condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 1.557925 1.46925 1.6466 4 h after light 0.0 0.0 0.0 8 h after light 0.757325 0.0 1.51465 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.731475 0.0 1.46295 8 h after dark 0.824815 0.0 1.64963 12 h after dark 0.75282 0.0 1.50564