-------------------------------------------------- GLERL Lake Meteorological Data (LMD) Format -------------------------------------------------- yyyyjjjhhmmTiiiiiiiilf aaa.a eee.e ddd ss.s gg.g ccc rrrr.r bbbb.b tt.t ww.w pp.p [nn.nn oo.oo] ------- -------- ----------- Field Position Description ------- -------- ----------- yyyy 1-4 Year of observation jjj 5-7 Day of year (zero fill, i3.3) hh 8-9 Hour (GMT) (zero fill, i2.2) mm 10-11 Minute (zero fill, i2.2) T 12 Station type: 0 = Buoy 1 = CMAN station 2 = U.S. Coast Guard station 3 = Ship report 4 = OMR (Other Marine Reports) station 5 = Surface Synoptic station 6 = Surface Airways station 9 = GLERL met station blank = unknown or not specified iiiiiiii 13-20 Unique Station ID code (8 characters, left justified) l 21 Lake number: 0 = Superior 1 = Michigan 2 = Huron 3 = St. Clair 4 = Erie 5 = Ontario 6 = Georgian Bay blank = unknown or not specified f 22 Data Format (GLMON/LMD): 9 = Lake Meteorological Data (LMD) Format aaa.a 24-28 Air temperature (degrees Centigrade) eee.e 30-34 Dew point (degrees Centigrade) ddd 36-38 Wind direction (degrees from, 0=north, 90=east) ss.s 40-43 Wind speed (meters/second) gg.g 45-48 Maximum wind gust (meters/second) ccc 50-53 Cloud cover (percent) rrrr.r 54-59 Solar Radiation (watts/meter**2) bbbb.b 61-66 Barometric pressure (millibars) tt.t 68-71 Water temperature (degrees Centigrade) ww.w 73-76 Significant Wave height (meters) pp.p 78-81 Wave period (seconds) ------------------------------------------------------------ The following fields are present for ship observations only: ------------------------------------------------------------ nn.nn 83-87 North Latitude (Decimal degrees) oo.oo 89-93 West Longitude (Decimal degrees) ------------------------------------------------ MISSING DATA ARE INDICATED BY "9" IN ALL DIGITS ------------------------------------------------