condition mean min max 4 h after light 797.9168540000001 591.005359 1004.828349 8 h after light 714.432674 642.857299 786.008049 12 h after light 612.8069575 424.121677 801.492238 4 h after dark 1141.1179425 810.155134 1472.080751 8 h after dark 674.0253765 618.385903 729.66485 12 h after dark 2060.723035 2060.723035 2060.723035