condition mean min max 0 h after light 1.5434 1.32157 1.76523 4 h after light 2.028755 1.23436 2.82315 8 h after light 5.858175 5.77473 5.94162 4 h after dark 2.329975 2.28038 2.37957 8 h after dark 2.3967349999999996 2.27776 2.51571 12 h after dark 1.411805 1.20981 1.6138