condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.01791965 0.0 0.0358393 8 h after light 0.0 0.0 0.0 12 h after light 0.01836065 0.0 0.0367213 2 h after dark 0.0188206 0.0 0.0376412 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.01951405 0.0 0.0390281