condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 1.06939 0.0 2.13878 4 h after light 0.751405 0.0 1.50281 8 h after light 0.0 0.0 0.0 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 1.019485 0.0 2.03897 12 h after dark 0.0 0.0 0.0