condition mean min max 0 h after light 1.22962 1.13526 1.32398 2 h after light 1.896715 1.35052 2.44291 4 h after light 1.22024 0.95053 1.48995 8 h after light 2.05936 1.70978 2.40894 12 h after light 6.863365 6.43739 7.28934 2 h after dark 5.781635 5.5273 6.03597 4 h after dark 4.061915 3.52345 4.60038 8 h after dark 3.057015 2.3942 3.71983 12 h after dark 1.347425 1.26232 1.43253