condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.02827055 0.0 0.0565411 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.036895333333333336 0.0 0.110686 12 h after dark 0.0 0.0 0.0