Weather History for Eureka, CA

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Month of January, 1987

  Max Avg Min Sum
Temperature  
Max Temperature 62 °F 53 °F 41 °F
Mean Temperature 60 °F 49 °F 38 °F
Min Temperature 55 °F 44 °F 34 °F
Degree Days  
Heating Degree Days (base 65) 27 16 4 490
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 10 1 0 40
Dew Point  
Dew Point 55 °F 41 °F 14 °F
Precipitation  
Precipitation 0.25 in 0.03 in 0.00 in 0.95 in
Snowdepth - - - -
Wind  
Wind 24 mph 8 mph 0 mph
Gust Wind - - -
Sea Level Pressure  
Sea Level Pressure 30.59 in 30.14 in 29.76 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 18, 1987 Rise Set
Actual Time 7:37 AM PST 5:16 PM PST
Civil Twilight 7:07 AM PST 5:46 PM PST
Nautical Twilight 6:34 AM PST 6:20 PM PST
Astronomical Twilight 6:01 AM PST 6:53 PM PST
Moon 9:00 PM PST (1/18) 9:49 AM PST (1/18)
Length of Visible Light 10h 39m
Length of Day
9h 39m
Waning Gibbous, 88% of the Moon is Illuminated
Jan 18
Waning Gibbous
Jan 22
Last Quarter
Jan 29
New
Feb 5
First Quarter
Feb 13
Full

Weather History Calendar

Precipitation Actual month total 0.95 Average Month Total: 6.20
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
55 | 48 0.11
Average:
53 | 39 0.20
Rain
Actual:
55 | 45 0.04
Average:
53 | 39 0.14
Thunderstorm
Actual:
52 | 49 0.25
Average:
54 | 40 0.18
Partly Cloudy
Actual:
50 | 45 0.02
Average:
54 | 40 0.20
Partly Cloudy
Actual:
52 | 42 0.00
Average:
52 | 40 0.15
Scattered Clouds
Actual:
52 | 43 0.00
Average:
53 | 40 0.11
Clear
Actual:
50 | 38 0.00
Average:
55 | 41 0.13
Rain
Actual:
48 | 48 0.02
Average:
54 | 41 0.17
Partly Cloudy
Actual:
60 | 47 0.00
Average:
54 | 42 0.20
Partly Cloudy
Actual:
56 | 47 0.00
Average:
54 | 42 0.19
Partly Cloudy
Actual:
50 | 47 0.00
Average:
55 | 41 0.14
Rain
Actual:
52 | 47 0.03
Average:
57 | 42 0.28
Scattered Clouds
Actual:
50 | 42 0.02
Average:
56 | 43 0.17
Partly Cloudy
Actual:
49 | 42 0.00
Average:
55 | 42 0.34
Clear
Actual:
41 | 38 0.00
Average:
54 | 43 0.29
Scattered Clouds
Actual:
50 | 34 0.00
Average:
55 | 43 0.31
Partly Cloudy
Actual:
54 | 37 0.00
Average:
56 | 42 0.06
Scattered Clouds
Actual:
51 | 41 0.00
Average:
56 | 42 0.21
Clear
Actual:
45 | 37 0.00
Average:
55 | 41 0.21
Clear
Actual:
55 | 38 0.00
Average:
55 | 41 0.19
Partly Cloudy
Actual:
52 | 40 0.00
Average:
55 | 41 0.29
Rain
Actual:
52 | 48 0.02
Average:
54 | 41 0.29
Rain
Actual:
50 | 46 0.05
Average:
54 | 41 0.16
Rain
Actual:
55 | 50 0.09
Average:
54 | 41 0.15
Rain
Actual:
62 | 55 0.08
Average:
55 | 41 0.26
Partly Cloudy
Actual:
61 | 50 0.00
Average:
54 | 41 0.27
Rain
Actual:
61 | 44 0.20
Average:
54 | 41 0.23
Rain
Actual:
54 | 45 0.02
Average:
54 | 41 0.16
Mostly Cloudy
Actual:
59 | 50 0.00
Average:
53 | 39 0.18
Partly Cloudy
Actual:
54 | 45 0.00
Average:
54 | 40 0.12
Mostly Cloudy
Actual:
57 | 50 0.00
Average:
54 | 40 0.22
 

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

1987 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 55 54 48 50 48 46 91 84 70 30.23 30.03 29.90 15 10 7 14 11 - 0.11 Rain
2 55 50 45 46 43 41 93 76 59 30.20 30.01 29.81 20 13 6 17 11 - 0.04 Rain
3 52 51 49 49 46 42 94 85 75 29.84 29.82 29.78 15 10 4 13 11 - 0.25 Rain , Thunderstorm
4 50 48 45 43 42 40 93 83 75 29.90 29.88 29.84 15 12 10 10 5 - 0.02  
5 52 47 42 41 40 38 84 75 64 30.04 29.98 29.91 15 13 10 5 2 - 0.00  
6 52 48 43 42 39 38 85 78 60 30.12 30.07 30.03 15 11 10 8 3 - 0.00  
7 50 44 38 43 39 36 91 85 76 30.20 30.18 30.15 10 8 7 6 5 - 0.00  
8 48 - 48 36 36 36 61 61 61 30.23 30.23 30.23 15 15 15 9 9 - 0.02 Rain
9 60 54 47 50 48 46 93 84 70 30.37 30.33 30.28 10 8 7 7 3 - 0.00  
10 56 52 47 50 48 46 99 90 80 30.38 30.34 30.29 10 7 2 6 5 - 0.00  
11 50 47 47 49 48 46 95 94 94 30.23 30.19 30.14 7 5 3 6 4 - 0.00  
12 52 50 47 49 45 39 100 83 72 30.44 30.30 30.14 10 7 4 16 11 - 0.03 Rain
13 50 46 42 41 37 32 88 74 51 30.59 30.52 30.47 15 10 7 15 6 - 0.02  
14 49 46 42 36 36 35 80 69 58 30.37 30.30 30.26 15 11 7 24 13 - 0.00  
15 41 41 38 26 26 26 61 58 54 30.27 30.27 30.26 15 15 15 16 13 - 0.00  
16 50 38 34 31 22 14 64 50 23 30.29 30.26 30.23 15 15 15 18 9 - 0.00  
17 54 46 37 42 38 30 95 78 63 30.30 30.28 30.27 10 8 5 7 7 - 0.00  
18 51 46 41 45 41 37 91 84 78 30.32 30.30 30.28 7 6 3 12 6 - 0.00  
19 45 41 37 38 38 37 96 88 77 30.35 30.32 30.29 7 4 2 5 3 - 0.00  
20 55 46 38 39 35 27 89 65 40 30.24 30.23 30.22 10 7 6 9 3 - 0.00  
21 52 46 40 42 35 29 76 64 40 30.25 30.23 30.19 10 8 7 12 7 - 0.00  
22 52 50 48 44 40 37 75 67 55 30.11 30.00 29.85 15 13 10 10 6 - 0.02 Rain
23 50 48 46 44 42 39 94 78 65 29.96 29.90 29.84 10 8 4 18 10 - 0.05 Rain
24 55 52 50 49 49 48 96 85 77 30.11 29.99 29.88 10 9 7 15 12 - 0.09 Rain
25 62 59 55 55 53 48 96 84 71 30.25 30.21 30.14 10 7 3 15 11 - 0.08 Rain
26 61 60 50 51 50 49 95 78 68 30.19 30.13 30.04 10 10 10 12 9 - 0.00  
27 61 54 44 48 46 41 99 85 62 29.94 29.83 29.79 10 5 3 17 11 - 0.20 Rain
28 54 50 45 45 42 41 90 76 61 30.10 30.03 29.89 15 12 10 13 11 - 0.02 Rain
29 59 50 50 38 36 34 62 50 38 30.03 29.90 29.76 10 10 10 20 10 - 0.00  
30 54 50 45 42 42 41 85 78 64 30.15 30.08 29.94 15 11 7 10 9 - 0.00  
31 57 54 50 46 43 39 68 66 64 30.15 30.10 30.04 15 14 10 17 12 - 0.00