condition mean min max 2 h after light 0.0230325 0.0 0.138195 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.07036933333333333 0.0 0.293807 18 h after light 0.0159292 0.0 0.0955752 2 h after dark 0.025380833333333335 0.0 0.152285