condition mean min max 4 h after light 123.518475 111.171246 135.865704 8 h after light 121.4543555 112.345337 130.563374 12 h after light 135.11146300000001 123.683177 146.539749 4 h after dark 115.5530195 102.281846 128.824193 8 h after dark 129.383204 111.479812 147.286596 12 h after dark 94.088364 94.088364 94.088364