Station 45174 - Search and Rescue Data

Wilmette Buoy, IL
42.135 N 87.655 W (42°8'6" N 87°39'18" W)

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Average surface winds - six hour block.

Date	UTC	Average Wind Dir (True)	Average Wind Spd (Knots)	Wind Obs	Average Seas (Feet)	Wave Obs	Air Temp. (Degrees F.)	Water Temp. (Degrees F.)	Water Temp. Obs
09-19-2021	1800Z	119	7	21	2	21	-	70	21
09-19-2021	1200Z	135	8	32	2	32	-	70	32
09-19-2021	0600Z	64	3	30	2	30	-	70	30
09-19-2021	0000Z	14	9	34	3	34	-	70	34
09-18-2021	1800Z	27	8	32	4	32	-	70	32
09-18-2021	1200Z	32	13	30	5	30	-	70	30
09-18-2021	0600Z	2	15	32	4	32	-	70	32
09-18-2021	0000Z	240	4	29	1	29	-	71	29
09-17-2021	1800Z	218	7	30	1	30	-	71	30
09-17-2021	1200Z	199	8	33	2	33	-	70	33
09-17-2021	0600Z	166	8	32	1	32	-	70	32
09-17-2021	0000Z	103	9	30	1	30	-	71	30
09-16-2021	1800Z	121	9	30	1	30	-	71	30
09-16-2021	1200Z	135	7	31	1	31	-	70	31
09-16-2021	0600Z	120	7	33	1	33	-	71	33
09-16-2021	0000Z	69	9	33	2	33	-	71	33
09-15-2021	1800Z	16	5	31	1	31	-	71	31
09-15-2021	1200Z	307	9	33	2	33	-	70	33
09-15-2021	0600Z	298	8	33	2	33	-	70	33
09-15-2021	0000Z	300	14	35	2	35	-	70	35

The six-hour averages are calculated as follows: