condition mean min max 0 h after light 0.3507455 0.0 0.701491 2 h after light 0.0 0.0 0.0 4 h after light 0.3310495 0.0 0.662099 8 h after light 0.335201 0.0 0.670402 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0