condition mean min max 4 h after light 0.7749349999999999 0.66128 0.88859 8 h after light 0.94706 0.929916 0.964204 12 h after light 1.29158 1.11771 1.46545 4 h after dark 1.77254 1.59175 1.95333 8 h after dark 1.7977949999999998 1.686 1.90959 12 h after dark 1.46328 1.40993 1.51663