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 CHII2 - Harrison-Dever Crib, Chicago, IL 
Owned and maintained by Great Lakes Environmental Research Laboratory
C-MAN Station
41.916 N 87.572 W (41°54'58" N 87°34'20" W)
Site elevation: 176 m above mean sea level
Air temp height: 22.9 m above site elevation
Anemometer height: 25.9 m above site elevation
Large icon indicates selected station.
Stations with recent data
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(24 hours for tsunami stations)
Stations with recent data Stations with no data in last 8 hours(24 hours for tsunami stations)
|
Click on the graph icon in the table below to see a time series plot of the last five days of that observation. | |
 Wind Direction (WDIR): | SW ( 230 deg true ) |
| Wind Speed (WSPD): | 20 kts |
| Wind Gust (GST): | 23 kts |
| Air Temperature (ATMP): | 66.6 °F |
| Dew Point (DEWP): | 62.4 °F |
| Combined plot of Wind Speed, Gust, and Air Pressure |
|
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-04-19 12:10 am | WSW | 21 | 26 | - | - | - | - | - | - | 66.6 | - | 63.0 | - | - | - |
| 2025-04-19 12:00 am | SW | 22 | 27 | - | - | - | - | - | - | 66.7 | - | 63.1 | - | - | - |
| 2025-04-18 11:50 pm | WSW | 24 | 29 | - | - | - | - | - | - | 67.5 | - | 63.3 | - | - | - |
| 2025-04-18 11:40 pm | WSW | 26 | 30 | - | - | - | - | - | - | 67.8 | - | 64.4 | - | - | - |
| 2025-04-18 11:30 pm | WSW | 27 | 33 | - | - | - | - | - | - | 66.6 | - | 64.8 | - | - | - |
| 2025-04-18 11:20 pm | W | 31 | 35 | - | - | - | - | - | - | 68.7 | - | 65.3 | - | - | - |
| 2025-04-18 11:10 pm | WSW | 25 | 34 | - | - | - | - | - | - | 70.5 | - | 65.1 | - | - | - |
| 2025-04-18 11:00 pm | W | 29 | 35 | - | - | - | - | - | - | 71.8 | - | 64.8 | - | - | - |
| 2025-04-18 10:50 pm | SW | 20 | 24 | - | - | - | - | - | - | 72.9 | - | 64.0 | - | - | - |
| 2025-04-18 10:40 pm | SW | 23 | 28 | - | - | - | - | - | - | 73.4 | - | 64.4 | - | - | - |
| 2025-04-18 10:30 pm | SSW | 26 | 29 | - | - | - | - | - | - | 73.9 | - | 64.6 | - | - | - |
| 2025-04-18 10:20 pm | SW | 25 | 29 | - | - | - | - | - | - | 74.1 | - | 64.8 | - | - | - |
| 2025-04-18 10:10 pm | SW | 22 | 25 | - | - | - | - | - | - | 73.6 | - | 64.6 | - | - | - |
| 2025-04-18 10:00 pm | SW | 23 | 24 | - | - | - | - | - | - | 73.6 | - | 64.8 | - | - | - |
| 2025-04-18 09:50 pm | SSW | 25 | 28 | - | - | - | - | - | - | 73.8 | - | 64.4 | - | - | - |
| 2025-04-18 09:40 pm | SSW | 23 | 26 | - | - | - | - | - | - | 73.9 | - | 64.8 | - | - | - |
| 2025-04-18 09:30 pm | SSW | 21 | 23 | - | - | - | - | - | - | 74.1 | - | 64.6 | - | - | - |
| 2025-04-18 09:20 pm | SW | 26 | 30 | - | - | - | - | - | - | 74.5 | - | 64.6 | - | - | - |
| 2025-04-18 09:10 pm | SW | 28 | 30 | - | - | - | - | - | - | 74.5 | - | 64.8 | - | - | - |
| 2025-04-18 09:00 pm | SW | 25 | 29 | - | - | - | - | - | - | 74.3 | - | 64.4 | - | - | - |
| 2025-04-18 08:50 pm | SW | 23 | 29 | - | - | - | - | - | - | 74.1 | - | 64.6 | - | - | - |
| 2025-04-18 08:40 pm | SSW | 25 | 31 | - | - | - | - | - | - | 74.5 | - | 64.6 | - | - | - |
| 2025-04-18 08:30 pm | SSW | 22 | 26 | - | - | - | - | - | - | 73.9 | - | 64.4 | - | - | - |
| 2025-04-18 08:20 pm | SW | 23 | 26 | - | - | - | - | - | - | 74.3 | - | 64.6 | - | - | - |
| 2025-04-18 08:10 pm | SW | 21 | 24 | - | - | - | - | - | - | 73.8 | - | 64.4 | - | - | - |
| 2025-04-18 08:00 pm | SW | 25 | 29 | - | - | - | - | - | - | 74.8 | - | 64.8 | - | - | - |
| 2025-04-18 07:50 pm | SW | 24 | 28 | - | - | - | - | - | - | 73.9 | - | 64.4 | - | - | - |
| 2025-04-18 07:40 pm | SW | 31 | 36 | - | - | - | - | - | - | 74.5 | - | 64.6 | - | - | - |
| 2025-04-18 07:30 pm | SW | 34 | 45 | - | - | - | - | - | - | 74.8 | - | 64.8 | - | - | - |
| 2025-04-18 07:20 pm | SW | 35 | 43 | - | - | - | - | - | - | 74.3 | - | 64.8 | - | - | - |
| 2025-04-18 07:10 pm | SW | 30 | 36 | - | - | - | - | - | - | 74.7 | - | 64.8 | - | - | - |
| 2025-04-18 07:00 pm | SW | 37 | 44 | - | - | - | - | - | - | 74.8 | - | 64.8 | - | - | - |
| 2025-04-18 06:50 pm | SW | 32 | 40 | - | - | - | - | - | - | 74.3 | - | 64.4 | - | - | - |
| 2025-04-18 06:40 pm | SW | 36 | 44 | - | - | - | - | - | - | 73.2 | - | 64.0 | - | - | - |
| 2025-04-18 06:30 pm | SSW | 35 | 40 | - | - | - | - | - | - | 72.1 | - | 63.5 | - | - | - |
| 2025-04-18 06:20 pm | SSW | 36 | 38 | - | - | - | - | - | - | 72.0 | - | 63.5 | - | - | - |
| 2025-04-18 06:10 pm | S | 32 | 36 | - | - | - | - | - | - | 70.3 | - | 62.6 | - | - | - |
| 2025-04-18 06:00 pm | S | 34 | 36 | - | - | - | - | - | - | 70.5 | - | 63.0 | - | - | - |
| 2025-04-18 05:50 pm | S | 31 | 33 | - | - | - | - | - | - | 71.4 | - | 63.1 | - | - | - |
| 2025-04-18 05:40 pm | SSW | 31 | 35 | - | - | - | - | - | - | 73.4 | - | 63.3 | - | - | - |
| 2025-04-18 05:30 pm | SSW | 32 | 37 | - | - | - | - | - | - | 74.7 | - | 63.7 | - | - | - |
| 2025-04-18 05:20 pm | SW | 27 | 29 | - | - | - | - | - | - | 74.1 | - | 63.3 | - | - | - |
| 2025-04-18 05:10 pm | SSW | 25 | 28 | - | - | - | - | - | - | 74.5 | - | 63.7 | - | - | - |
| 2025-04-18 05:00 pm | SW | 30 | 36 | - | - | - | - | - | - | 75.4 | - | 63.9 | - | - | - |
| 2025-04-18 04:50 pm | SW | 27 | 33 | - | - | - | - | - | - | 75.9 | - | 64.0 | - | - | - |
| 2025-04-18 04:40 pm | SW | 30 | 38 | - | - | - | - | - | - | 74.8 | - | 63.9 | - | - | - |
| 2025-04-18 04:30 pm | SSW | 27 | 29 | - | - | - | - | - | - | 74.5 | - | 64.2 | - | - | - |
| 2025-04-18 04:20 pm | SW | 31 | 34 | - | - | - | - | - | - | 74.5 | - | 64.9 | - | - | - |
| 2025-04-18 04:10 pm | SW | 38 | 42 | - | - | - | - | - | - | 75.2 | - | 64.9 | - | - | - |
| 2025-04-18 04:00 pm | SSW | 43 | 47 | - | - | - | - | - | - | 75.0 | - | 64.4 | - | - | - |
| 2025-04-18 03:50 pm | SW | 30 | 39 | - | - | - | - | - | - | 75.6 | - | 64.0 | - | - | - |
| 2025-04-18 03:40 pm | SW | 26 | 30 | - | - | - | - | - | - | 77.0 | - | 64.2 | - | - | - |
| 2025-04-18 03:30 pm | SW | 28 | 32 | - | - | - | - | - | - | 76.8 | - | 64.0 | - | - | - |
| 2025-04-18 03:20 pm | SSW | 30 | 35 | - | - | - | - | - | - | 76.5 | - | 63.9 | - | - | - |
| 2025-04-18 03:10 pm | SW | 26 | 32 | - | - | - | - | - | - | 75.9 | - | 63.7 | - | - | - |
| 2025-04-18 03:00 pm | SW | 29 | 35 | - | - | - | - | - | - | 75.9 | - | 63.5 | - | - | - |
| 2025-04-18 02:50 pm | SSW | 30 | 37 | - | - | - | - | - | - | 74.1 | - | 63.0 | - | - | - |
| 2025-04-18 02:40 pm | SSW | 27 | 31 | - | - | - | - | - | - | 74.7 | - | 63.0 | - | - | - |
| 2025-04-18 02:30 pm | SSW | 26 | 29 | - | - | - | - | - | - | 74.7 | - | 63.0 | - | - | - |
| 2025-04-18 02:20 pm | SW | 24 | 30 | - | - | - | - | - | - | 74.8 | - | 62.8 | - | - | - |
| 2025-04-18 02:10 pm | SW | 27 | 30 | - | - | - | - | - | - | 74.7 | - | 62.8 | - | - | - |
| 2025-04-18 02:00 pm | SW | 26 | 37 | - | - | - | - | - | - | 75.9 | - | 63.3 | - | - | - |
| 2025-04-18 01:50 pm | SW | 25 | 28 | - | - | - | - | - | - | 74.8 | - | 62.8 | - | - | - |
| 2025-04-18 01:40 pm | SSW | 31 | 35 | - | - | - | - | - | - | 74.8 | - | 62.8 | - | - | - |
| 2025-04-18 01:30 pm | SSW | 35 | 40 | - | - | - | - | - | - | 74.7 | - | 62.8 | - | - | - |
| 2025-04-18 01:20 pm | SSW | 29 | 33 | - | - | - | - | - | - | 72.9 | - | 61.9 | - | - | - |
| 2025-04-18 01:10 pm | SSW | 25 | 28 | - | - | - | - | - | - | 72.5 | - | 62.1 | - | - | - |
| 2025-04-18 01:00 pm | SSW | 30 | 35 | - | - | - | - | - | - | 74.8 | - | 62.6 | - | - | - |
| 2025-04-18 12:50 pm | SSW | 30 | 32 | - | - | - | - | - | - | 73.8 | - | 61.9 | - | - | - |
| 2025-04-18 12:40 pm | SSW | 27 | 29 | - | - | - | - | - | - | 73.0 | - | 61.7 | - | - | - |
| 2025-04-18 12:30 pm | SSW | 28 | 29 | - | - | - | - | - | - | 73.0 | - | 61.7 | - | - | - |
| 2025-04-18 12:20 pm | SSW | 26 | 30 | - | - | - | - | - | - | 73.6 | - | 61.5 | - | - | - |
| 2025-04-18 12:10 pm | SSW | 26 | 29 | - | - | - | - | - | - | 72.9 | - | 61.5 | - | - | - |
| 2025-04-18 12:00 pm | SSW | 23 | 26 | - | - | - | - | - | - | 72.5 | - | 61.2 | - | - | - |
| 2025-04-18 11:50 am | SSW | 21 | 25 | - | - | - | - | - | - | 72.1 | - | 61.3 | - | - | - |
| 2025-04-18 11:40 am | SSW | 23 | 26 | - | - | - | - | - | - | 70.3 | - | 60.6 | - | - | - |
| 2025-04-18 11:30 am | SSW | 23 | 29 | - | - | - | - | - | - | 70.5 | - | 60.3 | - | - | - |
| 2025-04-18 11:20 am | SSW | 30 | 33 | - | - | - | - | - | - | 71.4 | - | 60.8 | - | - | - |
| 2025-04-18 11:10 am | SSW | 27 | 31 | - | - | - | - | - | - | 71.4 | - | 60.8 | - | - | - |
| 2025-04-18 11:00 am | SSW | 26 | 28 | - | - | - | - | - | - | 70.2 | - | 60.3 | - | - | - |
| 2025-04-18 10:50 am | SSW | 27 | 32 | - | - | - | - | - | - | 70.2 | - | 60.1 | - | - | - |
| 2025-04-18 10:40 am | SSW | 27 | 29 | - | - | - | - | - | - | 69.6 | - | 59.4 | - | - | - |
| 2025-04-18 10:30 am | SSW | 27 | 31 | - | - | - | - | - | - | 69.6 | - | 59.7 | - | - | - |
| 2025-04-18 10:20 am | SSW | 26 | 30 | - | - | - | - | - | - | 70.5 | - | 59.5 | - | - | - |
| 2025-04-18 10:10 am | SSW | 23 | 25 | - | - | - | - | - | - | 69.3 | - | 58.8 | - | - | - |
| 2025-04-18 10:00 am | SSW | 25 | 27 | - | - | - | - | - | - | 69.6 | - | 58.8 | - | - | - |
| 2025-04-18 09:50 am | SSW | 23 | 25 | - | - | - | - | - | - | 69.3 | - | 58.5 | - | - | - |
| 2025-04-18 09:40 am | SSW | 29 | 34 | - | - | - | - | - | - | 69.3 | - | 58.5 | - | - | - |
| 2025-04-18 09:30 am | SSW | 27 | 31 | - | - | - | - | - | - | 68.7 | - | 57.9 | - | - | - |
| 2025-04-18 09:20 am | SSW | 33 | 41 | - | - | - | - | - | - | 68.0 | - | 57.6 | - | - | - |
| 2025-04-18 09:10 am | SSW | 30 | 37 | - | - | - | - | - | - | 66.6 | - | 56.5 | - | - | - |
| 2025-04-18 09:00 am | SSW | 30 | 34 | - | - | - | - | - | - | 66.4 | - | 56.1 | - | - | - |
| 2025-04-18 08:50 am | SSW | 30 | 33 | - | - | - | - | - | - | 66.2 | - | 55.8 | - | - | - |
| 2025-04-18 08:40 am | SSW | 30 | 33 | - | - | - | - | - | - | 66.0 | - | 55.6 | - | - | - |
| 2025-04-18 08:30 am | SSW | 36 | 41 | - | - | - | - | - | - | 66.2 | - | 55.6 | - | - | - |
| 2025-04-18 08:20 am | SSW | 30 | 34 | - | - | - | - | - | - | 66.2 | - | 55.0 | - | - | - |
| 2025-04-18 08:10 am | SSW | 29 | 34 | - | - | - | - | - | - | 66.0 | - | 54.7 | - | - | - |
| 2025-04-18 08:00 am | SSW | 31 | 34 | - | - | - | - | - | - | 65.7 | - | 54.3 | - | - | - |
| 2025-04-18 07:50 am | SSW | 30 | 32 | - | - | - | - | - | - | 64.9 | - | 53.8 | - | - | - |
| 2025-04-18 07:40 am | SSW | 34 | 37 | - | - | - | - | - | - | 65.5 | - | 53.4 | - | - | - |
| 2025-04-18 07:30 am | SSW | 29 | 32 | - | - | - | - | - | - | 65.3 | - | 52.7 | - | - | - |
| 2025-04-18 07:20 am | SSW | 29 | 31 | - | - | - | - | - | - | 64.6 | - | 52.0 | - | - | - |
| 2025-04-18 07:10 am | SSW | 28 | 31 | - | - | - | - | - | - | 64.0 | - | 51.4 | - | - | - |
| 2025-04-18 07:00 am | SSW | 26 | 30 | - | - | - | - | - | - | 63.7 | - | 51.1 | - | - | - |
| 2025-04-18 06:50 am | SSW | 25 | 26 | - | - | - | - | - | - | 62.6 | - | 50.5 | - | - | - |
| 2025-04-18 06:40 am | SSW | 22 | 24 | - | - | - | - | - | - | 62.4 | - | 50.2 | - | - | - |
| 2025-04-18 06:30 am | S | 25 | 28 | - | - | - | - | - | - | 63.0 | - | 49.8 | - | - | - |
| 2025-04-18 06:20 am | S | 22 | 24 | - | - | - | - | - | - | 62.1 | - | 49.6 | - | - | - |
| 2025-04-18 06:10 am | SSW | 23 | 25 | - | - | - | - | - | - | 63.1 | - | 49.5 | - | - | - |
| 2025-04-18 06:00 am | SSW | 27 | 31 | - | - | - | - | - | - | 63.7 | - | 49.5 | - | - | - |
| 2025-04-18 05:50 am | SSW | 28 | 31 | - | - | - | - | - | - | 63.5 | - | 49.1 | - | - | - |
| 2025-04-18 05:40 am | SSW | 28 | 30 | - | - | - | - | - | - | 63.0 | - | 48.7 | - | - | - |
| 2025-04-18 05:30 am | SSW | 29 | 32 | - | - | - | - | - | - | 61.9 | - | 48.2 | - | - | - |
| 2025-04-18 05:20 am | SSW | 31 | 34 | - | - | - | - | - | - | 62.1 | - | 47.8 | - | - | - |
| 2025-04-18 05:10 am | SSW | 35 | 42 | - | - | - | - | - | - | 62.2 | - | 47.7 | - | - | - |
| 2025-04-18 05:00 am | SSW | 37 | 39 | - | - | - | - | - | - | 62.4 | - | 47.1 | - | - | - |
| 2025-04-18 04:50 am | S | 34 | 36 | - | - | - | - | - | - | 61.0 | - | 46.9 | - | - | - |
| 2025-04-18 04:40 am | S | 35 | 36 | - | - | - | - | - | - | 58.5 | - | 46.4 | - | - | - |
| 2025-04-18 04:30 am | S | 38 | 40 | - | - | - | - | - | - | 59.5 | - | 46.0 | - | - | - |
| 2025-04-18 04:20 am | S | 28 | 36 | - | - | - | - | - | - | 60.4 | - | 46.2 | - | - | - |
| 2025-04-18 04:10 am | S | 32 | 34 | - | - | - | - | - | - | 63.3 | - | 45.5 | - | - | - |
| 2025-04-18 04:00 am | SSW | 32 | 36 | - | - | - | - | - | - | 64.0 | - | 45.3 | - | - | - |
| 2025-04-18 03:50 am | SSW | 31 | 33 | - | - | - | - | - | - | 64.2 | - | 44.8 | - | - | - |
| 2025-04-18 03:40 am | SSW | 33 | 35 | - | - | - | - | - | - | 64.2 | - | 44.4 | - | - | - |
| 2025-04-18 03:30 am | SSW | 33 | 36 | - | - | - | - | - | - | 63.7 | - | 44.2 | - | - | - |
| 2025-04-18 03:20 am | SSW | 29 | 32 | - | - | - | - | - | - | 62.6 | - | 43.9 | - | - | - |
| 2025-04-18 03:10 am | SSW | 33 | 35 | - | - | - | - | - | - | 62.8 | - | 43.3 | - | - | - |
| 2025-04-18 03:00 am | SSW | 32 | 35 | - | - | - | - | - | - | 62.4 | - | 43.0 | - | - | - |
| 2025-04-18 02:50 am | SSW | 33 | 37 | - | - | - | - | - | - | 62.1 | - | 43.0 | - | - | - |
| 2025-04-18 02:40 am | SSW | 33 | 36 | - | - | - | - | - | - | 61.9 | - | 43.0 | - | - | - |
| 2025-04-18 02:30 am | SSW | 31 | 34 | - | - | - | - | - | - | 61.3 | - | 43.0 | - | - | - |
| 2025-04-18 02:20 am | S | 32 | 37 | - | - | - | - | - | - | 61.9 | - | 42.8 | - | - | - |
| 2025-04-18 02:10 am | S | 37 | 41 | - | - | - | - | - | - | 63.0 | - | 42.3 | - | - | - |
| 2025-04-18 02:00 am | SSW | 30 | 32 | - | - | - | - | - | - | 61.7 | - | 43.0 | - | - | - |
| 2025-04-18 01:50 am | SSW | 31 | 33 | - | - | - | - | - | - | 61.9 | - | 42.8 | - | - | - |
| 2025-04-18 01:40 am | S | 32 | 35 | - | - | - | - | - | - | 62.1 | - | 42.8 | - | - | - |
| 2025-04-18 01:30 am | S | 32 | 35 | - | - | - | - | - | - | 61.9 | - | 43.0 | - | - | - |
| 2025-04-18 01:20 am | S | 31 | 35 | - | - | - | - | - | - | 61.9 | - | 43.0 | - | - | - |
| 2025-04-18 01:10 am | S | 30 | 31 | - | - | - | - | - | - | 61.0 | - | 43.3 | - | - | - |
| 2025-04-18 01:00 am | S | 24 | 27 | - | - | - | - | - | - | 58.5 | - | 44.2 | - | - | - |
| 2025-04-18 12:50 am | S | 25 | 28 | - | - | - | - | - | - | 58.5 | - | 43.9 | - | - | - |
| 2025-04-18 12:40 am | S | 25 | 29 | - | - | - | - | - | - | 58.5 | - | 43.5 | - | - | - |
| 2025-04-18 12:30 am | S | 25 | 27 | - | - | - | - | - | - | 58.5 | - | 43.3 | - | - | - |
| 2025-04-18 12:20 am | S | 26 | 27 | - | - | - | - | - | - | 58.5 | - | 43.2 | - | - | - |
| 2025-04-18 12:10 am | S | 28 | 30 | - | - | - | - | - | - | 58.8 | - | 43.0 | - | - | - |
| 2025-04-18 12:00 am | S | 29 | 33 | - | - | - | - | - | - | 58.5 | - | 43.2 | - | - | - |
| 2025-04-17 11:50 pm | S | 28 | 30 | - | - | - | - | - | - | 58.1 | - | 43.2 | - | - | - |
Links which are specific to this station are listed below:
Real Time Data in tabular form for the last forty-five days.
Historical Data & Climatic Summaries for quality controlled data for prior months and years.
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