condition mean min max 4 h after light 287.49757 270.385903 304.609237 8 h after light 197.988832 192.539749 203.437915 12 h after light 221.1217315 179.85756 262.385903 4 h after dark 166.85699749999998 165.866664 167.847331 8 h after dark 145.739948 126.462826 165.01707 12 h after dark 295.026978 295.026978 295.026978