condition mean min max 0 h after light 1.61742 1.49157 1.74327 4 h after light 3.3049749999999998 3.06376 3.54619 8 h after light 3.1749099999999997 2.7836 3.56622 4 h after dark 4.03622 3.92186 4.15058 8 h after dark 3.7466299999999997 3.08623 4.40703 12 h after dark 3.851975 2.48261 5.22134