condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.04068575 0.0 0.0813715 4 h after light 0.0 0.0 0.0 8 h after light 0.0748505 0.0 0.149701 12 h after light 0.11415985000000001 0.0827327 0.145587 2 h after dark 0.081127 0.0 0.162254 4 h after dark 0.0348304 0.0 0.0696608 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0