Rayleigh Wind Speed Distribution For Average Annual Wind Speed
Wind Speed BinProbability of Occurrence at Annual Average Wind Speeds  
 34567891011121314151617181920
10.15990.09350.06090.04270.03150.02420.01920.01560.01290.01080.00930.00800.00700.00610.00540.00480.00430.0039
20.24620.16130.11080.08000.06010.04670.03730.03040.02530.02130.01820.01580.01380.01210.01080.00960.00860.0078
30.23870.18930.14210.10760.08330.06590.05330.04390.03670.03120.02670.02320.02030.01790.01590.01420.01280.0116
40.17280.17900.15200.12310.09920.08070.06640.05540.04680.04000.03450.03010.02640.02340.02080.01870.01680.0152
50.09850.14390.14320.12640.10740.09030.07610.06450.05520.04760.04140.03630.03200.02840.02540.02280.02060.0187
60.04530.10060.12170.11940.10800.09470.08210.07100.06170.05380.04720.04160.03690.03300.02960.02670.02410.0220
70.01700.06200.09430.10490.10230.09420.08440.07480.06610.05850.05180.04610.04120.03700.03330.03010.02740.0250
80.00520.03390.06730.08640.09190.08950.08340.07600.06860.06160.05520.04960.04470.04030.03650.03320.03030.0277
90.00130.01660.04440.06710.07880.08170.07960.07480.06910.06310.05740.05210.04740.04310.03930.03590.03280.0301
100.00030.00720.02720.04920.06450.07190.07350.07160.06780.06320.05840.05370.04920.04510.04140.03800.03500.0323
110.00000.00280.01540.03430.05070.06120.06600.06680.06510.06200.05830.05430.05030.04660.04300.03980.03680.0341
120.00000.00100.00820.02260.03830.05030.05760.06080.06120.05970.05710.05400.05070.04730.04410.04100.03820.0355
130.00000.00030.00400.01420.02780.04010.04900.05420.05630.05640.05510.05290.05030.04750.04460.04180.03920.0366
140.00000.00010.00190.00850.01940.03100.04060.04720.05090.05240.05230.05120.04930.04710.04470.04220.03980.0374
150.00000.00000.00080.00480.01310.02330.03280.04020.04520.04800.04900.04880.04770.04620.04420.04210.04000.0379
160.00000.00000.00030.00260.00850.01700.02590.03370.03940.04320.04530.04600.04570.04480.04340.04170.03990.0380
170.00000.00000.00010.00140.00530.01200.02000.02760.03380.03830.04120.04280.04330.04300.04210.04090.03940.0379
180.00000.00000.00000.00070.00320.00830.01510.02220.02850.03350.03710.03940.04060.04090.04060.03980.03870.0374
190.00000.00000.00000.00030.00190.00560.01110.01750.02370.02890.03300.03580.03760.03850.03870.03840.03770.0367
200.00000.00000.00000.00010.00110.00360.00800.01360.01940.02460.02900.03230.03460.03600.03670.03680.03650.0358
210.00000.00000.00000.00010.00060.00230.00570.01030.01560.02070.02510.02870.03140.03330.03440.03500.03500.0347
220.00000.00000.00000.00000.00030.00140.00390.00770.01230.01710.02160.02540.02840.03060.03210.03300.03340.0334
230.00000.00000.00000.00000.00020.00090.00260.00570.00960.01400.01830.02210.02530.02780.02970.03090.03170.0320
240.00000.00000.00000.00000.00010.00050.00170.00410.00740.01130.01530.01910.02240.02520.02730.02880.02980.0304
250.00000.00000.00000.00000.00000.00030.00110.00290.00560.00900.01270.01640.01970.02250.02490.02660.02790.0288
260.00000.00000.00000.00000.00000.00020.00070.00200.00420.00710.01040.01390.01710.02010.02250.02450.02600.0271
270.00000.00000.00000.00000.00000.00010.00040.00140.00310.00550.00850.01170.01480.01770.02020.02240.02410.0253
280.00000.00000.00000.00000.00000.00000.00030.00090.00220.00420.00680.00970.01270.01550.01810.02030.02210.0236
290.00000.00000.00000.00000.00000.00000.00020.00060.00160.00320.00540.00800.01070.01350.01600.01830.02020.0218
300.00000.00000.00000.00000.00000.00000.00010.00040.00110.00240.00430.00650.00910.01160.01410.01640.01840.0201
310.00000.00000.00000.00000.00000.00000.00010.00030.00080.00180.00330.00530.00760.01000.01240.01460.01670.0184
320.00000.00000.00000.00000.00000.00000.00000.00020.00050.00130.00260.00420.00630.00850.01080.01300.01500.0168
330.00000.00000.00000.00000.00000.00000.00000.00010.00040.00090.00190.00340.00510.00720.00930.01140.01340.0153
340.00000.00000.00000.00000.00000.00000.00000.00010.00020.00070.00150.00270.00420.00600.00800.01000.01200.0138
350.00000.00000.00000.00000.00000.00000.00000.00000.00020.00050.00110.00210.00340.00500.00680.00870.01060.0124
360.00000.00000.00000.00000.00000.00000.00000.00000.00010.00030.00080.00160.00270.00410.00580.00750.00930.0111
370.00000.00000.00000.00000.00000.00000.00000.00000.00010.00020.00060.00120.00220.00340.00490.00650.00820.0099
380.00000.00000.00000.00000.00000.00000.00000.00000.00000.00020.00040.00090.00170.00280.00410.00560.00710.0088
390.00000.00000.00000.00000.00000.00000.00000.00000.00000.00010.00030.00070.00130.00230.00340.00470.00620.0077
400.00000.00000.00000.00000.00000.00000.00000.00000.00000.00010.00020.00050.00100.00180.00280.00400.00540.0068
410.00000.00000.00000.00000.00000.00000.00000.00000.00000.00000.00020.00040.00080.00140.00230.00340.00460.0059
420.00000.00000.00000.00000.00000.00000.00000.00000.00000.00000.00010.00030.00060.00120.00190.00280.00390.0052
430.00000.00000.00000.00000.00000.00000.00000.00000.00000.00000.00010.00020.00050.00090.00150.00240.00330.0045
440.00000.00000.00000.00000.00000.00000.00000.00000.00000.00000.00010.00020.00040.00070.00120.00200.00280.0039
450.00000.00000.00000.00000.00000.00000.00000.00000.00000.00000.00000.00010.00030.00060.00100.00160.00240.0033
460.00000.00000.00000.00000.00000.00000.00000.00000.00000.00000.00000.00010.00020.00040.00080.00130.00200.0028
470.00000.00000.00000.00000.00000.00000.00000.00000.00000.00000.00000.00010.00010.00030.00060.00110.00170.0024
480.00000.00000.00000.00000.00000.00000.00000.00000.00000.00000.00000.00000.00010.00030.00050.00090.00140.0020
490.00000.00000.00000.00000.00000.00000.00000.00000.00000.00000.00000.00000.00010.00020.00040.00070.00110.0017
500.00000.00000.00000.00000.00000.00000.00000.00000.00000.00000.00000.00000.00010.00010.00030.00060.00090.0014
Notes: Cell B7 = +1*((@PI/2)*($A7/(B$6^2))*@EXP(-(@PI/4)*($A7/B$6)^2)), where the width of the wind speed bins is 1. 0 to 0.49 bin not included.
6/14/2002