LOCAL CLIMATOLOGICAL DATA
Month: 12 / 2017
Station Location: Relay Weather Station, Relay, Maryland
Lat.039:14:22 Long.0076:42:27
Elevation: 221 Feet Above Sea Level
Temperature
(Farenheit)
Humidity
(%)
Degree Days
Base 64 Degrees
  Snow/
Ice On
Ground
(in.)
Rain
(in.)
Pressure
(inches)
Wind-
speed
(mph)
D
A
Y
Max Min Avg Diff
From
Normal
Avg
Dew
Point
Avg
Wet
Bulb
Max Min Heating Cooling Sign.
Cond.
Sun
Hours
Snow-
fall
Water
Equiv.
Avg
Sea
Level
Avg
Speed
Max
Speed
Avg
Dir.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
053.6
049.3
055.6
051.3
059.2
054.8
048.0
038.9
035.9
038.9
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38.1
34.7
36.3
33.8
41.7
38.4
36.8
34.0
27.8
27.5
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46.8
41.5
44.3
42.2
50.9
43.0
41.3
36.6
31.7
32.9
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+0.7
+0.7
+2.0
+1.0
+10.4
+5.1
+3.8
+1.9
-4.8
-7.0
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37.1
34.8
37.3
36.7
48.4
25.3
24.4
22.0
25.3
25.2
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42.7
38.9
41.3
40.0
49.6
36.8
35.5
31.6
29.5
30.2
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93
89
97
91
95
94
61
62
92
93
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50
62
50
60
79
37
40
48
56
57
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18.2
23.4
20.7
22.7
14.1
21.9
23.6
28.4
33.3
32.0
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00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
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SNOW
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00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
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00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
02.50
00.00
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00.00
00.00
00.01
00.00
00.01
00.00
00.00
00.00
00.00
00.09
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30.18
30.23
30.19
30.35
30.07
30.01
30.04
30.04
29.86
29.98
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03.6
01.4
01.4
01.4
02.4
05.4
03.8
01.8
02.5
02.9
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20.7
10.3
13.8
16.1
20.7
32.2
32.2
12.7
12.7
20.7
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~311
~030
~292
~125
~182
~272
~260
~289
~317
~241
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  48.5

34.9

41.1

+1.9

31.6

37.5

    0023.8

0000.0

  Total
0.0
Total
2.50
Total
0.11
30.095

02.7

19.2

276


Maximum Temperature: 59.2
Minimum Temperature: 27.5
Maximum Pressure: 30.43
Minimum Pressure: 29.76
Maximum Daily Precip: 0.09 (in.)
Maximum Daily Snowfall: 2.50 (in.)

Gale: 0 Day(s)
Maximum Wind: 32.2
Wind Run: 641.3miles
Heating Degree Days: 238.4
Cooling Degree Days: 000.0

Max. Temp. >= 86 Was 0 Day(s)
Max. Temp. <= 32 Was 0 Day(s)
Min. Temp. <= 86 Was 10 Day(s)
Min. Temp. <= 0 Was 0 Day(s)
Precipitation >=.01inch Was 3 Day(s)
Precipitation >=.10inch Was 1 Day(s)
Snowfall >=1.0inch Was 1 Day(s)