condition mean min max 0 h after light 0.0296645 0.0 0.059329 2 h after light 0.091153 0.0 0.182306 4 h after light 0.092454 0.0 0.184908 8 h after light 0.0 0.0 0.0 12 h after light 0.01572725 0.0 0.0314545 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0874545 0.0 0.174909 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0