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Realtime Great Lakes Weather Data and Marine Observations


CNII2: NWS Northerly Is IL                                  
CMAN Station
Lat: 41.86°, Lon: -87.61°
Elevation: 180 m
Anemometer Height: 10 m
Related Site: NDBC
Station Types
(Click on name to view all stations for that type)
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Red MarkerCMAN & USCG Stations
Yellow MarkerShip Reports
Green MarkerSurface Airways Stations

  Change Units to: English | Metric
 Enter New DOY (001-366):  Or Today (339)
 (See also Tables for determining DOY for a given date)
View multiple days of data for this station:
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Year (4-digits):   First Day (001-366):   Last Day (001-366):  
Additional Data Archive: NDBC Historical Data

Metadata | Description of Measurements (NDBC)
All 9s in field = missing data
                                       Change Units to English | Metric
                         AIR   DEW WND  WND  WND CLD SOLAR   BAR    WAT  WAV  WAV   N     W     -------GMT-              TMP   PT  DIR  SPD  GST CVR  RAD    PRES   TMP  HGT  PER  LAT   LON    YYYYDDDHHMM#ID            C     C  Deg  m/s  m/s  %   W/m2    mb     C    m    s  d.deg d.deg    202531800001CNII2 19 10.1 -1.7 170 1.0 2.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531800151CNII2 19 9.6 -0.1 150 1.5 2.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531800301CNII2 19 9.2 0.1 160 2.1 2.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531800451CNII2 19 9.2 0.4 160 2.1 2.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531801001CNII2 19 10.1 -0.8 160 3.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531801151CNII2 19 10.4 -0.2 180 3.6 99.9 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531801301CNII2 19 10.4 -0.2 190 3.6 99.9 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531801451CNII2 19 10.3 0.4 190 3.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531802001CNII2 19 10.1 0.1 200 3.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531802151CNII2 19 10.1 0.0 200 3.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531802301CNII2 19 10.2 0.2 180 3.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531802451CNII2 19 10.1 -0.1 200 2.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531803001CNII2 19 9.9 -0.1 190 1.5 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531803151CNII2 19 10.2 -0.2 200 1.5 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531803301CNII2 19 10.2 -0.5 160 3.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531803451CNII2 19 10.3 -0.5 190 4.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531804001CNII2 19 10.4 -0.3 200 3.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531804151CNII2 19 10.2 -0.6 200 3.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531804301CNII2 19 10.3 -0.5 200 3.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531804451CNII2 19 10.1 -0.7 200 4.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531805001CNII2 19 9.9 -0.9 190 4.1 5.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531805151CNII2 19 9.9 -1.1 190 3.1 5.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531805301CNII2 19 9.8 -1.1 170 3.1 5.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531805451CNII2 19 9.7 -1.3 190 3.6 5.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531806001CNII2 19 9.6 -1.3 200 3.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531806151CNII2 19 9.3 -1.6 190 3.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531806301CNII2 19 9.1 -2.1 200 2.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531806451CNII2 19 9.1 -1.6 180 2.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531807001CNII2 19 9.1 -2.1 180 3.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531807151CNII2 19 9.0 -2.2 180 2.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531807301CNII2 19 8.6 -2.2 180 1.5 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531807451CNII2 19 8.8 -2.2 180 3.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531808001CNII2 19 8.8 -2.2 190 3.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531808151CNII2 19 8.7 -2.2 190 2.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531808301CNII2 19 8.9 -2.7 200 3.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531808451CNII2 19 9.1 -2.3 190 3.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531809001CNII2 19 9.3 -2.0 200 1.5 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531809151CNII2 19 9.2 -2.1 240 1.0 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531809301CNII2 19 9.3 -2.0 220 2.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531809451CNII2 19 9.3 -1.3 220 2.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531810001CNII2 19 9.2 -1.7 230 1.5 3.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531810151CNII2 19 9.2 -1.6 230 2.1 3.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531810301CNII2 19 9.1 -1.3 190 2.1 3.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531810451CNII2 19 8.8 -1.4 230 2.6 3.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531811001CNII2 19 8.6 -0.9 200 2.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531811151CNII2 19 8.5 -1.0 220 3.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531811301CNII2 19 8.3 -1.1 210 3.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531811451CNII2 19 8.3 -0.7 200 2.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531812001CNII2 19 8.1 -0.7 240 3.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531812151CNII2 19 8.0 -0.2 210 3.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531812301CNII2 19 7.9 -0.2 220 4.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531812451CNII2 19 7.8 -0.2 230 4.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531813001CNII2 19 7.7 -0.2 240 4.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531813151CNII2 19 7.8 0.2 250 4.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531813301CNII2 19 8.0 0.5 250 4.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531813451CNII2 19 8.2 0.5 230 5.1 99.9 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531814001CNII2 19 8.4 0.7 210 3.1 6.2 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531814151CNII2 19 8.9 1.1 220 3.1 6.2 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531814301CNII2 19 9.4 1.1 260 4.6 6.2 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531814451CNII2 19 9.8 1.3 260 4.6 6.2 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531815001CNII2 19 10.0 1.5 240 4.1 6.2 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531815151CNII2 19 10.5 1.6 240 4.6 6.2 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531815301CNII2 19 11.2 1.9 240 3.1 6.2 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531815451CNII2 19 11.7 2.1 240 5.1 6.2 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531816001CNII2 19 12.2 2.4 240 4.1 6.2 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531816151CNII2 19 12.5 2.5 240 4.6 6.2 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531816301CNII2 19 13.1 2.8 230 4.1 6.2 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531816451CNII2 19 13.4 3.0 260 5.1 6.2 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531817001CNII2 19 13.9 3.4 250 3.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531817151CNII2 19 14.4 3.6 240 2.6 5.7 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531817301CNII2 19 14.7 3.8 240 3.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531817451CNII2 19 15.8 4.1 270 2.6 5.7 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531818001CNII2 19 16.3 4.1 170 3.6 6.2 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531818151CNII2 19 16.7 4.4 180 5.1 6.2 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531818301CNII2 19 16.6 4.7 200 4.1 6.2 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531818451CNII2 19 17.1 5.0 220 3.6 6.2 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531819001CNII2 19 17.8 5.3 200 4.6 5.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531819151CNII2 19 18.0 5.9 200 2.6 5.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531819301CNII2 19 18.4 6.7 200 3.6 5.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531819451CNII2 19 18.6 7.0 210 3.1 5.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531820001CNII2 19 19.2 7.1 180 1.5 5.7 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531820151CNII2 19 18.9 7.6 230 2.6 5.7 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531820301CNII2 19 19.2 7.9 220 2.1 5.7 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531820451CNII2 19 19.2 7.9 190 2.6 5.7 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531821001CNII2 19 19.2 8.2 190 2.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531821151CNII2 19 19.6 8.4 210 3.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531821301CNII2 19 19.4 8.5 200 3.6 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531821451CNII2 19 19.1 8.9 220 3.1 4.6 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531822001CNII2 19 18.7 9.1 200 3.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531822151CNII2 19 18.3 9.2 190 2.6 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531822301CNII2 19 18.2 9.4 190 2.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531822451CNII2 19 17.7 9.4 190 2.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531823001CNII2 19 17.5 9.4 210 2.1 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531823151CNII2 19 17.4 9.5 190 1.5 4.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99 202531823451CNII2 19 10.0 -1.2 160 1.0 3.1 999 9999.9 9999.9 99.9 99.9 99.9 99.99 99.99
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  [every 2nd value plotted]
95 matching elements
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