condition mean min max 0 h after light 0.1215235 0.121415 0.121632 4 h after light 0.24542450000000002 0.119709 0.37114 8 h after light 0.18278650000000002 0.180183 0.18539 4 h after dark 0.1192455 0.0 0.238491 8 h after dark 0.0899362 0.0602934 0.119579 12 h after dark 0.11927155 0.0606261 0.177917