condition mean min max 4 h after light 4351.0 4351.0 4351.0 8 h after light 3621.8999999999996 2934.1 4309.7 12 h after light 2188.45 1392.0 2984.9 4 h after dark 1341.65 1090.7 1592.6 8 h after dark 1615.4 1137.0 2093.8 12 h after dark 3182.3500000000004 2245.9 4118.8