April
100
1011.4
Calm
1036.5
80
1011.9
N
1008.1
1005.4
NE
1009.3
971.1
17,641
60
E
1009.7
SE
1008.5
40
S
1007.2
SW
1008.8
20
W
1009.7
NW
1009.3
0
100
Calm
1012.7
1050.4
80
1011.8
N
1007.5
1005.0
NE
1006.7
970.6
17,239
60
E
1006.0
SE
1007.8
40
S
1009.5
SW
1010.3
W
20
1010.7
NW
1008.6
0
100
Calm
1008.6
1036.5
80
1011.2
N
1007.3
1004.7
NE
1007.5
968.0
15,857
60
E
1005.3
SE
1007.3
40
S
1009.1
SW
1009.4
W
20
1009.5
NW
1008.3
0
100
Calm
1009.6
1036.7
80
1010.5
N
1004.8
1003.2
NE
1003.6
962.5
17,237
60
E
1005.7
SE
1006.7
40
S
1007.8
SW
1008.9
W
20
1010.6
NW
1007.4
0
960
980
1000
1020
1040
1060
50
60
40
30
20
10
0
Frequency (%)
Sea Level Pressure (mb)
129
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