condition mean min max 3 h after light 5.635564841666667 0.0981601 13.9711 7 h after light 3.92329825 0.174254 8.48958 11 h after light 5.357458666666666 0.269433 11.0749 2 h after dark 6.872178333333333 0.445715 16.3492 6 h after dark 6.7852725000000005 0.470532 15.4153 10 h after dark 6.66638425 0.28861 17.7052