condition mean min max 0 h after light 3.762525 3.05886 4.46619 4 h after light 0.36246849999999997 0.185743 0.539194 8 h after light 0.7853895 0.225439 1.34534 4 h after dark 0.8973005000000001 0.716141 1.07846 8 h after dark 0.990665 0.76946 1.21187 12 h after dark 1.788807 0.801374 2.77624