Other Years:

Chester, CA Wind Reports

Report for Year 2012

Note: Wind data is updated after midnight each day. Wind values are displayed in mph.
DayJanFebMarAprMayJunJulAugSepOctNovDec
AvgHiAvgHiAvgHiAvgHiAvgHiAvgHiAvgHiAvgHiAvgHiAvgHiAvgHiAvgHi
10.02.30.15.8------------------------------------------------------------
20.011.50.110.4------------------------------------------------------------
30.00.00.011.5------------------------------------------------------------
40.00.0------------------------------------------------------------------
50.01.1------------------------------------------------------------------
60.02.3------------------------------------------------------------------
70.112.7------------------------------------------------------------------
80.03.5------------------------------------------------------------------
90.02.3------------------------------------------------------------------
100.01.1------------------------------------------------------------------
110.05.8------------------------------------------------------------------
120.03.5------------------------------------------------------------------
130.03.5------------------------------------------------------------------
140.06.9------------------------------------------------------------------
150.311.5------------------------------------------------------------------
160.03.5------------------------------------------------------------------
170.02.3------------------------------------------------------------------
180.03.5------------------------------------------------------------------
190.05.8------------------------------------------------------------------
200.09.2------------------------------------------------------------------
210.219.6------------------------------------------------------------------
220.15.8------------------------------------------------------------------
230.01.1------------------------------------------------------------------
240.01.1------------------------------------------------------------------
250.00.0------------------------------------------------------------------
260.05.8------------------------------------------------------------------
270.210.4------------------------------------------------------------------
280.03.5------------------------------------------------------------------
290.01.1------------------------------------------------------------------
300.02.3  ------------------------------------------------------------
310.03.5  ------  ------  ------------  ------  ------
Month Avg0.04.70.19.2------------------------------------------------------------
Month Highs0.319.60.111.5------------------------------------------------------------
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