condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.095478 0.0 0.190956 8 h after light 0.194087 0.0 0.388174 12 h after light 0.0 0.0 0.0 2 h after dark 0.193482 0.0 0.386964 4 h after dark 0.090315 0.0 0.18063 8 h after dark 0.1056915 0.0 0.211383 12 h after dark 0.0 0.0 0.0