condition mean min max 0 h after light 74.24674999999999 68.2708 80.2227 4 h after light 51.3778 49.441 53.3146 8 h after light 24.61495 22.0262 27.2037 4 h after dark 37.8927 31.9385 43.8469 8 h after dark 61.6129 57.2565 65.9693 12 h after dark 75.631 67.7957 83.4663