condition mean min max 0 h after light 1.3328385 0.889617 1.77606 4 h after light 1.637345 1.08581 2.18888 8 h after light 0.7996015 0.632774 0.966429 4 h after dark 1.310825 1.30824 1.31341 8 h after dark 1.4941900000000001 1.22444 1.76394 12 h after dark 0.529206 0.260257 0.798155