condition mean min max 0 h after light 0.137627 0.132555 0.142699 2 h after light 0.0 0.0 0.0 4 h after light 0.067343 0.0 0.134686 8 h after light 0.1366345 0.136375 0.136894 12 h after light 0.066566 0.0 0.133132 2 h after dark 0.0 0.0 0.0 4 h after dark 0.1298115 0.127402 0.132221 8 h after dark 0.0 0.0 0.0 12 h after dark 0.1387875 0.13608 0.141495