condition mean min max 0 h after light 7.786375 7.20385 8.3689 2 h after light 2.43126 1.91364 2.94888 4 h after light 3.09413 2.91142 3.27684 8 h after light 5.04759 4.81347 5.28171 12 h after light 2.729655 2.04454 3.41477 2 h after dark 3.65111 3.34801 3.95421 4 h after dark 5.80146 5.16372 6.4392 8 h after dark 7.580275 7.52004 7.64051 12 h after dark 10.63585 10.3014 10.9703