condition mean min max 0 h after light 0.4539455 0.221633 0.686258 2 h after light 0.17601885 0.0770467 0.274991 4 h after light 0.136998 0.134538 0.139458 8 h after light 0.5306005 0.494223 0.566978 12 h after light 0.9916525 0.964945 1.01836 2 h after dark 1.208895 1.07541 1.34238 4 h after dark 1.17423 1.09525 1.25321 8 h after dark 0.758127 0.744371 0.771883 12 h after dark 0.825605 0.805799 0.845411