Vessel Quotas and Operating Requirements Vessel Quotas and ...

Wind Rose
Page 1 of 2
Database: TDF14, TD3280 - Hourly Observations
Stations: Sitka Ap
Years: 1987-1999
Months: January-December
Days: 1-31
Hours: 12 am-11 pm
Note: Radial Bands indicate 10 knot increments of wind speed acting toward the center of the wind rose
Speed 0 o 22.5 o 45 o 67.5 o 90 o 112.5 o 135 o 157.5 o 180 o 202.5 o 225 o 247.5 o 270 o 292.5 o 315 o 337.5 o Calm Unknown
0-9 knots
2.35%
(172)
0.70%
(51)
0.61%
(45)
1.54%
(113)
12.38%
(907)
8.69%
(637)
3.49%
(256)
1.92%
(141)
2.95%
(216)
3.30%
(242)
4.50%
(330)
2.10%
(154)
2.48%
(182)
2.09%
(153)
3.37%
(247)
2.43%
(178)
14.32%
(1049)
(0)
10-19 knots
0.10%
(7)
0.04%
(3)
2.61%
(191)
11.79%
(864)
2.76%
(202)
0.82%
(60)
2.89%
(212)
2.36%
(173)
1.01%
(74)
0.53%
(39)
0.74%
(54)
1.09%
(80)
1.15%
(84)
0.75%
(55)
(0)
20-29 knots 0.25%
(18)
0.59%
(43)
0.19%
(14)
0.26%
(19)
0.52%
(38)
0.08%
(6)
0.11%
(8)
0.05%
(4)
0.03%
(2)
0.01%
(1)
(0)
30-39 knots
0.03%
(2)
Unknown (0) (0) (0) (0) (0) (0) (0) (0) (0) (0) (0) (0) (0) (0) (0) (0) (0)
0.01%
(1)
* Values in the table report the percentage and quantity for a given speed and direction.
* 'Calm' values are not graphed on the wind rose, but percentages and quantities are reported in the table.
* Unknown values are not included in percentages, only quantity is reported.
(0)
Please Read
Invalid Values are NOT included in the above calculations.
file://J:\2002\02056%20Glacier%20Bay%20EIS\Sandy\wind%20analysis\All%20Season%20Wind%20Roses(2)\Wind%20RoseSi ...
11/4/2002