condition mean min max 0 h after light 34.65 34.6171 34.6829 4 h after light 53.69235 53.2163 54.1684 8 h after light 80.018 73.276 86.76 4 h after dark 101.24185 91.1677 111.316 8 h after dark 74.18405 73.7238 74.6443 12 h after dark 46.7478 38.7136 54.782