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 0.0 0.0 0.0 8 h after light 0.27379 0.0 0.54758 12 h after light 0.53456 0.0 1.06912 2 h after dark 0.297878 0.0 0.595756 4 h after dark 0.76733 0.0 1.53466 8 h after dark 0.59865 0.0 1.1973 12 h after dark 0.0 0.0 0.0