condition mean min max 4 h after light 10.65448 9.42976 11.8792 8 h after light 66.87360000000001 64.4505 69.2967 12 h after light 48.84 44.6675 53.0125 4 h after dark 42.361450000000005 33.3524 51.3705 8 h after dark 8.73452 4.08264 13.3864 12 h after dark 18.19225 14.1927 22.1918