condition mean min max 0 h after light 0.7348939999999999 0.652592 0.817196 4 h after light 1.5523349999999998 1.49612 1.60855 8 h after light 1.605235 0.96846 2.24201 4 h after dark 1.6856 1.60865 1.76255 8 h after dark 1.0079755 0.891191 1.12476 12 h after dark 0.920871 0.407322 1.43442