condition mean min max 3 h after light 0.971112 0.868115 1.0947 6 h after light 1.2005 1.14699 1.23573 9 h after light 3.4281466666666667 2.3941 5.33215 12 h after light 3.9138375 1.6911 5.3227 3 h after dark 5.529696666666666 4.98351 5.96606 6 h after dark 4.102086666666667 3.52945 4.46834 9 h after dark 1.98298 1.1448 2.97891 12 h after dark 1.275327 0.969304 1.58135