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 m/s |
 GST m/s |
 WVHT m |
 DPD sec |
 APD sec |
 MWD |
 PRES mb |
 PTDY mb |
 ATMP °C |
 WTMP °C |
 DEWP °C |
 SAL psu |
 VIS km |
 TIDE m |
2025-04-26 03:50 am | NW | 3.6 | 9.3 | - | - | - | - | 1013.5 | - | 8.9 | - | - | - | - | - |
2025-04-26 03:40 am | NNW | 5.1 | 9.8 | - | - | - | - | 1013.5 | - | 8.9 | - | - | - | - | - |
2025-04-26 03:30 am | NNW | 4.6 | 9.3 | - | - | - | - | 1013.2 | - | 9.1 | - | - | - | - | - |
2025-04-26 03:20 am | NNW | 6.2 | 10.8 | - | - | - | - | 1013.2 | - | 9.1 | - | - | - | - | - |
2025-04-26 03:10 am | NNW | 7.7 | 11.8 | - | - | - | - | 1012.9 | - | 8.9 | - | - | - | - | - |
2025-04-26 03:00 am | NNW | 7.2 | 10.8 | - | - | - | - | 1012.9 | +1.7 | 9.2 | - | - | - | - | - |
2025-04-26 02:50 am | NNW | 5.1 | 8.2 | - | - | - | - | 1012.9 | - | 9.1 | - | - | - | - | - |
2025-04-26 02:40 am | NNW | 5.1 | 8.2 | - | - | - | - | 1012.9 | - | 9.2 | - | - | - | - | - |
2025-04-26 02:30 am | NNW | 4.1 | 8.2 | - | - | - | - | 1012.5 | - | 9.2 | - | - | - | - | - |
2025-04-26 02:20 am | NNW | 5.7 | 9.3 | - | - | - | - | 1012.9 | - | 9.5 | - | - | - | - | - |
2025-04-26 02:10 am | NNW | 7.2 | 10.3 | - | - | - | - | 1012.9 | - | 9.6 | - | - | - | - | - |
2025-04-26 02:00 am | NNW | 6.2 | 9.3 | - | - | - | - | 1012.9 | +1.7 | 9.8 | - | - | - | - | - |
2025-04-26 01:50 am | NNW | 5.7 | 11.3 | - | - | - | - | 1012.9 | - | 10.0 | - | - | - | - | - |
2025-04-26 01:40 am | NNW | 5.7 | 11.3 | - | - | - | - | 1012.5 | - | 10.0 | - | - | - | - | - |
2025-04-26 01:30 am | NNW | 5.7 | 9.8 | - | - | - | - | 1012.5 | - | 10.1 | - | - | - | - | - |
2025-04-26 01:20 am | N | 7.7 | 10.3 | - | - | - | - | 1012.2 | - | 11.1 | - | - | - | - | - |
2025-04-26 01:10 am | N | 7.7 | 10.3 | - | - | - | - | 1011.9 | - | 11.2 | - | - | - | - | - |
2025-04-26 01:00 am | NNW | 7.2 | 10.3 | - | - | - | - | 1011.9 | -0.3 | 11.4 | - | - | - | - | - |
2025-04-26 12:50 am | NNW | 8.8 | 11.3 | - | - | - | - | 1011.9 | - | 11.9 | - | - | - | - | - |
2025-04-26 12:40 am | NNW | 6.7 | 8.8 | - | - | - | - | 1011.5 | - | 13.8 | - | - | - | - | - |
2025-04-26 12:30 am | - | 0.0 | 2.1 | - | - | - | - | 1011.2 | - | 14.4 | - | - | - | - | - |
2025-04-26 12:20 am | NNE | 2.1 | 2.1 | - | - | - | - | 1011.2 | - | 14.2 | - | - | - | - | - |
2025-04-26 12:10 am | NE | 2.1 | 2.1 | - | - | - | - | 1011.2 | - | 13.9 | - | - | - | - | - |
2025-04-26 12:00 am | NE | 1.5 | 2.6 | - | - | - | - | 1011.2 | -1.0 | 13.7 | - | - | - | - | - |
2025-04-25 11:50 pm | ENE | 2.1 | 3.1 | - | - | - | - | 1011.2 | - | 13.7 | - | - | - | - | - |
2025-04-25 11:40 pm | ENE | 3.1 | 3.6 | - | - | - | - | 1011.2 | - | 13.9 | - | - | - | - | - |
2025-04-25 11:30 pm | NE | 1.5 | 3.1 | - | - | - | - | 1011.2 | - | 15.2 | - | - | - | - | - |
2025-04-25 11:20 pm | - | 0.0 | 1.5 | - | - | - | - | 1011.2 | - | 15.3 | - | - | - | - | - |
2025-04-25 11:10 pm | - | 0.0 | 1.0 | - | - | - | - | 1011.2 | - | 15.3 | - | - | - | - | - |
2025-04-25 11:00 pm | S | 1.0 | 2.1 | - | - | - | - | 1011.2 | -1.3 | 14.9 | - | - | - | - | - |
2025-04-25 10:50 pm | SE | 1.5 | 2.6 | - | - | - | - | 1011.2 | - | 14.9 | - | - | - | - | - |
2025-04-25 10:40 pm | SE | 2.6 | 2.6 | - | - | - | - | 1011.5 | - | 14.9 | - | - | - | - | - |
2025-04-25 10:30 pm | - | 0.0 | 2.1 | - | - | - | - | 1011.5 | - | 14.6 | - | - | - | - | - |
2025-04-25 10:20 pm | SE | 2.1 | 2.6 | - | - | - | - | 1011.9 | - | 14.7 | - | - | - | - | - |
2025-04-25 10:10 pm | SE | 1.5 | 2.6 | - | - | - | - | 1011.9 | - | 15.3 | - | - | - | - | - |
2025-04-25 10:00 pm | - | 0.0 | 0.0 | - | - | - | - | 1012.2 | -0.3 | 16.2 | - | - | - | - | - |
2025-04-25 09:50 pm | - | 0.0 | 0.0 | - | - | - | - | 1012.2 | - | 16.1 | - | - | - | - | - |
2025-04-25 09:40 pm | - | 0.0 | 2.6 | - | - | - | - | 1012.2 | - | 15.7 | - | - | - | - | - |
2025-04-25 09:30 pm | E | 2.6 | 3.1 | - | - | - | - | 1012.2 | - | 15.7 | - | - | - | - | - |
2025-04-25 09:20 pm | E | 2.6 | 3.1 | - | - | - | - | 1012.2 | - | 15.6 | - | - | - | - | - |
2025-04-25 09:10 pm | E | 3.1 | 3.1 | - | - | - | - | 1012.2 | - | 15.3 | - | - | - | - | - |
2025-04-25 09:00 pm | NNE | 1.5 | 2.1 | - | - | - | - | 1012.2 | -0.3 | 17.1 | - | - | - | - | - |
2025-04-25 08:50 pm | N | 2.1 | 2.6 | - | - | - | - | 1012.5 | - | 17.1 | - | - | - | - | - |
2025-04-25 08:40 pm | N | 2.6 | 3.1 | - | - | - | - | 1012.5 | - | 17.1 | - | - | - | - | - |
2025-04-25 08:30 pm | N | 2.6 | 2.6 | - | - | - | - | 1012.5 | - | 17.3 | - | - | - | - | - |
2025-04-25 08:20 pm | - | 0.0 | 0.0 | - | - | - | - | 1012.5 | - | 17.4 | - | - | - | - | - |
2025-04-25 08:10 pm | W | 0.5 | 2.6 | - | - | - | - | 1012.5 | - | 17.4 | - | - | - | - | - |
2025-04-25 08:00 pm | SSW | 1.0 | 4.1 | - | - | - | - | 1012.5 | +0.3 | 17.4 | - | - | - | - | - |
2025-04-25 07:50 pm | SSW | 2.6 | 5.7 | - | - | - | - | 1012.5 | - | 17.5 | - | - | - | - | - |
2025-04-25 07:40 pm | SSW | 4.6 | 6.2 | - | - | - | - | 1012.5 | - | 17.6 | - | - | - | - | - |
2025-04-25 07:30 pm | SSW | 4.6 | 7.2 | - | - | - | - | 1012.5 | - | 17.6 | - | - | - | - | - |
2025-04-25 07:20 pm | SSW | 3.1 | 5.7 | - | - | - | - | 1012.5 | - | 17.5 | - | - | - | - | - |
2025-04-25 07:10 pm | S | 2.6 | 4.6 | - | - | - | - | 1012.5 | - | 17.2 | - | - | - | - | - |
2025-04-25 07:00 pm | SSE | 3.1 | 5.7 | - | - | - | - | 1012.5 | -0.4 | 17.3 | - | - | - | - | - |
2025-04-25 06:50 pm | S | 3.1 | 5.7 | - | - | - | - | 1012.5 | - | 17.6 | - | - | - | - | - |
2025-04-25 06:40 pm | S | 4.6 | 6.7 | - | - | - | - | 1012.2 | - | 17.6 | - | - | - | - | - |
2025-04-25 06:30 pm | S | 3.1 | 7.2 | - | - | - | - | 1012.5 | - | 16.7 | - | - | - | - | - |
2025-04-25 06:20 pm | SSE | 6.2 | 8.8 | - | - | - | - | 1012.2 | - | 16.1 | - | - | - | - | - |
2025-04-25 06:10 pm | SE | 5.7 | 7.7 | - | - | - | - | 1012.2 | - | 15.8 | - | - | - | - | - |
2025-04-25 06:00 pm | SSE | 5.1 | 7.7 | - | - | - | - | 1012.5 | -1.7 | 16.3 | - | - | - | - | - |
2025-04-25 05:50 pm | SSE | 4.6 | 8.8 | - | - | - | - | 1012.5 | - | 16.5 | - | - | - | - | - |
2025-04-25 05:40 pm | SE | 7.7 | 8.8 | - | - | - | - | 1012.2 | - | 16.3 | - | - | - | - | - |
2025-04-25 05:30 pm | SE | 7.2 | 8.8 | - | - | - | - | 1012.2 | - | 16.0 | - | - | - | - | - |
2025-04-25 05:20 pm | ESE | 6.7 | 8.2 | - | - | - | - | 1012.2 | - | 15.7 | - | - | - | - | - |
2025-04-25 05:10 pm | ESE | 7.2 | 8.2 | - | - | - | - | 1012.2 | - | 15.2 | - | - | - | - | - |
2025-04-25 05:00 pm | ESE | 6.7 | 8.2 | - | - | - | - | 1012.2 | -3.0 | 15.3 | - | - | - | - | - |
2025-04-25 04:50 pm | ESE | 5.7 | 6.7 | - | - | - | - | 1012.5 | - | 15.2 | - | - | - | - | - |
2025-04-25 04:40 pm | ESE | 6.2 | 6.7 | - | - | - | - | 1012.5 | - | 15.5 | - | - | - | - | - |
2025-04-25 04:30 pm | ESE | 6.2 | 6.7 | - | - | - | - | 1012.2 | - | 15.6 | - | - | - | - | - |
2025-04-25 04:20 pm | ESE | 6.2 | 6.7 | - | - | - | - | 1012.5 | - | 15.6 | - | - | - | - | - |
2025-04-25 04:10 pm | E | 5.7 | 6.7 | - | - | - | - | 1012.5 | - | 15.3 | - | - | - | - | - |
2025-04-25 04:00 pm | ESE | 5.7 | 6.2 | - | - | - | - | 1012.9 | -3.0 | 15.2 | - | - | - | - | - |
2025-04-25 03:50 pm | ESE | 5.1 | 6.2 | - | - | - | - | 1012.9 | - | 15.4 | - | - | - | - | - |
2025-04-25 03:40 pm | ESE | 5.1 | 6.7 | - | - | - | - | 1013.5 | - | 16.1 | - | - | - | - | - |
2025-04-25 03:30 pm | ESE | 5.1 | 6.2 | - | - | - | - | 1013.5 | - | 15.6 | - | - | - | - | - |
2025-04-25 03:20 pm | ESE | 5.1 | 5.7 | - | - | - | - | 1013.9 | - | 15.4 | - | - | - | - | - |
2025-04-25 03:10 pm | ESE | 4.6 | 5.1 | - | - | - | - | 1013.9 | - | 15.3 | - | - | - | - | - |
2025-04-25 03:00 pm | ESE | 4.1 | 5.1 | - | - | - | - | 1014.2 | -2.4 | 15.6 | - | - | - | - | - |
2025-04-25 02:50 pm | ESE | 4.6 | 5.1 | - | - | - | - | 1014.2 | - | 15.7 | - | - | - | - | - |
2025-04-25 02:40 pm | SE | 3.6 | 4.1 | - | - | - | - | 1014.6 | - | 16.3 | - | - | - | - | - |
2025-04-25 02:30 pm | SE | 2.6 | 3.6 | - | - | - | - | 1014.6 | - | 16.6 | - | - | - | - | - |
2025-04-25 02:20 pm | SE | 3.1 | 4.6 | - | - | - | - | 1014.9 | - | 16.5 | - | - | - | - | - |
2025-04-25 02:10 pm | SE | 3.6 | 4.1 | - | - | - | - | 1014.9 | - | 16.7 | - | - | - | - | - |
2025-04-25 02:00 pm | SE | 3.1 | 3.6 | - | - | - | - | 1015.2 | -1.7 | 16.0 | - | - | - | - | - |
2025-04-25 01:50 pm | SE | 3.1 | 4.1 | - | - | - | - | 1015.2 | - | 15.7 | - | - | - | - | - |
2025-04-25 01:40 pm | ESE | 3.1 | 4.1 | - | - | - | - | 1015.2 | - | 15.8 | - | - | - | - | - |
2025-04-25 01:30 pm | ESE | 3.6 | 4.1 | - | - | - | - | 1015.6 | - | 15.5 | - | - | - | - | - |
2025-04-25 01:20 pm | ESE | 4.1 | 4.6 | - | - | - | - | 1015.9 | - | 15.6 | - | - | - | - | - |
2025-04-25 01:10 pm | SE | 4.1 | 5.1 | - | - | - | - | 1015.9 | - | 16.2 | - | - | - | - | - |
2025-04-25 01:00 pm | SE | 5.1 | 5.1 | - | - | - | - | 1015.9 | -2.0 | 16.8 | - | - | - | - | - |
2025-04-25 12:50 pm | SE | 4.6 | 5.1 | - | - | - | - | 1016.3 | - | 17.3 | - | - | - | - | - |
2025-04-25 12:40 pm | SSE | 5.1 | 6.2 | - | - | - | - | 1016.3 | - | 18.1 | - | - | - | - | - |
2025-04-25 12:30 pm | SSE | 5.1 | 6.2 | - | - | - | - | 1016.3 | - | 17.6 | - | - | - | - | - |
2025-04-25 12:20 pm | SSE | 5.7 | 6.7 | - | - | - | - | 1016.3 | - | 18.1 | - | - | - | - | - |
2025-04-25 12:10 pm | SE | 4.1 | 4.6 | - | - | - | - | 1016.3 | - | 16.1 | - | - | - | - | - |
2025-04-25 12:00 pm | SE | 4.1 | 5.1 | - | - | - | - | 1016.6 | -1.7 | 15.2 | - | - | - | - | - |
2025-04-25 11:50 am | SE | 3.1 | 3.6 | - | - | - | - | 1016.6 | - | 14.8 | - | - | - | - | - |
2025-04-25 11:40 am | ESE | 3.1 | 4.1 | - | - | - | - | 1016.9 | - | 14.5 | - | - | - | - | - |
2025-04-25 11:30 am | ESE | 3.6 | 3.6 | - | - | - | - | 1016.9 | - | 14.6 | - | - | - | - | - |
2025-04-25 11:20 am | SE | 3.1 | 3.6 | - | - | - | - | 1016.9 | - | 14.9 | - | - | - | - | - |
2025-04-25 11:10 am | SE | 3.6 | 4.1 | - | - | - | - | 1016.9 | - | 15.1 | - | - | - | - | - |
2025-04-25 11:00 am | SE | 3.1 | 3.6 | - | - | - | - | 1016.9 | -1.4 | 15.2 | - | - | - | - | - |
2025-04-25 10:50 am | ESE | 1.5 | 2.1 | - | - | - | - | 1017.3 | - | 15.0 | - | - | - | - | - |
2025-04-25 10:40 am | SE | 1.5 | 2.6 | - | - | - | - | 1017.6 | - | 14.3 | - | - | - | - | - |
2025-04-25 10:30 am | SE | 2.6 | 3.6 | - | - | - | - | 1017.3 | - | 14.0 | - | - | - | - | - |
2025-04-25 10:20 am | ESE | 3.1 | 3.6 | - | - | - | - | 1017.6 | - | 14.5 | - | - | - | - | - |
2025-04-25 10:10 am | SE | 2.6 | 3.1 | - | - | - | - | 1017.6 | - | 14.3 | - | - | - | - | - |
2025-04-25 10:00 am | SE | 2.1 | 2.6 | - | - | - | - | 1017.9 | -0.4 | 14.2 | - | - | - | - | - |
2025-04-25 09:50 am | SE | 2.6 | 2.6 | - | - | - | - | 1017.9 | - | 13.7 | - | - | - | - | - |
2025-04-25 09:40 am | ESE | 1.5 | 2.1 | - | - | - | - | 1017.9 | - | 13.6 | - | - | - | - | - |
2025-04-25 09:30 am | ESE | 0.5 | 1.5 | - | - | - | - | 1017.9 | - | 13.7 | - | - | - | - | - |
2025-04-25 09:20 am | SSE | 1.0 | 2.1 | - | - | - | - | 1017.9 | - | 13.6 | - | - | - | - | - |
2025-04-25 09:10 am | - | 0.0 | 0.0 | - | - | - | - | 1017.9 | - | 13.1 | - | - | - | - | - |
2025-04-25 09:00 am | - | 0.0 | 2.1 | - | - | - | - | 1018.3 | +0.0 | 13.1 | - | - | - | - | - |
2025-04-25 08:50 am | SE | 0.5 | 1.5 | - | - | - | - | 1018.3 | - | 12.6 | - | - | - | - | - |
2025-04-25 08:40 am | - | 0.0 | 1.0 | - | - | - | - | 1018.3 | - | 12.3 | - | - | - | - | - |
2025-04-25 08:30 am | - | 0.0 | 1.0 | - | - | - | - | 1018.3 | - | 12.3 | - | - | - | - | - |
2025-04-25 08:20 am | SE | 0.5 | 1.5 | - | - | - | - | 1018.3 | - | 12.1 | - | - | - | - | - |
2025-04-25 08:10 am | E | 1.5 | 2.1 | - | - | - | - | 1018.3 | - | 12.2 | - | - | - | - | - |
2025-04-25 08:00 am | - | 0.0 | 1.5 | - | - | - | - | 1018.3 | +0.0 | 12.3 | - | - | - | - | - |
2025-04-25 07:50 am | - | 0.0 | 1.0 | - | - | - | - | 1018.3 | - | 12.4 | - | - | - | - | - |
2025-04-25 07:40 am | - | 0.0 | 0.0 | - | - | - | - | 1018.3 | - | 12.3 | - | - | - | - | - |
2025-04-25 07:30 am | - | 0.0 | 0.0 | - | - | - | - | 1018.3 | - | 12.1 | - | - | - | - | - |
2025-04-25 07:20 am | - | 0.0 | 0.0 | - | - | - | - | 1018.3 | - | 12.0 | - | - | - | - | - |
2025-04-25 07:10 am | - | 0.0 | 0.0 | - | - | - | - | 1018.3 | - | 11.7 | - | - | - | - | - |
2025-04-25 07:00 am | - | 0.0 | 0.0 | - | - | - | - | 1018.3 | +0.0 | 11.5 | - | - | - | - | - |
2025-04-25 06:50 am | - | 0.0 | 0.0 | - | - | - | - | 1018.3 | - | 11.3 | - | - | - | - | - |
2025-04-25 06:40 am | - | 0.0 | 1.5 | - | - | - | - | 1017.9 | - | 11.1 | - | - | - | - | - |
2025-04-25 06:30 am | E | 0.5 | 1.5 | - | - | - | - | 1018.3 | - | 11.1 | - | - | - | - | - |
2025-04-25 06:20 am | E | 0.5 | 3.1 | - | - | - | - | 1018.3 | - | 11.1 | - | - | - | - | - |
2025-04-25 06:10 am | ENE | 2.6 | 3.1 | - | - | - | - | 1018.3 | - | 11.2 | - | - | - | - | - |
2025-04-25 06:00 am | ENE | 2.6 | 3.1 | - | - | - | - | 1018.3 | -0.3 | 11.3 | - | - | - | - | - |
2025-04-25 05:50 am | NE | 3.1 | 3.6 | - | - | - | - | 1018.3 | - | 11.4 | - | - | - | - | - |
2025-04-25 05:40 am | NE | 3.1 | 3.6 | - | - | - | - | 1018.3 | - | 11.8 | - | - | - | - | - |
2025-04-25 05:30 am | NE | 2.6 | 3.1 | - | - | - | - | 1018.3 | - | 12.0 | - | - | - | - | - |
2025-04-25 05:20 am | NNE | 2.6 | 3.1 | - | - | - | - | 1018.3 | - | 12.0 | - | - | - | - | - |
2025-04-25 05:10 am | NE | 2.6 | 4.1 | - | - | - | - | 1018.3 | - | 12.0 | - | - | - | - | - |
2025-04-25 05:00 am | NE | 3.1 | 3.6 | - | - | - | - | 1018.3 | -1.0 | 12.2 | - | - | - | - | - |
2025-04-25 04:50 am | NE | 3.6 | 3.6 | - | - | - | - | 1018.6 | - | 12.5 | - | - | - | - | - |
2025-04-25 04:40 am | NNE | 2.6 | 3.6 | - | - | - | - | 1018.6 | - | 12.7 | - | - | - | - | - |
2025-04-25 04:30 am | NNE | 3.1 | 3.6 | - | - | - | - | 1018.6 | - | 12.9 | - | - | - | - | - |
2025-04-25 04:20 am | NNE | 2.6 | 3.6 | - | - | - | - | 1018.6 | - | 13.0 | - | - | - | - | - |
2025-04-25 04:10 am | NNE | 2.6 | 4.1 | - | - | - | - | 1018.6 | - | 13.1 | - | - | - | - | - |
2025-04-25 04:00 am | NNE | 4.1 | 4.6 | - | - | - | - | 1018.3 | -1.7 | 13.0 | - | - | - | - | - |
2025-04-25 03:50 am | N | 3.6 | 4.6 | - | - | - | - | 1018.6 | - | 13.1 | - | - | - | - | - |