condition mean min max 4 h after light 0.6768185 0.572912 0.780725 8 h after light 0.8903605 0.768651 1.01207 12 h after light 1.5953955 0.136631 3.05416 4 h after dark 0.432242 0.342592 0.521892 8 h after dark 5.9110949999999995 4.75554 7.06665 12 h after dark 3.3487500000000003 1.74239 4.95511