LOCATIONS SUBMITTING DATA FOR 1992 State Location Code Colorado Fort Collins CO1 District of Columbia Washington Monument Grounds DC1 Idaho Post Falls ID2 Idaho Rathdrum ID3 Illinois Urbana IL1 Illinois Carbondale IL2 Iowa Ames IA1 Kansas Wichita KS2 Kentucky Lexington KY1 Maryland Beltsville UB1 Maryland Silver Spring MD1 Michigan East Lansing MI1 Nebraska Lincoln NE1 New Jersey North Brunswick NJ1 New Jersey Adelphia NJ2 New Jersey Martinsville NJ3 Ohio Marysville OH1 Oregon Hubbard (30-40% Shade) OR7 Oregon Summary of data collected at OR9 Corvallis, Halsey, Hubbard, Gervais Rhode Island Kingston RI1 Virginia Blacksburg VA1 Washington Pullman WA1 Washington Puyallup WA3