condition mean min max 3 h after light 6.033956666666667 0.0 10.7431 6 h after light 1.62045 0.0 4.86135 9 h after light 3.05987 0.0 4.81555 12 h after light 6.909445 0.0 10.0265 3 h after dark 1.8437066666666666 0.0 5.53112 6 h after dark 6.85986 0.0 11.0225 9 h after dark 22.426863333333333 5.03739 50.0529 12 h after dark 8.53025 0.0 17.0605