condition mean min max 0 h after light 3.9805349999999997 3.83384 4.12723 2 h after light 5.03881 4.75199 5.32563 4 h after light 4.111055 3.76341 4.4587 8 h after light 3.6500950000000003 3.48958 3.81061 12 h after light 7.529615 7.04843 8.0108 2 h after dark 6.96547 6.03695 7.89399 4 h after dark 6.573885000000001 6.02796 7.11981 8 h after dark 5.76114 4.89689 6.62539 12 h after dark 5.105335 4.86972 5.34095