condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.26095966666666665 0.0 0.490401 9 h after light 0.0 0.0 0.0 12 h after light 0.17570333333333335 0.0 0.305221 3 h after dark 0.0 0.0 0.0 6 h after dark 0.107636 0.0 0.322908 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0