condition mean min max 0 h after light 6.96 6.24595 7.67405 2 h after light 8.57892 8.38436 8.77348 4 h after light 7.463925 6.78796 8.13989 8 h after light 5.9292549999999995 5.11826 6.74025 12 h after light 9.856864999999999 8.86423 10.8495 2 h after dark 9.49486 8.80672 10.183 4 h after dark 7.504265 7.17831 7.83022 8 h after dark 9.017130000000002 8.94724 9.08702 12 h after dark 6.9668399999999995 6.7954 7.13828