condition mean min max 0 h after light 1.837385 1.66323 2.01154 2 h after light 0.484969 0.0 0.969938 4 h after light 0.1559915 0.0 0.311983 8 h after light 0.96337 0.0 1.92674 12 h after light 2.08603 2.05402 2.11804 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 2.22871 1.51773 2.93969 12 h after dark 0.87582 0.0 1.75164