NDBC has recently revised the NDBC Handbook of Automated Data Quality Control Checks and Procedures. The new document can be found on our Publications page.
Station CLSM4 - St. Clair Shores, MI 
Previous observations
TIME (EDT) |
 WDIR |
 WSPD kts |
 GST kts |
 WVHT ft |
 DPD sec |
 APD sec |
 MWD |
 PRES in |
 PTDY in |
 ATMP °F |
 WTMP °F |
 DEWP °F |
 SAL psu |
 VIS nmi |
 TIDE ft |
2025-03-27 09:50 pm | W | 2.9 | 4.1 | - | - | - | - | 30.17 | - | 49.1 | - | - | - | - | - |
2025-03-27 09:40 pm | W | 2.9 | 4.1 | - | - | - | - | 30.17 | - | 49.6 | - | - | - | - | - |
2025-03-27 09:30 pm | W | 2.9 | 6.0 | - | - | - | - | 30.16 | - | 49.8 | - | - | - | - | - |
2025-03-27 09:20 pm | W | 4.1 | 6.0 | - | - | - | - | 30.16 | - | 50.0 | - | - | - | - | - |
2025-03-27 09:10 pm | W | 4.1 | 6.0 | - | - | - | - | 30.16 | - | 50.5 | - | - | - | - | - |
2025-03-27 09:00 pm | W | 4.1 | 7.0 | - | - | - | - | 30.15 | +0.01 | 50.9 | - | - | - | - | - |
2025-03-27 08:50 pm | W | 5.1 | 8.0 | - | - | - | - | 30.15 | - | 51.4 | - | - | - | - | - |
2025-03-27 08:40 pm | W | 6.0 | 9.9 | - | - | - | - | 30.15 | - | 51.6 | - | - | - | - | - |
2025-03-27 08:30 pm | W | 6.0 | 11.1 | - | - | - | - | 30.15 | - | 52.0 | - | - | - | - | - |
2025-03-27 08:20 pm | W | 7.0 | 11.1 | - | - | - | - | 30.15 | - | 52.0 | - | - | - | - | - |
2025-03-27 08:10 pm | W | 8.9 | 12.0 | - | - | - | - | 30.15 | - | 52.3 | - | - | - | - | - |
2025-03-27 08:00 pm | W | 8.0 | 13.0 | - | - | - | - | 30.15 | +0.01 | 52.3 | - | - | - | - | - |
2025-03-27 07:50 pm | W | 8.0 | 14.0 | - | - | - | - | 30.15 | - | 52.5 | - | - | - | - | - |
2025-03-27 07:40 pm | W | 9.9 | 14.0 | - | - | - | - | 30.15 | - | 52.7 | - | - | - | - | - |
2025-03-27 07:30 pm | W | 9.9 | 14.0 | - | - | - | - | 30.15 | - | 52.7 | - | - | - | - | - |
2025-03-27 07:20 pm | W | 8.0 | 14.0 | - | - | - | - | 30.15 | - | 52.9 | - | - | - | - | - |
2025-03-27 07:10 pm | W | 8.9 | 15.9 | - | - | - | - | 30.15 | - | 53.1 | - | - | - | - | - |
2025-03-27 07:00 pm | W | 9.9 | 14.0 | - | - | - | - | 30.15 | +0.00 | 52.9 | - | - | - | - | - |
2025-03-27 06:50 pm | W | 11.1 | 15.9 | - | - | - | - | 30.15 | - | 52.9 | - | - | - | - | - |
2025-03-27 06:40 pm | W | 11.1 | 20.0 | - | - | - | - | 30.15 | - | 53.1 | - | - | - | - | - |
2025-03-27 06:30 pm | W | 15.9 | 22.9 | - | - | - | - | 30.15 | - | 53.1 | - | - | - | - | - |
2025-03-27 06:20 pm | WSW | 15.9 | 21.0 | - | - | - | - | 30.15 | - | 53.2 | - | - | - | - | - |
2025-03-27 06:10 pm | W | 12.0 | 19.0 | - | - | - | - | 30.14 | - | 53.4 | - | - | - | - | - |
2025-03-27 06:00 pm | W | 14.0 | 18.1 | - | - | - | - | 30.14 | -0.02 | 53.4 | - | - | - | - | - |
2025-03-27 05:50 pm | W | 12.0 | 20.0 | - | - | - | - | 30.14 | - | 53.2 | - | - | - | - | - |
2025-03-27 05:40 pm | W | 18.1 | 24.1 | - | - | - | - | 30.14 | - | 53.2 | - | - | - | - | - |
2025-03-27 05:30 pm | W | 13.0 | 24.1 | - | - | - | - | 30.14 | - | 53.1 | - | - | - | - | - |
2025-03-27 05:20 pm | WSW | 15.0 | 22.0 | - | - | - | - | 30.14 | - | 53.1 | - | - | - | - | - |
2025-03-27 05:10 pm | WSW | 17.1 | 24.1 | - | - | - | - | 30.14 | - | 53.4 | - | - | - | - | - |
2025-03-27 05:00 pm | WSW | 15.9 | 22.9 | - | - | - | - | 30.14 | -0.05 | 53.8 | - | - | - | - | - |
2025-03-27 04:50 pm | WSW | 17.1 | 22.9 | - | - | - | - | 30.13 | - | 53.8 | - | - | - | - | - |
2025-03-27 04:40 pm | W | 12.0 | - | - | - | - | - | 30.14 | - | 53.6 | - | - | - | - | - |
2025-03-27 04:30 pm | W | 18.1 | 28.9 | - | - | - | - | 30.14 | - | 53.6 | - | - | - | - | - |
2025-03-27 04:20 pm | W | 14.0 | 24.1 | - | - | - | - | 30.15 | - | 54.1 | - | - | - | - | - |
2025-03-27 04:10 pm | WSW | 15.0 | 24.1 | - | - | - | - | 30.14 | - | 53.8 | - | - | - | - | - |
2025-03-27 04:00 pm | WSW | 18.1 | 25.1 | - | - | - | - | 30.15 | -0.07 | 54.0 | - | - | - | - | - |
2025-03-27 03:50 pm | WSW | 17.1 | 25.1 | - | - | - | - | 30.15 | - | 54.7 | - | - | - | - | - |
2025-03-27 03:40 pm | WSW | 13.0 | 27.0 | - | - | - | - | 30.15 | - | 54.0 | - | - | - | - | - |
2025-03-27 03:30 pm | WSW | 17.1 | 27.0 | - | - | - | - | 30.16 | - | 54.1 | - | - | - | - | - |
2025-03-27 03:26 pm | WSW | 18.1 | 27.0 | - | - | - | - | 30.15 | - | 54.3 | - | - | - | - | - |
2025-03-27 03:20 pm | WSW | 14.0 | 20.0 | - | - | - | - | 30.15 | - | 54.5 | - | - | - | - | - |
2025-03-27 03:10 pm | SSW | 11.1 | 15.9 | - | - | - | - | 30.15 | - | 54.0 | - | - | - | - | - |
2025-03-27 03:00 pm | SSW | 8.9 | 15.0 | - | - | - | - | 30.16 | -0.07 | 53.6 | - | - | - | - | - |
2025-03-27 02:50 pm | S | 9.9 | 18.1 | - | - | - | - | 30.16 | - | 53.6 | - | - | - | - | - |
2025-03-27 02:40 pm | S | 11.1 | 18.1 | - | - | - | - | 30.17 | - | 53.8 | - | - | - | - | - |
2025-03-27 02:30 pm | SSW | 8.9 | 15.0 | - | - | - | - | 30.17 | - | 53.8 | - | - | - | - | - |
2025-03-27 02:20 pm | SW | 8.9 | 15.9 | - | - | - | - | 30.18 | - | 53.2 | - | - | - | - | - |
2025-03-27 02:10 pm | SSW | 14.0 | 19.0 | - | - | - | - | 30.19 | - | 52.9 | - | - | - | - | - |
2025-03-27 02:00 pm | SW | 14.0 | 20.0 | - | - | - | - | 30.19 | -0.06 | 52.3 | - | - | - | - | - |
2025-03-27 01:50 pm | SSW | 11.1 | 15.0 | - | - | - | - | 30.19 | - | 52.7 | - | - | - | - | - |
2025-03-27 01:40 pm | SSW | 11.1 | 15.0 | - | - | - | - | 30.19 | - | 52.7 | - | - | - | - | - |
2025-03-27 01:30 pm | SSW | 11.1 | 15.9 | - | - | - | - | 30.20 | - | 51.6 | - | - | - | - | - |
2025-03-27 01:20 pm | S | 11.1 | 17.1 | - | - | - | - | 30.21 | - | 51.6 | - | - | - | - | - |
2025-03-27 01:10 pm | SSW | 13.0 | 19.0 | - | - | - | - | 30.21 | - | 51.1 | - | - | - | - | - |
2025-03-27 01:00 pm | SW | 9.9 | 17.1 | - | - | - | - | 30.22 | -0.04 | 50.4 | - | - | - | - | - |
2025-03-27 12:50 pm | SSW | 12.0 | 18.1 | - | - | - | - | 30.22 | - | 50.2 | - | - | - | - | - |
2025-03-27 12:40 pm | SW | 8.9 | 15.9 | - | - | - | - | 30.23 | - | 49.8 | - | - | - | - | - |
2025-03-27 12:30 pm | SSW | 8.9 | 15.9 | - | - | - | - | 30.23 | - | 49.6 | - | - | - | - | - |
2025-03-27 12:20 pm | SSW | 8.9 | 15.0 | - | - | - | - | 30.23 | - | 49.6 | - | - | - | - | - |
2025-03-27 12:10 pm | SW | 11.1 | 15.9 | - | - | - | - | 30.23 | - | 49.3 | - | - | - | - | - |
2025-03-27 12:00 pm | SSW | 6.0 | 12.0 | - | - | - | - | 30.23 | -0.04 | 48.7 | - | - | - | - | - |
2025-03-27 11:50 am | S | 8.9 | 13.0 | - | - | - | - | 30.24 | - | 48.7 | - | - | - | - | - |
2025-03-27 11:40 am | S | 8.0 | 13.0 | - | - | - | - | 30.25 | - | 47.7 | - | - | - | - | - |
2025-03-27 11:30 am | SSW | 11.1 | 15.9 | - | - | - | - | 30.25 | - | 47.1 | - | - | - | - | - |
2025-03-27 11:20 am | SSW | 8.9 | 15.0 | - | - | - | - | 30.25 | - | 47.1 | - | - | - | - | - |
2025-03-27 11:10 am | SSW | 5.1 | 12.0 | - | - | - | - | 30.25 | - | 46.6 | - | - | - | - | - |
2025-03-27 11:00 am | SW | 7.0 | 11.1 | - | - | - | - | 30.25 | -0.01 | 46.2 | - | - | - | - | - |
2025-03-27 10:50 am | SSW | 6.0 | 9.9 | - | - | - | - | 30.25 | - | 45.9 | - | - | - | - | - |
2025-03-27 10:40 am | SSW | 8.0 | 12.0 | - | - | - | - | 30.26 | - | 44.8 | - | - | - | - | - |
2025-03-27 10:30 am | SSW | 8.0 | 12.0 | - | - | - | - | 30.26 | - | 44.1 | - | - | - | - | - |
2025-03-27 10:20 am | SSW | 8.9 | 11.1 | - | - | - | - | 30.26 | - | 44.1 | - | - | - | - | - |
2025-03-27 10:10 am | SSW | 7.0 | 11.1 | - | - | - | - | 30.27 | - | 43.2 | - | - | - | - | - |
2025-03-27 10:00 am | SSW | 6.0 | 8.9 | - | - | - | - | 30.26 | +0.02 | 42.6 | - | - | - | - | - |
2025-03-27 09:50 am | SSW | 7.0 | 8.0 | - | - | - | - | 30.26 | - | 41.5 | - | - | - | - | - |
2025-03-27 09:40 am | SW | 4.1 | 6.0 | - | - | - | - | 30.26 | - | 41.7 | - | - | - | - | - |
2025-03-27 09:30 am | SSW | 5.1 | 7.0 | - | - | - | - | 30.26 | - | 39.9 | - | - | - | - | - |
2025-03-27 09:20 am | SSW | 5.1 | 6.0 | - | - | - | - | 30.26 | - | 39.4 | - | - | - | - | - |
2025-03-27 09:10 am | SSW | 4.1 | 6.0 | - | - | - | - | 30.26 | - | 38.3 | - | - | - | - | - |
2025-03-27 09:00 am | SW | 4.1 | 5.1 | - | - | - | - | 30.27 | +0.03 | 37.0 | - | - | - | - | - |
2025-03-27 08:50 am | SW | 5.1 | 6.0 | - | - | - | - | 30.26 | - | 35.8 | - | - | - | - | - |
2025-03-27 08:40 am | SW | 5.1 | 6.0 | - | - | - | - | 30.27 | - | 35.2 | - | - | - | - | - |
2025-03-27 08:30 am | SW | 5.1 | 6.0 | - | - | - | - | 30.26 | - | 34.3 | - | - | - | - | - |
2025-03-27 08:20 am | SW | 5.1 | 6.0 | - | - | - | - | 30.26 | - | 34.0 | - | - | - | - | - |
2025-03-27 08:10 am | SW | 4.1 | 6.0 | - | - | - | - | 30.26 | - | 33.4 | - | - | - | - | - |
2025-03-27 08:00 am | SW | 5.1 | 6.0 | - | - | - | - | 30.26 | +0.02 | 32.7 | - | - | - | - | - |
2025-03-27 07:50 am | SW | 4.1 | 6.0 | - | - | - | - | 30.26 | - | 32.2 | - | - | - | - | - |
2025-03-27 07:40 am | SW | 5.1 | 6.0 | - | - | - | - | 30.26 | - | 31.8 | - | - | - | - | - |
2025-03-27 07:30 am | SW | 4.1 | 6.0 | - | - | - | - | 30.26 | - | 31.6 | - | - | - | - | - |
2025-03-27 07:20 am | SW | 5.1 | 5.1 | - | - | - | - | 30.25 | - | 31.5 | - | - | - | - | - |
2025-03-27 07:10 am | SW | 5.1 | 6.0 | - | - | - | - | 30.25 | - | 31.6 | - | - | - | - | - |
2025-03-27 07:00 am | SW | 4.1 | 6.0 | - | - | - | - | 30.24 | -0.01 | 31.8 | - | - | - | - | - |
2025-03-27 06:50 am | SW | 5.1 | 6.0 | - | - | - | - | 30.24 | - | 31.6 | - | - | - | - | - |
2025-03-27 06:40 am | SW | 4.1 | 6.0 | - | - | - | - | 30.24 | - | 31.5 | - | - | - | - | - |
2025-03-27 06:30 am | SW | 5.1 | 6.0 | - | - | - | - | 30.24 | - | 31.5 | - | - | - | - | - |
2025-03-27 06:20 am | SW | 4.1 | 6.0 | - | - | - | - | 30.24 | - | 31.3 | - | - | - | - | - |
2025-03-27 06:10 am | SW | 4.1 | 5.1 | - | - | - | - | 30.24 | - | 31.1 | - | - | - | - | - |
2025-03-27 06:00 am | SW | 4.1 | 5.1 | - | - | - | - | 30.24 | -0.01 | 31.3 | - | - | - | - | - |
2025-03-27 05:50 am | SW | 4.1 | 5.1 | - | - | - | - | 30.24 | - | 31.1 | - | - | - | - | - |
2025-03-27 05:40 am | WSW | 4.1 | 5.1 | - | - | - | - | 30.24 | - | 31.1 | - | - | - | - | - |
2025-03-27 05:30 am | SW | 2.9 | 5.1 | - | - | - | - | 30.24 | - | 31.3 | - | - | - | - | - |
2025-03-27 05:20 am | SW | 4.1 | 5.1 | - | - | - | - | 30.24 | - | 31.3 | - | - | - | - | - |
2025-03-27 05:10 am | WSW | 4.1 | 5.1 | - | - | - | - | 30.24 | - | 31.5 | - | - | - | - | - |
2025-03-27 05:00 am | SW | 4.1 | 5.1 | - | - | - | - | 30.24 | -0.02 | 31.6 | - | - | - | - | - |
2025-03-27 04:50 am | SW | 4.1 | 4.1 | - | - | - | - | 30.24 | - | 31.5 | - | - | - | - | - |
2025-03-27 04:40 am | SW | 2.9 | 4.1 | - | - | - | - | 30.24 | - | 31.6 | - | - | - | - | - |
2025-03-27 04:30 am | WSW | 4.1 | 5.1 | - | - | - | - | 30.25 | - | 31.8 | - | - | - | - | - |
2025-03-27 04:20 am | SW | 2.9 | 4.1 | - | - | - | - | 30.25 | - | 31.8 | - | - | - | - | - |
2025-03-27 04:10 am | SW | 2.9 | 4.1 | - | - | - | - | 30.25 | - | 31.6 | - | - | - | - | - |
2025-03-27 04:00 am | SW | 2.9 | 4.1 | - | - | - | - | 30.25 | -0.01 | 31.5 | - | - | - | - | - |
2025-03-27 03:50 am | WSW | 2.9 | 4.1 | - | - | - | - | 30.25 | - | 31.6 | - | - | - | - | - |
2025-03-27 03:40 am | WSW | 1.9 | 2.9 | - | - | - | - | 30.25 | - | 32.0 | - | - | - | - | - |
2025-03-27 03:30 am | SW | 1.9 | 4.1 | - | - | - | - | 30.25 | - | 32.4 | - | - | - | - | - |
2025-03-27 03:20 am | SW | 1.9 | 2.9 | - | - | - | - | 30.25 | - | 32.4 | - | - | - | - | - |
2025-03-27 03:10 am | SW | 1.9 | 2.9 | - | - | - | - | 30.25 | - | 32.5 | - | - | - | - | - |
2025-03-27 03:00 am | SW | 1.9 | 2.9 | - | - | - | - | 30.25 | +0.00 | 32.7 | - | - | - | - | - |
2025-03-27 02:50 am | SW | 2.9 | 4.1 | - | - | - | - | 30.25 | - | 32.9 | - | - | - | - | - |
2025-03-27 02:40 am | SW | 2.9 | 4.1 | - | - | - | - | 30.26 | - | 32.9 | - | - | - | - | - |
2025-03-27 02:30 am | SW | 1.9 | 4.1 | - | - | - | - | 30.26 | - | 33.1 | - | - | - | - | - |
2025-03-27 02:20 am | SW | 2.9 | 4.1 | - | - | - | - | 30.26 | - | 32.9 | - | - | - | - | - |
2025-03-27 02:10 am | SW | 4.1 | 4.1 | - | - | - | - | 30.26 | - | 32.9 | - | - | - | - | - |
2025-03-27 02:00 am | WSW | 2.9 | 5.1 | - | - | - | - | 30.26 | +0.01 | 32.9 | - | - | - | - | - |
2025-03-27 01:50 am | SW | 2.9 | 4.1 | - | - | - | - | 30.26 | - | 32.9 | - | - | - | - | - |
2025-03-27 01:40 am | SW | 4.1 | 6.0 | - | - | - | - | 30.26 | - | 33.1 | - | - | - | - | - |
2025-03-27 01:30 am | SW | 4.1 | 6.0 | - | - | - | - | 30.26 | - | 32.9 | - | - | - | - | - |
2025-03-27 01:20 am | SW | 5.1 | 6.0 | - | - | - | - | 30.26 | - | 32.9 | - | - | - | - | - |
2025-03-27 01:10 am | SSW | 4.1 | 6.0 | - | - | - | - | 30.26 | - | 32.9 | - | - | - | - | - |
2025-03-27 01:00 am | SW | 2.9 | 6.0 | - | - | - | - | 30.26 | +0.01 | 32.9 | - | - | - | - | - |
2025-03-27 12:50 am | SW | 4.1 | 6.0 | - | - | - | - | 30.26 | - | 33.1 | - | - | - | - | - |
2025-03-27 12:40 am | SW | 5.1 | 7.0 | - | - | - | - | 30.26 | - | 33.1 | - | - | - | - | - |
2025-03-27 12:30 am | SW | 4.1 | 6.0 | - | - | - | - | 30.26 | - | 32.9 | - | - | - | - | - |
2025-03-27 12:20 am | SSW | 5.1 | 7.0 | - | - | - | - | 30.26 | - | 33.1 | - | - | - | - | - |
2025-03-27 12:10 am | SSW | 4.1 | 7.0 | - | - | - | - | 30.26 | - | 33.3 | - | - | - | - | - |
2025-03-27 12:00 am | SSW | 5.1 | 8.0 | - | - | - | - | 30.25 | +0.00 | 33.4 | - | - | - | - | - |
2025-03-26 11:50 pm | SSW | 5.1 | 7.0 | - | - | - | - | 30.25 | - | 33.6 | - | - | - | - | - |
2025-03-26 11:40 pm | S | 5.1 | 7.0 | - | - | - | - | 30.25 | - | 33.4 | - | - | - | - | - |
2025-03-26 11:30 pm | S | 5.1 | 7.0 | - | - | - | - | 30.25 | - | 33.4 | - | - | - | - | - |
2025-03-26 11:20 pm | S | 4.1 | 5.1 | - | - | - | - | 30.25 | - | 33.6 | - | - | - | - | - |
2025-03-26 11:10 pm | S | 4.1 | 7.0 | - | - | - | - | 30.25 | - | 33.8 | - | - | - | - | - |
2025-03-26 11:00 pm | S | 5.1 | 8.0 | - | - | - | - | 30.25 | +0.00 | 34.0 | - | - | - | - | - |
2025-03-26 10:50 pm | S | 6.0 | 8.9 | - | - | - | - | 30.25 | - | 34.2 | - | - | - | - | - |
2025-03-26 10:40 pm | S | 6.0 | 8.9 | - | - | - | - | 30.25 | - | 34.3 | - | - | - | - | - |
2025-03-26 10:30 pm | S | 7.0 | 9.9 | - | - | - | - | 30.25 | - | 34.7 | - | - | - | - | - |
2025-03-26 10:20 pm | S | 6.0 | 8.0 | - | - | - | - | 30.25 | - | 34.9 | - | - | - | - | - |
2025-03-26 10:10 pm | S | 4.1 | 11.1 | - | - | - | - | 30.25 | - | 35.2 | - | - | - | - | - |
2025-03-26 10:00 pm | S | 7.0 | 9.9 | - | - | - | - | 30.25 | +0.01 | 35.6 | - | - | - | - | - |
2025-03-26 09:50 pm | S | 5.1 | 9.9 | - | - | - | - | 30.25 | - | 36.0 | - | - | - | - | - |