Weather History for San Francisco, CA

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Month of January, 2000

  Max Avg Min Sum
Temperature  
Max Temperature 68 °F 57 °F 52 °F
Mean Temperature 57 °F 52 °F 46 °F
Min Temperature 53 °F 48 °F 39 °F
Degree Days  
Heating Degree Days (base 65) 19 13 8 394
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 7 3 0 85
Dew Point  
Dew Point 58 °F 47 °F 29 °F
Precipitation  
Precipitation 1.73 in 0.18 in 0.00 in 5.73 in
Snowdepth - - - -
Wind  
Wind 34 mph 6 mph 0 mph
Gust Wind 45 mph 26 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.51 in 30.18 in 29.82 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 02, 2000 Rise Set
Actual Time 7:24 AM PST 5:02 PM PST
Civil Twilight 6:55 AM PST 5:31 PM PST
Nautical Twilight 6:22 AM PST 6:04 PM PST
Astronomical Twilight 5:50 AM PST 6:36 PM PST
Moon 3:45 AM PST (1/2) 2:29 PM PST (1/2)
Length of Visible Light 10h 36m
Length of Day
9h 37m
Waning Crescent, 13% of the Moon is Illuminated
Jan 2
Waning Crescent
Jan 6
New
Jan 14
First Quarter
Jan 20
Full
Jan 27
Last Quarter

Weather History Calendar

Precipitation Actual month total 5.73 Average Month Total: 4.60
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
53 | 46 0.00
Average:
54 | 40 0.11
Scattered Clouds
Actual:
55 | 41 0.00
Average:
53 | 40 0.14
Scattered Clouds
Actual:
64 | 41 0.00
Average:
54 | 40 0.14
Mostly Cloudy
Actual:
64 | 46 0.01
Average:
53 | 40 0.35
Scattered Clouds
Actual:
68 | 46 0.00
Average:
54 | 41 0.07
Partly Cloudy
Actual:
53 | 39 0.00
Average:
53 | 40 0.11
Partly Cloudy
Actual:
53 | 43 0.00
Average:
53 | 41 0.07
Partly Cloudy
Actual:
55 | 48 0.00
Average:
54 | 42 0.12
Mostly Cloudy
Actual:
55 | 46 0.00
Average:
54 | 42 0.13
Mostly Cloudy
Actual:
57 | 50 0.00
Average:
55 | 42 0.11
Rain
Actual:
57 | 50 0.42
Average:
54 | 42 0.17
Mostly Cloudy
Actual:
52 | 43 0.01
Average:
55 | 43 0.18
Partly Cloudy
Actual:
57 | 46 0.01
Average:
56 | 42 0.20
Partly Cloudy
Actual:
55 | 46 0.00
Average:
56 | 42 0.24
Thunderstorm
Actual:
60 | 52 0.14
Average:
56 | 43 0.13
Rain
Actual:
57 | 48 0.57
Average:
57 | 44 0.20
Rain
Actual:
53 | 46 0.14
Average:
56 | 43 0.11
Rain
Actual:
59 | 51 0.61
Average:
57 | 43 0.23
Rain
Actual:
60 | 53 0.10
Average:
56 | 43 0.05
Partly Cloudy
Actual:
57 | 50 0.00
Average:
56 | 43 0.17
Rain
Actual:
59 | 48 0.03
Average:
57 | 43 0.19
Rain
Actual:
55 | 51 0.19
Average:
57 | 43 0.15
Rain
Actual:
59 | 53 1.18
Average:
56 | 42 0.15
Rain
Actual:
57 | 53 1.73
Average:
57 | 42 0.17
Mostly Cloudy
Actual:
59 | 51 0.01
Average:
57 | 42 0.11
Partly Cloudy
Actual:
55 | 48 0.00
Average:
57 | 43 0.12
Partly Cloudy
Actual:
60 | 46 0.00
Average:
56 | 42 0.11
Partly Cloudy
Actual:
55 | 44 0.00
Average:
56 | 42 0.11
Partly Cloudy
Actual:
57 | 46 0.00
Average:
56 | 42 0.21
Rain
Actual:
55 | 53 0.54
Average:
56 | 42 0.14
Rain
Actual:
55 | 50 0.04
Average:
56 | 42 0.11
 

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

2000 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 53 50 46 47 45 44 90 84 77 30.18 30.11 30.04 10 10 8 23 10 29 0.00  
2 55 48 41 46 41 35 90 76 57 30.41 30.33 30.20 10 10 10 21 9 - 0.00  
3 64 52 41 48 43 40 96 76 40 30.49 30.45 30.41 10 10 10 12 5 - 0.00  
4 64 55 46 53 47 38 100 80 50 30.51 30.43 30.38 10 10 7 10 4 - 0.01  
5 68 57 46 50 42 32 99 72 39 30.38 30.32 30.26 10 10 10 13 7 - 0.00  
6 53 46 39 42 35 29 77 62 40 30.41 30.37 30.31 10 10 9 12 3 - 0.00  
7 53 48 43 50 43 36 100 81 57 30.40 30.34 30.29 10 9 5 17 4 - 0.00  
8 55 52 48 50 48 46 97 90 77 30.36 30.29 30.25 10 9 7 16 7 - 0.00  
9 55 50 46 50 47 46 100 88 72 30.35 30.29 30.27 10 10 7 24 8 25 0.00  
10 57 54 50 52 50 48 96 87 75 30.27 30.22 30.15 10 9 2 15 6 - 0.00  
11 57 54 50 55 52 46 100 92 83 30.18 30.09 30.04 10 7 2 24 12 31 0.42 Rain
12 52 48 43 48 45 42 97 88 80 30.26 30.22 30.18 10 10 10 9 3 - 0.01  
13 57 52 46 54 49 44 100 86 67 30.25 30.21 30.18 10 9 2 16 6 - 0.01  
14 55 50 46 52 50 46 97 90 83 30.21 30.16 30.12 10 10 9 8 4 - 0.00  
15 60 56 52 53 50 45 100 84 60 30.11 29.94 29.82 10 10 6 34 6 45 0.14 Rain , Thunderstorm
16 57 52 48 54 45 39 93 73 49 30.19 30.09 29.86 10 9 2 29 15 39 0.57 Rain
17 53 50 46 52 48 44 100 90 77 30.20 30.13 30.05 10 8 2 15 5 18 0.14 Rain
18 59 55 51 55 52 50 100 96 87 30.15 30.05 29.98 10 6 2 16 5 - 0.61 Rain
19 60 56 53 58 54 53 100 95 88 30.15 30.12 30.08 10 7 2 13 3 - 0.10 Rain
20 57 54 50 52 46 43 100 78 62 30.17 30.14 30.10 10 10 8 9 5 - 0.00  
21 59 54 48 52 48 45 93 83 72 30.16 30.13 30.09 10 10 7 13 4 - 0.03 Rain
22 55 53 51 52 51 50 100 94 83 30.14 30.09 30.03 10 7 3 8 4 - 0.19 Rain
23 59 56 53 57 54 52 100 94 88 30.04 30.00 29.95 10 5 2 26 8 31 1.18 Rain
24 57 55 53 56 54 52 100 96 90 30.01 29.98 29.94 10 5 2 21 8 29 1.73 Rain
25 59 55 51 54 51 45 100 89 75 30.15 30.05 30.00 10 10 6 18 7 25 0.01  
26 55 52 48 48 45 44 90 80 69 30.28 30.23 30.17 10 10 10 12 8 - 0.00  
27 60 53 46 49 45 42 93 82 53 30.30 30.25 30.20 10 10 7 13 3 - 0.00  
28 55 50 44 49 45 40 96 83 69 30.20 30.15 30.10 10 10 8 10 4 - 0.00  
29 57 52 46 51 46 43 97 81 69 30.11 30.03 29.97 10 9 5 10 4 - 0.00  
30 55 54 53 54 49 43 96 82 69 30.19 29.99 29.88 10 8 2 26 15 45 0.54 Rain
31 55 52 50 50 48 43 96 86 66 30.35 30.27 30.20 10 8 2 13 5 16 0.04 Rain