condition mean min max 4 h after light 1475.0 1475.0 1475.0 8 h after light 1813.95 1237.5 2390.4 12 h after light 2908.55 2060.7 3756.4 4 h after dark 2561.8999999999996 1211.6 3912.2 8 h after dark 1396.25 1363.4 1429.1 12 h after dark 1091.2 848.5 1333.9