Weather History for Alturas, CA

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Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 54 °F 46 °F 37 °F
Mean Temperature 44 °F 29 °F 17 °F
Min Temperature 36 °F 11 °F -6 °F
Degree Days  
Heating Degree Days (base 65) 48 36 21 1122
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 43 °F 16 °F -5 °F
Precipitation  
Precipitation 0.08 in 0.00 in 0.00 in 0.10 in
Snowdepth - - - -
Wind  
Wind 35 mph 3 mph 0 mph
Gust Wind 43 mph 23 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.79 in 30.33 in 29.81 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 15, 2011 Rise Set
Actual Time 7:21 AM PST 4:33 PM PST
Civil Twilight 6:50 AM PST 5:04 PM PST
Nautical Twilight 6:15 AM PST 5:39 PM PST
Astronomical Twilight 5:41 AM PST 6:13 PM PST
Moon 10:08 PM PST (12/15) 10:37 AM PST (12/15)
Length of Visible Light 10h 14m
Length of Day
9h 11m
Waning Gibbous, 73% of the Moon is Illuminated
Dec 15
Waning Gibbous
Dec 17
Last Quarter
Dec 24
New
Dec 31
First Quarter
Jan 8
Full

Weather History Calendar

Precipitation Actual month total 0.10 Normal Month Total: 1.71
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
45 | 24 0.00
Average:
42 | 20 0.05
Clear
Actual:
47 | 12 0.00
Average:
42 | 20 0.05
Clear
Actual:
41 | 13 0.00
Average:
42 | 20 0.05
Clear
Actual:
45 | 7 0.00
Average:
42 | 20 0.05
Clear
Actual:
41 | 9 0.00
Average:
41 | 20 0.06
Clear
Actual:
48 | 9 0.00
Average:
41 | 20 0.04
Clear
Actual:
49 | 12 0.00
Average:
41 | 20 0.06
Clear
Actual:
48 | 9 0.00
Average:
41 | 19 0.05
Clear
Actual:
53 | 7 0.00
Average:
41 | 19 0.06
Clear
Actual:
51 | 8 0.00
Average:
40 | 19 0.05
Scattered Clouds
Actual:
47 | 7 0.00
Average:
40 | 19 0.06
Scattered Clouds
Actual:
37 | 11 0.00
Average:
40 | 19 0.05
Clear
Actual:
41 | 3 0.00
Average:
40 | 19 0.06
Snow
Actual:
44 | 4 T
Average:
40 | 19 0.05
Partly Cloudy
Actual:
41 | 25 T
Average:
40 | 19 0.06
Clear
Actual:
47 | 10 0.00
Average:
40 | 19 0.06
Clear
Actual:
54 | 10 0.00
Average:
40 | 19 0.05
Clear
Actual:
45 | 8 0.00
Average:
40 | 19 0.07
Clear
Actual:
45 | 13 0.00
Average:
40 | 19 0.06
Clear
Actual:
46 | 6 0.00
Average:
40 | 18 0.06
Clear
Actual:
39 | 1 0.00
Average:
40 | 18 0.06
Clear
Actual:
39 | -6 0.00
Average:
40 | 18 0.06
Clear
Actual:
44 | 1 0.00
Average:
40 | 18 0.06
Clear
Actual:
51 | 2 0.00
Average:
40 | 18 0.05
Clear
Actual:
53 | 11 0.00
Average:
40 | 18 0.06
Scattered Clouds
Actual:
50 | 8 0.00
Average:
40 | 18 0.06
Rain
Actual:
47 | 19 0.02
Average:
40 | 18 0.05
Partly Cloudy
Actual:
52 | 36 T
Average:
40 | 18 0.06
Rain
Actual:
50 | 32 T
Average:
40 | 18 0.05
Snow
Actual:
50 | 20 0.08
Average:
40 | 18 0.05
Clear
Actual:
45 | 8 0.00
Average:
40 | 18 0.05
 

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

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 45 35 24 19 16 11 81 53 25 30.56 30.49 30.37 10 10 10 16 10 23 0.00  
2 47 30 12 19 15 9 96 59 21 30.38 30.29 30.14 10 9 4 24 4 36 0.00  
3 41 27 13 17 13 9 88 58 27 30.48 30.41 30.32 10 9 2 12 3 16 0.00  
4 45 26 7 22 14 5 92 65 38 30.48 30.42 30.32 10 9 2 18 4 24 0.00  
5 41 25 9 16 11 6 92 59 25 30.51 30.46 30.39 10 9 3 8 1 10 0.00  
6 48 29 9 18 9 5 84 52 19 30.57 30.48 30.41 10 9 4 5 0 6 0.00  
7 49 31 12 23 16 9 92 63 34 30.47 30.36 30.26 10 8 2 9 1 9 0.00  
8 48 29 9 27 17 9 100 71 42 30.43 30.36 30.29 10 8 2 7 1 7 0.00  
9 53 30 7 25 13 6 96 58 20 30.48 30.38 30.30 10 9 2 8 2 12 0.00  
10 51 30 8 19 12 7 84 53 21 30.31 30.18 30.00 10 8 2 10 2 12 0.00  
11 47 27 7 20 13 6 91 59 26 30.05 29.94 29.83 10 8 2 8 2 12 0.00  
12 37 24 11 21 19 13 92 72 52 30.00 29.90 29.81 10 10 7 17 7 22 0.00  
13 41 22 3 20 11 1 100 69 38 30.22 30.09 29.94 10 7 2 5 1 6 0.00  
14 44 24 4 27 13 2 91 64 36 30.34 30.24 30.09 10 8 2 10 2 14 T Snow
15 41 33 25 28 25 20 92 74 55 30.44 30.29 30.14 10 9 5 14 3 16 T  
16 47 29 10 24 19 12 100 67 34 30.58 30.51 30.43 10 9 5 9 2 14 0.00  
17 54 32 10 22 16 9 100 64 28 30.52 30.37 30.22 10 8 2 10 2 13 0.00  
18 45 27 8 22 16 6 92 66 40 30.31 30.23 30.17 10 9 5 8 2 12 0.00  
19 45 29 13 26 20 13 88 61 33 30.41 30.32 30.23 10 10 3 15 6 22 0.00  
20 46 26 6 19 12 5 92 62 31 30.43 30.33 30.23 10 8 3 8 1 9 0.00  
21 39 20 1 16 7 -1 92 59 25 30.52 30.40 30.27 10 9 5 13 3 16 0.00  
22 39 17 -6 11 2 -5 100 61 21 30.71 30.61 30.46 10 8 2 6 1 8 0.00  
23 44 23 1 9 3 -3 87 53 18 30.79 30.72 30.62 10 9 2 13 1 14 0.00  
24 51 27 2 13 6 -2 87 54 20 30.79 30.66 30.52 10 8 2 8 1 9 0.00  
25 53 32 11 11 6 2 67 41 14 30.50 30.41 30.30 10 9 2 18 4 21 0.00  
26 50 29 8 14 9 4 83 51 18 30.40 30.35 30.24 10 9 5 12 1 14 0.00  
27 47 33 19 34 21 13 65 52 39 30.45 30.36 30.28 10 9 4 7 1 9 0.02 Rain
28 52 44 36 41 37 34 92 77 61 30.32 30.26 30.18 10 10 9 16 4 23 T  
29 50 41 32 43 39 32 100 86 71 30.23 30.13 29.98 10 10 5 17 4 22 T Rain
30 50 35 20 41 34 20 96 79 62 30.30 30.01 29.86 10 9 2 35 13 43 0.08 Rain , Snow
31 45 27 8 25 18 7 92 67 41 30.44 30.37 30.29 10 8 2 10 3 13 0.00