condition mean min max 0 h after light 7.423495 6.92996 7.91703 2 h after light 2.704145 2.55022 2.85807 4 h after light 2.3972949999999997 2.29922 2.49537 8 h after light 2.22308 2.19086 2.2553 12 h after light 3.8548400000000003 3.83517 3.87451 2 h after dark 3.512265 3.16608 3.85845 4 h after dark 3.97998 3.95001 4.00995 8 h after dark 8.08748 7.8236 8.35136 12 h after dark 8.502915 8.07671 8.92912