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 MCYI3 - Michigan City Harbor Entrance Light, Michigan City, IN 
Previous observations
TIME (CDT) |
 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 |
2025-03-31 03:10 am | NNW | 7 | 9 | - | - | - | - | 29.69 | - | 39.4 | - | 39.4 | - | - | - |
2025-03-31 03:00 am | NW | 7 | 9 | - | - | - | - | 29.68 | +0.04 | 39.4 | - | 39.4 | - | - | - |
2025-03-31 02:50 am | NNW | 7 | 8 | - | - | - | - | 29.67 | - | 39.2 | - | 39.2 | - | - | - |
2025-03-31 02:40 am | NNW | 9 | 10 | - | - | - | - | 29.67 | - | 39.4 | - | 39.4 | - | - | - |
2025-03-31 02:30 am | NW | 12 | 13 | - | - | - | - | 29.66 | - | 39.7 | - | 39.7 | - | - | - |
2025-03-31 02:20 am | NW | 15 | 16 | - | - | - | - | 29.65 | - | 40.6 | - | 40.6 | - | - | - |
2025-03-31 02:10 am | WNW | 15 | 17 | - | - | - | - | 29.65 | - | 41.5 | - | 41.5 | - | - | - |
2025-03-31 02:00 am | W | 16 | 18 | - | - | - | - | 29.65 | +0.02 | 41.9 | - | 41.9 | - | - | - |
2025-03-31 01:50 am | W | 15 | 16 | - | - | - | - | 29.65 | - | 42.3 | - | 42.3 | - | - | - |
2025-03-31 01:40 am | W | 16 | 18 | - | - | - | - | 29.65 | - | 42.4 | - | 42.4 | - | - | - |
2025-03-31 01:30 am | W | 20 | 22 | - | - | - | - | 29.64 | - | 43.0 | - | 42.8 | - | - | - |
2025-03-31 01:20 am | W | 23 | 24 | - | - | - | - | 29.63 | - | 43.0 | - | 42.6 | - | - | - |
2025-03-31 01:10 am | W | 21 | 23 | - | - | - | - | 29.63 | - | 42.6 | - | 42.6 | - | - | - |
2025-03-31 01:00 am | W | 21 | 23 | - | - | - | - | 29.63 | +0.04 | 42.8 | - | 42.8 | - | - | - |
2025-03-31 12:50 am | W | 20 | 22 | - | - | - | - | 29.63 | - | 42.8 | - | 42.8 | - | - | - |
2025-03-31 12:40 am | W | 20 | 24 | - | - | - | - | 29.63 | - | 42.8 | - | 42.8 | - | - | - |
2025-03-31 12:30 am | W | 17 | 21 | - | - | - | - | 29.63 | - | 42.8 | - | 42.8 | - | - | - |
2025-03-31 12:20 am | W | 6 | 9 | - | - | - | - | 29.65 | - | 41.0 | - | - | - | - | - |
2025-03-31 12:10 am | WNW | 3 | 5 | - | - | - | - | 29.65 | - | 40.3 | - | - | - | - | - |
2025-03-31 12:00 am | NNE | 2 | 2 | - | - | - | - | 29.64 | +0.06 | 40.1 | - | - | - | - | - |
2025-03-30 11:50 pm | N | 3 | 3 | - | - | - | - | 29.65 | - | 40.5 | - | - | - | - | - |
2025-03-30 11:40 pm | NW | 3 | 4 | - | - | - | - | 29.65 | - | 40.3 | - | - | - | - | - |
2025-03-30 11:30 pm | W | 3 | 4 | - | - | - | - | 29.64 | - | 40.5 | - | - | - | - | - |
2025-03-30 11:20 pm | W | 2 | 3 | - | - | - | - | 29.64 | - | 40.5 | - | - | - | - | - |
2025-03-30 11:10 pm | WSW | 2 | 3 | - | - | - | - | 29.65 | - | 40.5 | - | - | - | - | - |
2025-03-30 11:00 pm | NW | 2 | 3 | - | - | - | - | 29.63 | +0.07 | 40.5 | - | - | - | - | - |
2025-03-30 10:50 pm | N | 2 | 3 | - | - | - | - | 29.62 | - | 40.6 | - | - | - | - | - |
2025-03-30 10:40 pm | NNE | 3 | 4 | - | - | - | - | 29.62 | - | 40.3 | - | - | - | - | - |
2025-03-30 10:30 pm | N | 4 | 5 | - | - | - | - | 29.61 | - | 40.5 | - | - | - | - | - |
2025-03-30 10:20 pm | N | 3 | 3 | - | - | - | - | 29.60 | - | 40.5 | - | - | - | - | - |
2025-03-30 10:10 pm | NNW | 3 | 4 | - | - | - | - | 29.60 | - | 40.6 | - | - | - | - | - |
2025-03-30 10:00 pm | N | 2 | 3 | - | - | - | - | 29.60 | +0.06 | 40.8 | - | - | - | - | - |
2025-03-30 09:50 pm | N | 4 | 5 | - | - | - | - | 29.59 | - | 40.8 | - | - | - | - | - |
2025-03-30 09:40 pm | N | 4 | 5 | - | - | - | - | 29.59 | - | 41.0 | - | - | - | - | - |
2025-03-30 09:30 pm | WNW | 2 | 2 | - | - | - | - | 29.57 | - | 40.5 | - | - | - | - | - |
2025-03-30 09:20 pm | W | 3 | 3 | - | - | - | - | 29.59 | - | 40.5 | - | - | - | - | - |
2025-03-30 09:10 pm | WNW | 3 | 4 | - | - | - | - | 29.59 | - | 40.8 | - | - | - | - | - |
2025-03-30 09:00 pm | WNW | 4 | 5 | - | - | - | - | 29.59 | +0.09 | 41.0 | - | - | - | - | - |
2025-03-30 08:50 pm | W | 3 | 3 | - | - | - | - | 29.59 | - | 41.0 | - | - | - | - | - |
2025-03-30 08:40 pm | W | 4 | 5 | - | - | - | - | 29.60 | - | 41.2 | - | - | - | - | - |
2025-03-30 08:30 pm | SSW | 4 | 5 | - | - | - | - | 29.59 | - | 41.0 | - | - | - | - | - |
2025-03-30 08:20 pm | W | 3 | 4 | - | - | - | - | 29.57 | - | 40.8 | - | - | - | - | - |
2025-03-30 08:10 pm | WSW | 2 | 2 | - | - | - | - | 29.56 | - | 40.6 | - | - | - | - | - |
2025-03-30 08:00 pm | W | 4 | 6 | - | - | - | - | 29.56 | +0.05 | 40.8 | - | - | - | - | - |
2025-03-30 07:50 pm | NW | 3 | 4 | - | - | - | - | 29.56 | - | 40.8 | - | - | - | - | - |
2025-03-30 07:40 pm | WNW | 4 | 6 | - | - | - | - | 29.56 | - | 41.5 | - | - | - | - | - |
2025-03-30 07:30 pm | W | 4 | 5 | - | - | - | - | 29.53 | - | 42.1 | - | - | - | - | - |
2025-03-30 07:20 pm | W | 4 | 6 | - | - | - | - | 29.54 | - | 42.1 | - | - | - | - | - |
2025-03-30 07:10 pm | WNW | 8 | 10 | - | - | - | - | 29.54 | - | 41.9 | - | - | - | - | - |
2025-03-30 07:00 pm | W | 10 | 11 | - | - | - | - | 29.54 | +0.02 | 44.6 | - | - | - | - | - |
2025-03-30 06:50 pm | W | 14 | 15 | - | - | - | - | 29.52 | - | 48.6 | - | - | - | - | - |
2025-03-30 06:40 pm | W | 15 | 17 | - | - | - | - | 29.53 | - | 48.7 | - | - | - | - | - |
2025-03-30 06:30 pm | W | 17 | 19 | - | - | - | - | 29.52 | - | 52.7 | - | - | - | - | - |
2025-03-30 06:20 pm | SW | 19 | 20 | - | - | - | - | 29.49 | - | 60.4 | - | 59.0 | - | - | - |
2025-03-30 06:10 pm | SW | 18 | 24 | - | - | - | - | 29.50 | - | 62.1 | - | 61.9 | - | - | - |
2025-03-30 06:00 pm | SSW | 13 | 16 | - | - | - | - | 29.50 | +0.04 | 62.4 | - | 62.4 | - | - | - |
2025-03-30 05:50 pm | SSW | 13 | 15 | - | - | - | - | 29.50 | - | 61.9 | - | 61.9 | - | - | - |
2025-03-30 05:40 pm | SSW | 16 | 19 | - | - | - | - | 29.51 | - | 61.2 | - | 61.2 | - | - | - |
2025-03-30 05:30 pm | SSW | 17 | 19 | - | - | - | - | 29.50 | - | 61.3 | - | 61.3 | - | - | - |
2025-03-30 05:20 pm | SSW | 14 | 16 | - | - | - | - | 29.51 | - | 60.4 | - | 60.4 | - | - | - |
2025-03-30 05:10 pm | SSW | 19 | 22 | - | - | - | - | 29.50 | - | 60.8 | - | 60.8 | - | - | - |
2025-03-30 05:00 pm | SSW | 15 | 17 | - | - | - | - | 29.51 | +0.01 | 59.9 | - | 59.9 | - | - | - |
2025-03-30 04:50 pm | S | 15 | 17 | - | - | - | - | 29.51 | - | 59.7 | - | 59.7 | - | - | - |
2025-03-30 04:40 pm | S | 14 | 16 | - | - | - | - | 29.51 | - | 59.2 | - | 59.2 | - | - | - |
2025-03-30 04:30 pm | S | 14 | 17 | - | - | - | - | 29.51 | - | 59.0 | - | 59.0 | - | - | - |
2025-03-30 04:20 pm | S | 14 | 18 | - | - | - | - | 29.52 | - | 58.1 | - | 58.1 | - | - | - |
2025-03-30 04:10 pm | S | 20 | 23 | - | - | - | - | 29.52 | - | 57.7 | - | 57.6 | - | - | - |
2025-03-30 04:00 pm | SSW | 22 | 25 | - | - | - | - | 29.52 | +0.00 | - | - | - | - | - | - |
2025-03-30 03:50 pm | SSW | 28 | 34 | - | - | - | - | 29.52 | - | - | - | - | - | - | - |
2025-03-30 03:40 pm | SSW | 26 | 35 | - | - | - | - | 29.52 | - | - | - | - | - | - | - |
2025-03-30 03:30 pm | WSW | 24 | 27 | - | - | - | - | 29.49 | - | - | - | - | - | - | - |
2025-03-30 03:20 pm | SSW | 25 | 31 | - | - | - | - | 29.45 | - | 72.1 | - | 65.1 | - | - | - |
2025-03-30 03:10 pm | S | 18 | 21 | - | - | - | - | 29.44 | - | 73.0 | - | 64.9 | - | - | - |
2025-03-30 03:00 pm | S | 15 | 19 | - | - | - | - | 29.45 | -0.11 | 72.7 | - | 64.6 | - | - | - |
2025-03-30 02:50 pm | S | 18 | 22 | - | - | - | - | 29.46 | - | 73.2 | - | 64.2 | - | - | - |
2025-03-30 02:40 pm | S | 17 | 24 | - | - | - | - | 29.47 | - | 72.7 | - | 65.3 | - | - | - |
2025-03-30 02:30 pm | S | 17 | 23 | - | - | - | - | 29.48 | - | 72.5 | - | 65.8 | - | - | - |
2025-03-30 02:20 pm | S | 18 | 21 | - | - | - | - | 29.48 | - | 72.9 | - | 64.9 | - | - | - |
2025-03-30 02:10 pm | S | 17 | 23 | - | - | - | - | 29.49 | - | 72.7 | - | 65.1 | - | - | - |
2025-03-30 02:00 pm | S | 19 | 22 | - | - | - | - | 29.49 | -0.10 | 72.7 | - | 65.3 | - | - | - |
2025-03-30 01:50 pm | S | 17 | 21 | - | - | - | - | 29.50 | - | 72.3 | - | 64.9 | - | - | - |
2025-03-30 01:40 pm | SSW | 20 | 23 | - | - | - | - | 29.52 | - | 72.0 | - | 64.6 | - | - | - |
2025-03-30 01:30 pm | S | 18 | 21 | - | - | - | - | 29.51 | - | 72.1 | - | 66.2 | - | - | - |
2025-03-30 01:20 pm | S | 19 | 26 | - | - | - | - | 29.52 | - | 72.0 | - | 67.5 | - | - | - |
2025-03-30 01:10 pm | S | 20 | 24 | - | - | - | - | 29.52 | - | 71.6 | - | 67.5 | - | - | - |
2025-03-30 01:00 pm | S | 17 | 24 | - | - | - | - | 29.52 | -0.12 | 71.1 | - | 69.1 | - | - | - |
2025-03-30 12:50 pm | S | 17 | 23 | - | - | - | - | 29.54 | - | 70.3 | - | 68.9 | - | - | - |
2025-03-30 12:40 pm | S | 15 | 17 | - | - | - | - | 29.55 | - | 70.3 | - | 69.3 | - | - | - |
2025-03-30 12:30 pm | S | 15 | 20 | - | - | - | - | 29.55 | - | 69.8 | - | 68.9 | - | - | - |
2025-03-30 12:20 pm | S | 19 | 23 | - | - | - | - | 29.55 | - | 69.6 | - | 69.1 | - | - | - |
2025-03-30 12:10 pm | S | 17 | 20 | - | - | - | - | 29.56 | - | 69.3 | - | 68.7 | - | - | - |
2025-03-30 12:00 pm | S | 20 | 25 | - | - | - | - | 29.56 | -0.08 | 69.3 | - | 68.5 | - | - | - |
2025-03-30 11:50 am | S | 14 | 17 | - | - | - | - | 29.57 | - | 68.0 | - | 68.0 | - | - | - |
2025-03-30 11:40 am | S | 16 | 21 | - | - | - | - | 29.58 | - | 67.5 | - | 67.5 | - | - | - |
2025-03-30 11:30 am | S | 14 | 17 | - | - | - | - | 29.59 | - | 66.7 | - | 66.7 | - | - | - |
2025-03-30 11:20 am | S | 16 | 19 | - | - | - | - | 29.59 | - | 66.9 | - | 66.9 | - | - | - |
2025-03-30 11:10 am | S | 13 | 18 | - | - | - | - | 29.60 | - | 66.7 | - | 66.7 | - | - | - |
2025-03-30 11:00 am | S | 15 | 21 | - | - | - | - | 29.60 | -0.07 | 66.4 | - | 66.4 | - | - | - |
2025-03-30 10:50 am | S | 16 | 20 | - | - | - | - | 29.61 | - | 66.0 | - | 66.0 | - | - | - |
2025-03-30 10:40 am | S | 14 | 17 | - | - | - | - | 29.62 | - | 65.7 | - | 65.7 | - | - | - |
2025-03-30 10:30 am | S | 12 | 17 | - | - | - | - | 29.62 | - | 65.7 | - | 65.5 | - | - | - |
2025-03-30 10:20 am | S | 13 | 16 | - | - | - | - | 29.63 | - | 65.5 | - | 65.5 | - | - | - |
2025-03-30 10:10 am | S | 17 | 20 | - | - | - | - | 29.64 | - | 65.3 | - | 65.3 | - | - | - |
2025-03-30 10:00 am | S | 15 | 17 | - | - | - | - | 29.64 | -0.03 | 65.1 | - | 65.1 | - | - | - |
2025-03-30 09:50 am | S | 14 | 17 | - | - | - | - | 29.64 | - | 64.6 | - | 64.6 | - | - | - |
2025-03-30 09:40 am | S | 15 | 18 | - | - | - | - | 29.65 | - | 64.0 | - | 64.0 | - | - | - |
2025-03-30 09:30 am | S | 12 | 15 | - | - | - | - | 29.64 | - | 63.5 | - | 63.5 | - | - | - |
2025-03-30 09:20 am | S | 15 | 18 | - | - | - | - | 29.64 | - | 63.5 | - | 63.5 | - | - | - |
2025-03-30 09:10 am | SSE | 13 | 22 | - | - | - | - | 29.65 | - | 63.3 | - | 63.3 | - | - | - |
2025-03-30 09:00 am | SSE | 11 | 15 | - | - | - | - | 29.65 | -0.03 | 62.8 | - | 62.8 | - | - | - |
2025-03-30 08:50 am | SSE | 11 | 15 | - | - | - | - | 29.65 | - | 62.6 | - | 62.6 | - | - | - |
2025-03-30 08:40 am | S | 11 | 13 | - | - | - | - | 29.66 | - | 62.8 | - | 62.8 | - | - | - |
2025-03-30 08:30 am | S | 11 | 12 | - | - | - | - | 29.66 | - | 62.8 | - | 62.8 | - | - | - |
2025-03-30 08:20 am | S | 10 | 14 | - | - | - | - | 29.67 | - | 62.6 | - | 62.6 | - | - | - |
2025-03-30 08:10 am | S | 9 | 11 | - | - | - | - | 29.67 | - | 62.4 | - | 62.4 | - | - | - |
2025-03-30 08:00 am | S | 10 | 13 | - | - | - | - | 29.67 | +0.01 | 62.4 | - | 62.4 | - | - | - |
2025-03-30 07:50 am | S | 10 | 12 | - | - | - | - | 29.67 | - | 62.4 | - | 62.4 | - | - | - |
2025-03-30 07:40 am | S | 12 | 15 | - | - | - | - | 29.67 | - | 62.2 | - | 62.2 | - | - | - |
2025-03-30 07:30 am | S | 11 | 13 | - | - | - | - | 29.67 | - | 62.4 | - | 62.2 | - | - | - |
2025-03-30 07:20 am | S | 10 | 14 | - | - | - | - | 29.67 | - | 62.1 | - | 62.1 | - | - | - |
2025-03-30 07:10 am | S | 15 | 21 | - | - | - | - | 29.67 | - | 62.4 | - | 62.4 | - | - | - |
2025-03-30 07:00 am | S | 12 | 15 | - | - | - | - | 29.67 | -0.01 | 62.1 | - | 62.1 | - | - | - |
2025-03-30 06:50 am | S | 11 | 14 | - | - | - | - | 29.67 | - | 61.9 | - | 61.9 | - | - | - |
2025-03-30 06:40 am | S | 12 | 14 | - | - | - | - | 29.67 | - | 61.9 | - | 61.9 | - | - | - |
2025-03-30 06:30 am | S | 12 | 15 | - | - | - | - | 29.66 | - | 61.7 | - | 61.7 | - | - | - |
2025-03-30 06:20 am | S | 12 | 15 | - | - | - | - | 29.67 | - | 61.7 | - | 61.5 | - | - | - |
2025-03-30 06:10 am | S | 15 | 18 | - | - | - | - | 29.67 | - | 61.9 | - | 61.9 | - | - | - |
2025-03-30 06:00 am | S | 14 | 17 | - | - | - | - | 29.67 | -0.02 | 61.5 | - | 61.5 | - | - | - |
2025-03-30 05:50 am | S | 13 | 16 | - | - | - | - | 29.67 | - | 61.3 | - | 61.3 | - | - | - |
2025-03-30 05:40 am | S | 14 | 21 | - | - | - | - | 29.67 | - | 61.3 | - | 61.3 | - | - | - |
2025-03-30 05:30 am | S | 9 | 11 | - | - | - | - | 29.66 | - | 61.0 | - | 60.8 | - | - | - |
2025-03-30 05:20 am | S | 10 | 12 | - | - | - | - | 29.66 | - | 60.8 | - | 60.8 | - | - | - |
2025-03-30 05:10 am | S | 11 | 15 | - | - | - | - | 29.66 | - | 61.2 | - | 61.0 | - | - | - |
2025-03-30 05:00 am | S | 9 | 12 | - | - | - | - | 29.66 | -0.06 | 61.0 | - | 61.0 | - | - | - |
2025-03-30 04:50 am | S | 11 | 13 | - | - | - | - | 29.66 | - | 61.0 | - | 61.0 | - | - | - |
2025-03-30 04:40 am | S | 12 | 15 | - | - | - | - | 29.67 | - | 61.0 | - | 60.8 | - | - | - |
2025-03-30 04:30 am | S | 10 | 13 | - | - | - | - | 29.67 | - | 60.8 | - | 60.8 | - | - | - |
2025-03-30 04:20 am | S | 10 | 13 | - | - | - | - | 29.67 | - | 60.8 | - | 60.8 | - | - | - |
2025-03-30 04:10 am | S | 12 | 14 | - | - | - | - | 29.68 | - | 60.8 | - | 60.8 | - | - | - |
2025-03-30 04:00 am | S | 12 | 15 | - | - | - | - | 29.68 | -0.06 | 60.8 | - | 60.8 | - | - | - |
2025-03-30 03:50 am | S | 9 | 10 | - | - | - | - | 29.68 | - | 60.8 | - | 60.6 | - | - | - |
2025-03-30 03:40 am | S | 11 | 13 | - | - | - | - | 29.68 | - | 61.0 | - | 61.0 | - | - | - |
2025-03-30 03:30 am | S | 10 | 12 | - | - | - | - | 29.68 | - | 61.0 | - | 61.0 | - | - | - |
2025-03-30 03:20 am | S | 10 | 14 | - | - | - | - | 29.69 | - | 60.8 | - | 60.8 | - | - | - |
2025-03-30 03:10 am | S | 10 | 13 | - | - | - | - | 29.69 | - | 60.8 | - | 60.8 | - | - | - |
2025-03-30 03:00 am | S | 10 | 13 | - | - | - | - | 29.70 | -0.07 | 60.6 | - | 60.4 | - | - | - |
2025-03-30 02:50 am | S | 9 | 10 | - | - | - | - | 29.70 | - | 60.6 | - | 60.6 | - | - | - |