condition mean min max 0 h after light 0.3167335 0.199968 0.433499 4 h after light 0.153312 0.103649 0.202975 8 h after light 0.0 0.0 0.0 4 h after dark 0.04631485 0.0 0.0926297 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0483767 0.0 0.0967534