condition mean min max 4 h after light 4.21333 3.8458 4.58086 8 h after light 3.601535 2.8051 4.39797 12 h after light 4.798109999999999 4.26005 5.33617 4 h after dark 5.80372 5.13434 6.27262 8 h after dark 6.604636666666666 6.17721 7.32574 12 h after dark 5.170876666666667 4.45914 5.96939