condition mean min max 0 h after light 19.64329 9.83478 29.4518 4 h after light 0.0 0.0 0.0 8 h after light 4.99669 0.0 9.99338 4 h after dark 4.839955 0.0 9.67991 8 h after dark 14.584644999999998 9.66879 19.5005 12 h after dark 24.29665 19.1811 29.4122