condition mean min max 4 h after light 34.376850000000005 32.7838 35.9699 8 h after light 11.0408 10.58 11.5016 12 h after light 5.55277 4.90684 6.1987 4 h after dark 10.010315 9.84013 10.1805 8 h after dark 15.43845 14.3674 16.5095 12 h after dark 20.46765 20.3273 20.608