condition mean min max 0 h after light 50.67915 48.0027 53.3556 2 h after light 23.1789 22.2407 24.1171 4 h after light 22.7398 22.0704 23.4092 8 h after light 19.2974 19.137 19.4578 12 h after light 21.22855 20.1284 22.3287 2 h after dark 22.9613 21.0893 24.8333 4 h after dark 36.3942 34.6026 38.1858 8 h after dark 57.2479 53.8899 60.6059 12 h after dark 52.484700000000004 51.6246 53.3448