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Station 45170
Illinois-Indiana Sea Grant Buoy
This buoy is located three miles offshore of Michigan City, Indiana. The buoy, jointly owned and operated by Illinois-Indiana Sea Grant and the Purdue University Department of Civil Engineering, will advance the understanding of near-shore waters, alert the public to hazardous conditions, protect water quality and improve weather forecasts. From about April 1 to Nov. 1 each year, the TIDAS 900 buoy will relay real-time information on wind speed, air and water temperature, wave height and direction, and other environmental characteristics. You can find out more information about the buoy here
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Measurements in red indicate failed validity tests.
Measurements in orange indicate questionable validity tests.  Click on the graph icon, in the table below, to see a time series plot of the last five days of that observation.
 Click on the page icon to view datasheet of sensor.
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Battery Voltage ( ) | 13.46 V |
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Wind Speed ( ) | 3.5 knots |
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Wind Gust Speed ( ) | 5.1 knots |
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Wind Direction ( ) | NNE (14.06°) |
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Air Temperature ( ) | 78.4 °F |
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Relative Humidity ( ) | 71.6 % |
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Dew Point ( ) | 68.5 °F |
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Water Temperature at Surface ( ) | 78.1 °F |
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Station Air Pressure ( ) | 990.36 mBar |
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Solar Radiation ( ) | 818 W m-2 |
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Significant Wave Height ( ) | 1.9 ft. |
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Dominant Period of Waves ( ) | 4.4 Sec. |
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Wave Direction ( ) | 92 ° |
| | Thermistor Temperature, depth: 3.3 ft. (TP001) | 77.0 °F |
| | Thermistor Temperature, depth: 6.6 ft. (TP002) | 76.8 °F |
| | Thermistor Temperature, depth: 9.8 ft. (TP003) | 76.6 °F |
| | Thermistor Temperature, depth: 13.1 ft. (TP004) | 76.0 °F |
| | Thermistor Temperature, depth: 16.4 ft. (TP005) | 76.6 °F |
| | Thermistor Temperature, depth: 19.7 ft. (TP006) | 76.6 °F |
| | Thermistor Temperature, depth: 23.0 ft. (TP007) | 76.5 °F |
| | Thermistor Temperature, depth: 26.3 ft. (TP008) | 76.2 °F |
| | Thermistor Temperature, depth: 29.5 ft. (TP009) | 75.6 °F |
| | Thermistor Temperature, depth: 32.8 ft. (TP010) | 73.0 °F |
| | Thermistor Temperature, depth: 36.1 ft. (TP011) | 67.2 °F |
| | Thermistor Temperature, depth: 39.4 ft. (TP012) | 60.4 °F |
| | Thermistor Temperature, depth: 42.7 ft. (TP013) | 53.1 °F |
| | Thermistor Temperature, depth: 45.9 ft. (TP014) | 50.2 °F |
| | Thermistor Temperature, depth: 49.2 ft. (TP015) | 49.5 °F |
| | Thermistor Temperature, depth: 52.5 ft. (TP016) | 49.0 °F |
| | Thermistor Temperature, depth: 55.8 ft. (TP017) | 48.7 °F |
| 41.755 | 86.968 | Decimal Degrees [DDD.DDDDD] |
| 41 45.3 N | 86 58.08 W | Degrees, Decimal Minutes [DDD MM.MMMM] |
| 41 45 18 N | 86 58 4 W | Degrees, Minutes, Seconds [DDD MM SS] |
Station 45170
Thermistor Plots (Temperature Profiles)
View all thermistors on the same plot:
View all thermistors on the same plot:
Station 45170
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| ID | DATE | (V) |
(knots) |
(knots) |
(°F) |
(%) |
(°F) |
(°F) |
(mBar) |
(W m-2) |
(ft.) |
(Sec.) |
(°) |
(°F) |
(°F) |
(°F) |
(°F) |
(°F) |
(°F) |
(°F) |
(°F) |
(°F) |
(°F) |
(°F) |
(°F) |
(°F) |
(°F) |
(°F) |
(°F) |
(°F) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 148456 | 07/11/2020 14:20:00 | 13.46 | 3.5 | 5.1 | NNE | 78.4 | 71.6 | 68.5 | 78.1 | 990.36 | 818 | 1.9 | 4.4 | 92 | - | 0.08 | 2.13 | 0.31 | 190 | 77.0 | 76.8 | 76.6 | 76.0 | 76.6 | 76.6 | 76.5 | 76.2 | 75.6 | 73.0 | 67.2 | 60.4 | 53.1 | 50.2 | 49.5 | 49.0 | 48.7 |
| 148455 | 07/11/2020 14:10:00 | 13.49 | 4.4 | 6.5 | NNE | 78.2 | 71.68 | 68.3 | 77.8 | 990.59 | 887 | 2.1 | 4.5 | 64 | 0.12 | 0.25 | 1.18 | 0.43 | 111 | 76.9 | 76.7 | 76.6 | 75.9 | 76.6 | 76.6 | 76.4 | 76.2 | 75.4 | 72.6 | 66.6 | 59.7 | 52.4 | 50.0 | 49.4 | 49.0 | 48.7 |
| 148454 | 07/11/2020 14:00:00 | 13.47 | 4.4 | 6.5 | NNE | 78 | 71.31 | 68 | 77.8 | 990.64 | 875 | 2.3 | 4.4 | 182 | -0.24 | -0.01 | 1.7 | -0.24 | 31 | 76.9 | 76.7 | 76.5 | 75.9 | 76.6 | 76.6 | 76.4 | 76.0 | 75.2 | 71.9 | 64.5 | 58.2 | 52.6 | 50.2 | 49.4 | 48.9 | 48.7 |
| 148453 | 07/11/2020 13:50:00 | 13.49 | 4.8 | 6.7 | NNE | 77.7 | 70.71 | 67.4 | 77.6 | 990.64 | 895 | 2.3 | 4.5 | 69 | 0.02 | 0.05 | 1.14 | 0.1 | 473 | 76.8 | 76.6 | 76.5 | 75.9 | 76.5 | 76.5 | 76.4 | 76.2 | 75.5 | 73.4 | 66.7 | 60.1 | 55.9 | 50.5 | 49.5 | 49.0 | 48.7 |
| 148452 | 07/11/2020 13:40:00 | 13.52 | 4.8 | 6.5 | NNE | 77.4 | 71.74 | 67.6 | 77.5 | 990.64 | 870 | 2.3 | 4.4 | --- | - | - | - | - | - | 76.7 | 76.6 | 76.4 | 75.8 | 76.5 | 76.5 | 76.4 | 76.2 | 75.5 | 73.7 | 67.4 | 60.7 | 53.1 | 50.4 | 49.4 | 49.0 | 48.6 |
| 148451 | 07/11/2020 13:30:00 | 13.53 | 4.1 | 5.9 | NNE | 77.2 | 72.53 | 67.7 | 77.4 | 990.64 | 846 | 2.2 | 4.4 | 59 | 0.06 | 0.1 | 1.49 | 0.32 | 314 | 76.8 | 76.6 | 76.4 | 75.8 | 76.5 | 76.5 | 76.4 | 76.2 | 75.6 | 74.4 | 68.8 | 60.5 | 55.0 | 50.5 | 49.5 | 49.0 | 48.6 |
| 148450 | 07/11/2020 13:20:00 | 13.46 | 3.6 | 5.3 | NNE | 77 | 73.89 | 68.1 | 77.2 | 990.64 | 839 | 2.3 | 4.4 | 60 | 0.15 | 0.26 | 1.62 | 0.87 | 235 | 76.6 | 76.5 | 76.3 | 75.7 | 76.4 | 76.4 | 76.4 | 76.3 | 75.9 | 74.7 | 69.7 | 61.4 | 56.2 | 50.5 | 49.4 | 49.0 | 48.6 |
| 148449 | 07/11/2020 13:10:00 | 13.52 | 4.2 | 5.3 | N | 76.9 | 72.62 | 67.4 | 77.1 | 990.64 | 835 | 2.4 | 4.4 | 137 | -0.21 | 0.19 | 1.8 | 0.33 | 156 | 76.6 | 76.5 | 76.3 | 75.7 | 76.4 | 76.4 | 76.3 | 76.2 | 75.9 | 75.1 | 71.0 | 63.6 | 57.0 | 50.8 | 49.6 | 49.0 | 48.6 |
| 148448 | 07/11/2020 13:00:00 | 13.54 | 4.5 | 5.7 | N | 76.7 | 73.09 | 67.4 | 76.9 | 990.64 | 835 | 2.5 | 4.3 | --- | - | - | - | - | - | 76.6 | 76.5 | 76.3 | 75.7 | 76.3 | 76.3 | 76.2 | 76.1 | 76.0 | 75.2 | 72.3 | 65.4 | 59.6 | 51.5 | 49.7 | 49.1 | 48.6 |
| 148447 | 07/11/2020 12:50:00 | 13.49 | 4.4 | 6.1 | N | 76.5 | 72.81 | 67.2 | 76.8 | 990.64 | 831 | 2.3 | 4.3 | 52 | 0.11 | 0.14 | 1.32 | 0.36 | 518 | 76.5 | 76.4 | 76.2 | 75.6 | 76.2 | 76.2 | 76.1 | 76.1 | 76.0 | 75.1 | 71.8 | 65.6 | 59.8 | 51.4 | 49.8 | 49.2 | 48.6 |
| 148446 | 07/11/2020 12:40:00 | 13.5 | 4.7 | 6.7 | NNE | 76.2 | 73.89 | 67.3 | 76.6 | 990.65 | 825 | 2.4 | 4.3 | 299 | 0.11 | -0.19 | 1.1 | -0.35 | 439 | 76.4 | 76.3 | 76.1 | 75.5 | 76.2 | 76.2 | 76.1 | 76.1 | 76.0 | 75.5 | 72.9 | 67.4 | 60.6 | 53.2 | 50.1 | 49.3 | 48.6 |
| 148445 | 07/11/2020 12:30:00 | 13.5 | 5.9 | 7.6 | NNE | 76 | 75.32 | 67.6 | 76.5 | 990.65 | 803 | 2.4 | 4.3 | 9 | 0.6 | 0.1 | 1.92 | 1.04 | 360 | 76.3 | 76.2 | 76.1 | 75.5 | 76.2 | 76.1 | 76.1 | 76.0 | 76.0 | 75.6 | 73.0 | 68.3 | 62.3 | 54.3 | 50.1 | 49.2 | 48.5 |
| 148444 | 07/11/2020 12:20:00 | 13.5 | 7.1 | 9.1 | NNE | 75.7 | 75.24 | 67.3 | 76.4 | 990.65 | 797.9 | 2.5 | 4.5 | 165 | -0.24 | 0.06 | 1.17 | -0.03 | 280 | 76.2 | 76.1 | 76.0 | 75.4 | 76.1 | 76.1 | 76.0 | 76.0 | 75.9 | 75.6 | 73.3 | 68.2 | 61.9 | 54.6 | 50.3 | 49.3 | 48.7 |
| 148443 | 07/11/2020 12:10:00 | 13.51 | 8 | 10.5 | NNE | 75.5 | 76.44 | 67.6 | 76.4 | 990.65 | 789.1 | 2.4 | 4.3 | 26 | 0.29 | 0.14 | 2.18 | 0.86 | 201 | 76.2 | 76.1 | 76.0 | 75.3 | 76.0 | 76.0 | 76.0 | 76.0 | 75.8 | 75.7 | 73.7 | 69.1 | 63.2 | 56.1 | 50.4 | 49.2 | 48.6 |
| 148442 | 07/11/2020 12:00:00 | 13.52 | 8.5 | 10.7 | NNE | 75.1 | 77.54 | 67.6 | 76.3 | 990.63 | 647.7 | 2.5 | 4.5 | 59 | 0.16 | 0.27 | 1.46 | 0.86 | 122 | 76.1 | 76.0 | 75.9 | 75.3 | 76.0 | 76.0 | 75.9 | 75.9 | 75.8 | 75.6 | 73.6 | 68.8 | 63.6 | 57.7 | 50.7 | 49.3 | 48.7 |
| 148441 | 07/11/2020 11:50:00 | 13.51 | 9.2 | 11.4 | NNE | 74.8 | 78.29 | 67.7 | 76.3 | 990.49 | 439.8 | 2.9 | 4.3 | 68 | 0.07 | 0.18 | 1.65 | 0.57 | 42 | 76.0 | 76.0 | 75.9 | 75.2 | 75.9 | 76.0 | 75.9 | 75.9 | 75.8 | 75.7 | 74.5 | 70.8 | 65.4 | 60.1 | 51.7 | 49.3 | 48.6 |
| 148440 | 07/11/2020 11:40:00 | 13.48 | 9.4 | 11.4 | NNE | 74.6 | 81 | 68.4 | 76.2 | 990.46 | 330.5 | 3 | 4.4 | 156 | -0.09 | 0.04 | 0.76 | - | 484 | 76.0 | 75.9 | 75.8 | 75.2 | 75.9 | 75.9 | 75.9 | 75.9 | 75.8 | 75.7 | 74.6 | 71.7 | 66.6 | 61.2 | 52.7 | 49.7 | 48.6 |
| 148439 | 07/11/2020 11:30:00 | 13.46 | 9.1 | 11.2 | NNE | 74.4 | 82 | 68.6 | 76.2 | 990.32 | 263.7 | 3.1 | 4.4 | 86 | 0.05 | 0.69 | 2.03 | 2.02 | 405 | 76.0 | 75.9 | 75.8 | 75.2 | 75.9 | 75.9 | 75.9 | 75.9 | 75.8 | 75.6 | 74.0 | 70.9 | 65.5 | 60.5 | 52.4 | 49.6 | 48.6 |
| 148438 | 07/11/2020 11:20:00 | 13.47 | 9.3 | 11.2 | N | 74.4 | 83.5 | 69.1 | 76.2 | 990.26 | 314.8 | 2.9 | 4.4 | 75 | 0.02 | 0.08 | 1.48 | 0.23 | 325 | 75.9 | 75.9 | 75.8 | 75.2 | 75.9 | 75.9 | 75.8 | 75.8 | 75.7 | 75.6 | 74.5 | 71.6 | 65.6 | 61.6 | 54.0 | 49.9 | 48.7 |
| 148437 | 07/11/2020 11:10:00 | 13.47 | 9.2 | 11.4 | NNE | 74.5 | 83.1 | 69.1 | 76.2 | 990.15 | 569.6 | 2.9 | 4.4 | 6 | 0.23 | 0.03 | 1.41 | 0.16 | 246 | 75.9 | 75.9 | 75.8 | 75.2 | 75.9 | 75.9 | 75.8 | 75.8 | 75.7 | 75.6 | 74.8 | 71.7 | 65.8 | 62.6 | 58.1 | 50.9 | 48.8 |
| 148436 | 07/11/2020 11:00:00 | 13.44 | 9.5 | 12 | NNE | 74.6 | 83.1 | 69.1 | 76.2 | 990.14 | 713.5 | 3 | 4.4 | 348 | 0.37 | -0.08 | 1.34 | 0.34 | 167 | 75.9 | 75.9 | 75.8 | 75.2 | 75.9 | 75.9 | 75.9 | 75.8 | 75.7 | 75.6 | 74.8 | 71.8 | 65.8 | 62.4 | 56.0 | 50.0 | 48.7 |
| 148435 | 07/11/2020 10:50:00 | 13.5 | 9.6 | 12.4 | NNE | 74.6 | 83.5 | 69.2 | 76.1 | 990.13 | 705.5 | 2.9 | 4.5 | 151 | -0.18 | 0.1 | 1.39 | 0.23 | 88 | 75.9 | 75.9 | 75.7 | 75.2 | 75.9 | 75.9 | 75.8 | 75.8 | 75.7 | 75.5 | 74.3 | 70.4 | 65.3 | 62.7 | 55.7 | 49.8 | 48.7 |
| 148434 | 07/11/2020 10:40:00 | 13.46 | 9.6 | 12.2 | NNE | 74.6 | 81.6 | 68.7 | 76.2 | 990.12 | 682 | 3.2 | 4.4 | 326 | 0.45 | -0.3 | 1.39 | -0.59 | 521 | 75.9 | 75.9 | 75.7 | 75.1 | 75.9 | 75.9 | 75.8 | 75.7 | 75.6 | 75.5 | 74.4 | 70.5 | 65.3 | 62.8 | 57.7 | 50.4 | 48.8 |
| 148433 | 07/11/2020 10:30:00 | 13.41 | 9.7 | 12.8 | NNE | 74.5 | 82.2 | 68.8 | 76.1 | 990.11 | 659.1 | 3.3 | 4.4 | 312 | 0.24 | -0.27 | 1.05 | -0.14 | 450 | 75.9 | 75.8 | 75.7 | 75.1 | 75.8 | 75.9 | 75.8 | 75.7 | 75.6 | 75.4 | 74.2 | 70.7 | 65.3 | 63.2 | 57.9 | 50.2 | 48.7 |
| 148432 | 07/11/2020 10:20:00 | 13.5 | 10.1 | 12.6 | NNE | 74.5 | 81.5 | 68.5 | 76.1 | 990.09 | 639 | 3.3 | 4.4 | 99 | -0.03 | 0.19 | 0.84 | 0.25 | 371 | 75.9 | 75.8 | 75.7 | 75.2 | 75.9 | 75.8 | 75.7 | 75.7 | 75.5 | 75.4 | 74.4 | 70.8 | 65.9 | 63.8 | 59.2 | 50.2 | 48.7 |
| 148431 | 07/11/2020 10:10:00 | 13.85 | 9.4 | 12 | NNE | 74.5 | 82.4 | 68.8 | 76.1 | 990.08 | 601.8 | 3.3 | 4.4 | 142 | -0.18 | 0.14 | 2.61 | 0.65 | 291 | 75.8 | 75.8 | 75.7 | 75.1 | 75.8 | 75.8 | 75.7 | 75.7 | 75.6 | 75.4 | 74.4 | 70.5 | 65.9 | 63.2 | 58.9 | 49.9 | 48.8 |
| 148430 | 07/11/2020 10:00:00 | 13.89 | 9 | 12 | NNE | 74.5 | 81.8 | 68.6 | 76.1 | 990.06 | 576.2 | 3.4 | 4.4 | 352 | 0.3 | -0.04 | 1.49 | 0.3 | 212 | 75.8 | 75.8 | 75.7 | 75.1 | 75.8 | 75.8 | 75.7 | 75.7 | 75.5 | 75.3 | 74.1 | 70.3 | 66.2 | 63.4 | 58.1 | 49.6 | 48.6 |
| 148429 | 07/11/2020 09:50:00 | 13.85 | 9.1 | 11.4 | NNE | 74.4 | 80.9 | 68.2 | 76.1 | 990.01 | 532.2 | 3.4 | 4.4 | 295 | 0.17 | -0.36 | 1.24 | -0.63 | 133 | 75.8 | 75.8 | 75.7 | 75.2 | 75.9 | 75.9 | 75.7 | 75.7 | 75.5 | 75.2 | 74.1 | 70.6 | 65.7 | 62.0 | 56.1 | 49.7 | 48.6 |
| 148428 | 07/11/2020 09:40:00 | 13.89 | 8.6 | 11.2 | NE | 74.5 | 81.3 | 68.4 | 76.1 | 990 | 509.2 | 3.4 | 4.3 | 357 | 0.14 | -0.01 | 1.2 | 0.1 | 53 | 75.8 | 75.8 | 75.7 | 75.1 | 75.8 | 75.8 | 75.7 | 75.7 | 75.5 | 75.3 | 74.6 | 72.1 | 66.4 | 64.3 | 58.0 | 50.8 | 48.8 |
| 148427 | 07/11/2020 09:30:00 | 13.87 | 8.9 | 11.8 | NE | 74.4 | 81.3 | 68.3 | 76.1 | 989.87 | 481.1 | 3.5 | 4.3 | 72 | 0.1 | 0.31 | 1.52 | 0.93 | 495 | 75.8 | 75.7 | 75.7 | 75.1 | 75.8 | 75.8 | 75.7 | 75.6 | 75.5 | 75.4 | 74.8 | 72.5 | 67.4 | 64.1 | 56.9 | 51.4 | 49.0 |
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Great Lakes Research Center
1400 Townsend Drive
Houghton, MI, 49931
Page last modified: August 9, 2017
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