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 0.0 0.0 0.0 12 h after light 0.114051 0.0 0.228102 2 h after dark 0.1271075 0.0 0.254215 4 h after dark 0.1678425 0.109143 0.226542 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0