Station OKSI2 - Search and Rescue Data

Oak St., Chicago, IL
41.912 N 87.624 W (41°54'44" N 87°37'25" W)


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.)
Air Temp.
Obs
Water Temp.
(Degrees F.)
Water Temp.
Obs
2024-07-18 0600Z41115-0705-0
2024-07-18 0000Z4396-0726-0
2024-07-17 1800Z2876-0756-0
2024-07-17 1200Z1936-0746-0
2024-07-17 0600Z5626-0746-0
2024-07-17 0000Z1336-0776-0
2024-07-16 1800Z32226-0846-0
2024-07-16 1200Z28736-0756-0
2024-07-16 0600Z26326-0716-0
2024-07-16 0000Z1936-0866-0
2024-07-15 1800Z11056-0826-0
2024-07-15 1200Z26626-0756-0
2024-07-15 0600Z33016-0726-0
2024-07-15 0000Z9816-0856-0
2024-07-14 1800Z28836-0856-0
2024-07-14 1200Z30416-0736-0
2024-07-14 0600Z29216-0726-0
2024-07-14 0000Z9516-0856-0
2024-07-13 1800Z10756-0846-0
2024-07-13 1200Z11126-0776-0
2024-07-13 0600Z11126-0746-0
2024-07-13 0000Z10526-0746-0
2024-07-12 1800Z6336-0746-0
2024-07-12 1200Z2536-0726-0
2024-07-12 0600Z3216-0706-0
2024-07-12 0000Z2746-0716-0
2024-07-11 1800Z3756-0726-0
2024-07-11 1200Z4336-0716-0
2024-07-11 0600Z35316-0716-0
2024-07-11 0000Z8526-0726-0
2024-07-10 1800Z2756-0736-0
2024-07-10 1200Z30326-0686-0
2024-07-10 0600Z1656-0696-0
2024-07-10 0000Z6826-0726-0
2024-07-09 1800Z9636-0756-0
2024-07-09 1200Z9816-0766-0
2024-07-09 0600Z316-0786-0
2024-07-09 0000Z6716-0806-0
2024-07-08 1800Z10716-0846-0
2024-07-08 1200Z29216-0756-0
2024-07-08 0600Z11536-0746-0
2024-07-08 0000Z7936-0716-0
2024-07-07 1800Z3926-0806-0
2024-07-07 1200Z10926-0756-0
2024-07-07 0600Z8816-0746-0
2024-07-07 0000Z10936-0746-0
2024-07-06 1800Z10046-0716-0
2024-07-06 1200Z2536-0696-0
2024-07-06 0600Z35226-0706-0
2024-07-06 0000Z31816-0776-0
2024-07-05 1800Z31036-0826-0
2024-07-05 1200Z30316-0776-0
2024-07-05 0600Z24716-0766-0
2024-07-05 0000Z11736-0776-0
2024-07-04 1800Z10536-0776-0
2024-07-04 1200Z4306-0776-0
2024-07-04 0600Z29316-0806-0
2024-07-04 0000Z10836-0796-0
2024-07-03 1800Z11746-0776-0
2024-07-03 1200Z28116-0776-0
2024-07-03 0600Z28916-0806-0
2024-07-03 0000Z9826-0826-0
2024-07-02 1800Z11145-0745-0
2024-07-02 0600Z9614-0704-0
2024-07-02 0000Z9646-0686-0
2024-07-01 1800Z9146-0656-0
2024-07-01 1200Z9556-0646-0
2024-07-01 0600Z6586-0656-0
2024-07-01 0000Z4185-0645-0
2024-06-30 1800Z2186-0636-0
2024-06-30 1200Z15106-0636-0
2024-06-30 0600Z166-0726-0
2024-06-30 0000Z31316-0856-0
2024-06-29 1800Z25826-0876-0
2024-06-29 1200Z29116-0796-0
2024-06-29 0600Z14226-0746-0
2024-06-29 0000Z10836-0736-0
2024-06-28 1800Z7916-0736-0
2024-06-28 1200Z11246-0706-0
2024-06-28 0600Z11146-0676-0
2024-06-28 0000Z6846-0646-0
2024-06-27 1800Z4966-0656-0
2024-06-27 1200Z3496-0656-0
2024-06-27 0600Z27106-0666-0
2024-06-27 0000Z2536-0746-0
2024-06-26 1800Z1426-0826-0
2024-06-26 1200Z29426-0776-0
2024-06-26 0600Z31226-0786-0
2024-06-26 0000Z28136-0846-0
2024-06-25 1800Z27356-0826-0
2024-06-25 1200Z31416-0776-0
2024-06-25 0600Z28436-0796-0
2024-06-25 0000Z10736-0776-0
2024-06-24 1800Z10446-0726-0
2024-06-24 1200Z4826-0746-0
2024-06-24 0600Z28916-0736-0
2024-06-24 0000Z2626-0706-0
2024-06-23 1800Z2236-0726-0
2024-06-23 1200Z33436-0756-0
2024-06-23 0600Z32016-0736-0
2024-06-23 0000Z2716-0896-0
2024-06-22 1800Z30726-0916-0
2024-06-22 1200Z33206-0806-0
2024-06-22 0600Z1426-0666-0
2024-06-22 0000Z10636-0836-0
2024-06-21 1800Z10556-0756-0
2024-06-21 1200Z3526-0686-0
2024-06-21 0600Z2926-0656-0
2024-06-21 0000Z1346-0646-0
2024-06-20 1800Z1656-0656-0
2024-06-20 1200Z556-0676-0
2024-06-20 0600Z5916-0736-0
2024-06-20 0000Z10616-0876-0
2024-06-19 1800Z3816-0916-0
2024-06-19 1200Z31906-0826-0
2024-06-19 0600Z33916-0826-0
2024-06-19 0000Z5616-0886-0
2024-06-18 1800Z10726-0886-0
2024-06-18 1200Z7416-0806-0
2024-06-18 0600Z6716-0846-0
2024-06-18 0000Z12236-0906-0
2024-06-17 1800Z12716-0936-0
2024-06-17 1200Z416-0856-0
2024-06-17 0600Z4306-0826-0
2024-06-17 0000Z28116-0856-0
2024-06-16 1800Z7936-0896-0
2024-06-16 1200Z9026-0766-0
2024-06-16 0600Z11856-0736-0
2024-06-16 0000Z10736-0786-0
2024-06-15 1800Z9846-0736-0
2024-06-15 1200Z10746-0686-0
2024-06-15 0600Z2116-0646-0
2024-06-15 0000Z1556-0656-0
2024-06-14 1800Z2746-0676-0
2024-06-14 1200Z3426-0716-0
2024-06-14 0600Z31516-0756-0
2024-06-14 0000Z11216-0806-0
2024-06-13 1800Z31826-0886-0
2024-06-13 1200Z27026-0786-0
2024-06-13 0600Z27026-0816-0
2024-06-13 0000Z8906-0826-0
2024-06-12 1800Z9846-0816-0
2024-06-12 1200Z26846-0746-0
2024-06-12 0600Z27316-0736-0
2024-06-12 0000Z10736-0716-0
2024-06-11 1800Z11566-0656-0
2024-06-11 1200Z4216-0606-0
2024-06-11 0600Z716-0586-0
2024-06-11 0000Z3546-0596-0
2024-06-10 1800Z2276-0596-0
2024-06-10 1200Z1786-0566-0
2024-06-10 0600Z2496-0576-0
2024-06-10 0000Z1665-0685-0
2024-06-09 1800Z34656-0796-0
2024-06-09 1200Z28636-0656-0
2024-06-09 0600Z26746-0596-0
2024-06-09 0000Z3476-0596-0
2024-06-08 1800Z3116-0736-0
2024-06-08 1200Z9606-0706-0
2024-06-08 0600Z26306-0696-0
2024-06-08 0000Z7726-0696-0
2024-06-07 1800Z34546-0786-0
2024-06-07 1200Z31426-0696-0
2024-06-07 0600Z32936-0686-0
2024-06-07 0000Z35146-0756-0
2024-06-06 1800Z33636-0786-0
2024-06-06 1200Z34226-0726-0
2024-06-06 0600Z28016-0746-0
2024-06-06 0000Z34326-0786-0
2024-06-05 1800Z30526-0786-0
2024-06-05 1200Z26626-0736-0
2024-06-05 0600Z5516-0726-0
2024-06-05 0000Z11146-0746-0
2024-06-04 1800Z10356-0756-0
2024-06-04 1200Z11636-0766-0
2024-06-04 0600Z31306-0786-0
2024-06-04 0000Z10536-0796-0
2024-06-03 1800Z11776-0776-0
2024-06-03 1200Z11856-0696-0
2024-06-03 0600Z11426-0656-0
2024-06-03 0000Z12323-0663-0

The six-hour averages are calculated as follows:

  • The 0000Z average uses data from 2100Z to 0259Z.
  • The 0600Z average uses data from 0300Z to 0859Z.
  • The 1200Z average uses data from 0900Z to 1459Z.
  • The 1800Z average uses data from 1500Z to 2059Z.

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