condition mean min max 0 h after light 228.7285 223.07 234.387 4 h after light 77.3006 63.4237 91.1775 8 h after light 61.4382 54.9186 67.9578 4 h after dark 134.4135 134.038 134.789 8 h after dark 96.788 95.6022 97.9738 12 h after dark 124.07140000000001 87.2608 160.882