condition mean min max 4 h after light 0.7412513333333334 0.454324 1.1888 8 h after light 0.776173 0.207349 1.10724 12 h after light 0.933798 0.536392 1.61154 4 h after dark 1.1252863333333334 0.824139 1.34156 8 h after dark 1.0347840000000001 0.62585 1.7292 12 h after dark 1.1441706666666667 0.949252 1.32692