Weather History for Block Island, RI

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Month of May, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 78 °F 61 °F 51 °F
Mean Temperature 68 °F 55 °F 48 °F
Min Temperature 59 °F 49 °F 42 °F
Degree Days  
Heating Degree Days (base 65) 18 10 0 303
Cooling Degree Days (base 65) 4 0 0 5
Growing Degree Days (base 50) 18 6 0 176
Dew Point  
Dew Point 64 °F 48 °F 28 °F
Precipitation  
Precipitation 0.81 in 0.07 in 0.00 in 2.31 in
Snowdepth - - - -
Wind  
Wind 25 mph 10 mph 0 mph
Gust Wind 39 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.48 in 30.07 in 29.66 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 25, 2013 Rise Set
Actual Time 5:19 AM EDT 8:07 PM EDT
Civil Twilight 4:47 AM EDT 8:39 PM EDT
Nautical Twilight 4:06 AM EDT 9:20 PM EDT
Astronomical Twilight 3:19 AM EDT 10:07 PM EDT
Moon 8:52 PM EDT (5/25) 5:43 AM EDT (5/25)
Length of Visible Light 15h 52m
Length of Day
14h 47m
Full, 100% of the Moon is Illuminated
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Jun 23
Full

Weather History Calendar

Precipitation Actual month total 2.31 Average Month Total: 3.22
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
55 | 44 0.00
Average:
58 | 44 0.04
Scattered Clouds
Actual:
62 | 42 0.00
Average:
56 | 45 0.10
Partly Cloudy
Actual:
53 | 46 0.00
Average:
56 | 44 0.12
Clear
Actual:
53 | 44 0.00
Average:
57 | 44 0.13
Partly Cloudy
Actual:
53 | 42 0.00
Average:
56 | 44 0.11
Partly Cloudy
Actual:
55 | 42 0.00
Average:
57 | 45 0.07
Partly Cloudy
Actual:
62 | 44 0.00
Average:
58 | 44 0.10
Partly Cloudy
Actual:
60 | 53 0.03
Average:
56 | 43 0.08
Thunderstorm
Actual:
59 | 51 0.17
Average:
57 | 45 0.22
Scattered Clouds
Actual:
69 | 51 0.00
Average:
59 | 46 0.10
Thunderstorm
Actual:
59 | 53 0.62
Average:
60 | 47 0.13
Partly Cloudy
Actual:
62 | 53 0.05
Average:
60 | 47 0.08
Scattered Clouds
Actual:
55 | 46 0.00
Average:
60 | 47 0.10
Scattered Clouds
Actual:
55 | 44 0.00
Average:
61 | 46 0.05
Partly Cloudy
Actual:
57 | 44 0.01
Average:
59 | 47 0.05
Clear
Actual:
66 | 51 0.00
Average:
60 | 49 0.17
Scattered Clouds
Actual:
66 | 53 0.00
Average:
62 | 49 0.07
Scattered Clouds
Actual:
62 | 46 0.00
Average:
61 | 48 0.05
Partly Cloudy
Actual:
62 | 53 0.13
Average:
59 | 48 0.13
Overcast
Actual:
64 | 55 0.04
Average:
61 | 48 0.20
Partly Cloudy
Actual:
66 | 55 0.00
Average:
64 | 50 0.14
Overcast
Actual:
64 | 53 0.00
Average:
65 | 51 0.05
Overcast
Actual:
64 | 59 0.09
Average:
65 | 51 0.08
Mostly Cloudy
Actual:
68 | 50 0.81
Average:
63 | 50 0.13
Overcast
Actual:
51 | 44 0.16
Average:
62 | 51 0.09
Partly Cloudy
Actual:
57 | 44 0.00
Average:
63 | 49 0.04
Clear
Actual:
62 | 46 0.00
Average:
63 | 50 0.08
Scattered Clouds
Actual:
64 | 50 0.02
Average:
65 | 52 0.11
Thunderstorm
Actual:
64 | 57 0.18
Average:
66 | 52 0.16
Scattered Clouds
Actual:
75 | 57 0.00
Average:
66 | 53 0.05
Clear
Actual:
78 | 59 0.00
Average:
67 | 54 0.19
 

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

2013 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 55 50 44 48 43 37 87 75 67 30.48 30.44 30.35 10 10 10 14 7 18 0.00  
2 62 52 42 46 43 37 93 69 45 30.47 30.43 30.37 10 10 10 15 5 20 0.00  
3 53 50 46 43 41 37 87 73 62 30.47 30.42 30.37 10 10 10 18 12 25 0.00  
4 53 48 44 43 40 36 87 72 58 30.36 30.31 30.28 10 10 10 18 9 28 0.00  
5 53 48 42 45 41 37 87 77 67 30.31 30.28 30.26 10 10 1 15 10 20 0.00  
6 55 48 42 48 42 37 93 82 72 30.29 30.24 30.18 10 9 0 9 5 - 0.00  
7 62 53 44 55 50 43 94 88 77 30.20 30.17 30.15 10 6 0 12 6 - 0.00  
8 60 56 53 57 54 52 94 90 82 30.17 30.12 30.06 10 6 0 18 10 25 0.03  
9 59 55 51 55 52 48 100 92 82 30.05 29.96 29.89 10 3 0 15 5 22 0.17 Thunderstorm
10 69 60 51 55 52 48 94 80 56 30.00 29.97 29.93 10 7 0 17 11 22 0.00  
11 59 56 53 55 54 50 94 90 82 29.96 29.84 29.73 10 6 0 22 14 31 0.62 Thunderstorm
12 62 58 53 55 49 36 94 77 47 29.86 29.70 29.66 10 6 0 22 12 29 0.05  
13 55 52 46 36 33 28 62 49 38 30.04 29.98 29.87 10 10 10 18 12 28 0.00  
14 55 50 44 41 34 28 76 55 44 30.09 30.04 30.01 10 10 10 21 10 24 0.00  
15 57 50 44 52 45 39 88 77 51 30.09 29.95 29.71 10 10 8 25 11 39 0.01  
16 66 58 51 54 49 46 88 71 52 29.82 29.75 29.70 10 10 5 21 12 29 0.00  
17 66 60 53 48 44 39 77 59 45 30.22 30.03 29.82 10 10 10 15 9 18 0.00  
18 62 54 46 50 47 43 88 73 55 30.34 30.30 30.23 10 10 10 16 9 22 0.00  
19 62 58 53 54 49 45 94 77 59 30.38 30.33 30.24 10 9 4 16 8 20 0.13  
20 64 60 55 59 55 54 94 90 77 30.22 30.06 29.98 10 2 0 21 14 26 0.04  
21 66 60 55 61 56 54 94 87 73 30.00 29.95 29.88 10 4 0 20 11 26 0.00  
22 64 58 53 59 54 50 94 87 77 29.98 29.95 29.91 10 4 0 13 9 23 0.00  
23 64 62 59 59 57 55 94 87 77 29.98 29.94 29.87 7 4 1 21 16 30 0.09  
24 68 59 50 63 56 46 94 89 77 29.86 29.76 29.72 10 5 0 17 12 24 0.81  
25 51 48 44 46 43 37 93 84 71 29.82 29.77 29.74 10 8 2 21 12 29 0.16  
26 57 50 44 43 40 36 76 63 54 30.16 29.94 29.80 10 10 10 23 15 36 0.00  
27 62 54 46 46 44 39 82 65 52 30.20 30.17 30.13 10 10 10 22 11 31 0.00  
28 64 57 50 54 50 45 94 77 56 30.26 30.22 30.18 10 9 1 16 7 18 0.02  
29 64 60 57 55 54 54 94 85 73 30.19 30.10 30.04 10 9 5 20 15 25 0.18 Thunderstorm
30 75 66 57 64 58 54 88 78 65 30.13 30.10 30.07 10 10 9 20 13 26 0.00  
31 78 68 59 64 59 55 88 74 61 30.14 30.08 30.02 10 10 10 23 12 29 0.00