condition mean min max 0 h after light 3.745705 2.99001 4.5014 2 h after light 5.034665 4.40859 5.66074 4 h after light 5.79481 5.06958 6.52004 8 h after light 10.317084999999999 9.95197 10.6822 12 h after light 16.0477 15.7428 16.3526 2 h after dark 18.2868 15.7762 20.7974 4 h after dark 13.62605 11.9667 15.2854 8 h after dark 8.895389999999999 6.57118 11.2196 12 h after dark 5.029545 4.12951 5.92958