
Average:
70 | 47 0.04
Fog
Actual:
72 | 46 0.01
Average:
70 | 46 0.03
Partly Cloudy
Actual:
70 | 48 0.00
Average:
68 | 45 0.00
Partly Cloudy
Actual:
68 | 51 0.00
Average:
70 | 46 0.00
Partly Cloudy
Actual:
68 | 50 0.00
Average:
71 | 47 0.02
Clear
Actual:
71 | 44 0.00
Average:
72 | 46 0.01
Scattered Clouds
Actual:
75 | 48 0.00
Average:
71 | 47 0.00
Partly Cloudy
Actual:
72 | 51 0.00
Average:
72 | 47 0.00
Partly Cloudy
Actual:
69 | 50 0.00
Average:
73 | 48 0.00
Scattered Clouds
Actual:
70 | 46 0.00
Average:
73 | 47 0.00
Fog
Actual:
73 | 44 0.00
Average:
72 | 47 0.00
Clear
Actual:
84 | 46 0.00
Average:
72 | 47 0.00
Partly Cloudy
Actual:
69 | 50 0.00
Average:
71 | 47 0.00
Clear
Actual:
82 | 48 0.00
Average:
71 | 47 0.00
Clear
Actual:
71 | 51 0.00
Average:
73 | 47 0.00
Clear
Actual:
68 | 48 0.00
Average:
70 | 47 0.00
Partly Cloudy
Actual:
61 | 44 0.00
Average:
71 | 48 0.00
Mostly Cloudy
Actual:
59 | 48 0.00
Average:
72 | 49 0.00
Scattered Clouds
Actual:
71 | 46 0.00
Average:
72 | 49 0.00
Clear
Actual:
75 | 46 0.00
Average:
73 | 50 0.06
Scattered Clouds
Actual:
68 | 46 0.00
Average:
73 | 49 0.02
Partly Cloudy
Actual:
66 | 50 0.00
Average:
72 | 48 0.00
Clear
Actual:
73 | 48 0.00
Average:
74 | 49 0.00
 

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 64 56 51 51 49 46 93 80 62 29.97 29.94 29.92 10 10 8 9 4 - 0.00  
2 66 57 48 48 46 44 87 75 50 30.02 29.97 29.92 10 10 7 17 3 22 0.00  
3 64 57 50 51 47 44 90 75 50 30.12 30.07 30.01 10 10 10 16 5 22 0.00  
4 66 58 50 52 49 45 94 77 56 30.14 30.11 30.09 10 10 9 24 12 31 0.00  
5 77 62 48 46 42 38 83 53 25 30.10 30.06 30.01 10 10 9 22 16 32 0.00  
6 82 66 53 48 41 36 77 45 20 30.01 29.97 29.93 10 10 9 24 8 31 0.00  
7 86 67 50 50 45 38 92 60 19 29.99 29.96 29.92 10 9 5 17 5 - 0.00  
8 78 62 48 55 49 46 100 85 48 29.99 29.95 29.89 10 4 0 18 2 - 0.00 Fog
9 73 59 46 54 49 45 100 85 51 29.94 29.92 29.88 10 4 0 17 3 23 0.00 Fog
10 72 58 46 52 48 44 100 83 54 29.94 29.90 29.87 10 5 0 10 2 - 0.01 Fog
11 70 57 48 51 49 46 94 81 54 30.03 29.97 29.92 10 8 2 9 3 - 0.00  
12 68 58 51 52 50 49 96 82 59 30.10 30.06 30.02 10 7 2 9 3 - 0.00  
13 68 58 50 50 49 46 89 77 52 30.13 30.10 30.06 10 9 6 18 5 - 0.00  
14 71 57 44 50 47 41 93 71 44 30.13 30.08 30.04 10 10 10 20 6 25 0.00  
15 75 62 48 52 49 45 90 73 38 30.05 30.00 29.95 10 10 9 25 9 31 0.00  
16 72 62 51 53 50 49 96 80 51 30.00 29.94 29.89 10 8 4 23 10 99 0.00  
17 69 58 50 50 48 46 96 79 54 29.95 29.92 29.89 10 8 2 21 8 28 0.00  
18 70 58 46 50 47 43 93 74 50 29.97 29.93 29.90 10 8 5 20 8 18 0.00  
19 73 57 44 50 46 43 100 81 47 29.97 29.94 29.90 10 6 0 20 3 - 0.00 Fog
20 84 64 46 51 47 43 86 65 28 29.99 29.93 29.90 10 10 6 18 5 16 0.00  
21 69 59 50 51 49 47 96 83 55 30.03 29.99 29.96 10 7 1 24 7 30 0.00  
22 82 65 48 52 48 43 93 60 29 30.02 29.98 29.93 10 10 10 23 10 47 0.00  
23 71 60 51 47 45 42 86 64 40 29.96 29.90 29.82 10 9 8 26 11 58 0.00  
24 68 57 48 48 46 44 90 72 51 29.84 29.77 29.70 10 9 6 29 12 79 0.00  
25 61 52 44 47 43 39 90 73 50 29.90 29.83 29.76 10 10 9 30 10 54 0.00  
26 59 54 48 47 46 44 93 77 62 30.12 30.00 29.90 10 10 9 16 7 24 0.00  
27 71 58 46 47 46 43 100 76 44 30.12 30.08 30.02 10 8 1 25 5 33 0.00  
28 75 60 46 49 46 43 90 64 37 30.01 29.99 29.96 10 10 10 29 9 34 0.00  
29 68 57 46 48 46 42 89 73 49 30.08 30.03 29.99 10 10 10 20 6 26 0.00  
30 66 58 50 50 48 46 89 77 54 30.08 30.05 30.00 10 9 7 18 9 23 0.00  
31 73 60 48 51 48 44 90 72 46 30.02 29.93 29.86 10 10 8 24 6 30 0.00