condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.081598 0.0 0.163196 4 h after light 0.0 0.0 0.0 8 h after light 0.0841195 0.0 0.168239 12 h after light 0.0 0.0 0.0 2 h after dark 0.1677145 0.0 0.335429 4 h after dark 0.15953499999999998 0.156574 0.162496 8 h after dark 0.0883505 0.0 0.176701 12 h after dark 0.0 0.0 0.0