Other Years:

Rock Hall, MD Daily Hi/Lo Wind (mph) Report - Swan Creek

Report for Year 2012

Note: Wind data is updated after midnight each day. Wind values are displayed in mph.
DayJanFebMarAprMayJunJulAugSepOctNovDec
AvgHiAvgHiAvgHiAvgHiAvgHiAvgHiAvgHiAvgHiAvgHiAvgHiAvgHiAvgHi
13.918.42.811.5------------------------------------------------------------
210.834.52.619.6------------------------------------------------------------
36.721.91.611.5------------------------------------------------------------
43.613.8------------------------------------------------------------------
52.012.7------------------------------------------------------------------
62.511.5------------------------------------------------------------------
72.212.7------------------------------------------------------------------
81.612.7------------------------------------------------------------------
91.19.2------------------------------------------------------------------
101.911.5------------------------------------------------------------------
115.117.3------------------------------------------------------------------
124.816.1------------------------------------------------------------------
1313.331.1------------------------------------------------------------------
148.520.7------------------------------------------------------------------
153.015.0------------------------------------------------------------------
165.518.4------------------------------------------------------------------
176.513.8------------------------------------------------------------------
186.124.2------------------------------------------------------------------
193.818.4------------------------------------------------------------------
202.715.0------------------------------------------------------------------
211.615.0------------------------------------------------------------------
220.34.6------------------------------------------------------------------
231.711.5------------------------------------------------------------------
241.56.9------------------------------------------------------------------
251.110.4------------------------------------------------------------------
262.513.8------------------------------------------------------------------
277.926.5------------------------------------------------------------------
284.523.0------------------------------------------------------------------
295.226.5------------------------------------------------------------------
307.224.2  ------------------------------------------------------------
315.111.5  ------  ------  ------------  ------  ------
Month Avg4.316.92.314.2------------------------------------------------------------
Month Highs13.334.52.819.6------------------------------------------------------------
WIND COLOR CODING CHART
Beaufort number Description Wind speed
km/h mph kts m/s
0 Calm < 1 < 1 < 1 < 0.3
1 Light air 1.1 – 5.5 1 – 3 1 – 2 0.3 – 1.5
2 Light breeze 5.6 – 11 4 – 7 3 – 6 1.6 – 3.4
3 Gentle breeze 12 – 19 8 – 12 7 – 10 3.4 – 5.4
4 Moderate breeze 20 – 28 13 – 17 11 – 15 5.5 – 7.9
5 Fresh breeze 29 – 38 18 – 24 16 – 20 8.0 – 10.7
6 Strong breeze 39 – 49 25 – 30 21 – 26 10.8 – 13.8
7 High wind, Moderate gale, Near gale 50 – 61 31 – 38 27 – 33 13.9 – 17.1
8 Gale, Fresh gale 62 – 74 39 – 46 34 – 40 17.2 – 20.7
9 Strong gale 75 – 88 47 – 54 41 – 47 20.8 – 24.4
10 Storm, Whole gale 89 – 102 55 – 63 48 – 55 24.5 – 28.4
11 Violent storm 103 – 117 64 – 72 56 – 63 28.5 – 32.6
12 Hurricane-force > 118 > 73 > 64 > 32.7