condition mean min max 4 h after light 7.39021 6.48699 8.01884 8 h after light 4.160293333333334 1.91865 6.88641 12 h after light 0.9532419999999999 0.641627 1.33164 4 h after dark 1.0489393333333334 0.900414 1.24937 8 h after dark 2.6055099999999998 1.46264 3.31121 12 h after dark 7.438136666666667 6.92071 7.72269