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 0.02561675 0.0 0.0512335 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0269047 0.0 0.0538094 4 h after dark 0.0 0.0 0.0 8 h after dark 0.02834635 0.0 0.0566927 12 h after dark 0.0 0.0 0.0