condition mean min max 4 h after light 0.10743794999999999 0.0843939 0.130482 8 h after light 0.1715585 0.142497 0.20062 12 h after light 0.1341995 0.129884 0.138515 4 h after dark 0.24428366666666668 0.125692 0.330008 8 h after dark 0.619463 0.304485 0.944869 12 h after dark 0.0652665 0.0 0.106296