condition mean min max 4 h after light 2270.2 2270.2 2270.2 8 h after light 2556.6000000000004 2332.4 2780.8 12 h after light 2272.1000000000004 2053.9 2490.3 4 h after dark 1921.3000000000002 1731.8 2110.8 8 h after dark 1541.05 1492.3 1589.8 12 h after dark 1279.1 1244.7 1313.5