condition mean min max 4 h after light 135.8573055 122.911154 148.803457 8 h after light 146.483631 142.525824 150.441438 12 h after light 131.725257 117.924365 145.526149 4 h after dark 156.31315949999998 140.689165 171.937154 8 h after dark 151.26583449999998 148.537141 153.994528 12 h after dark 144.626938 144.626938 144.626938