condition mean min max 4 h after light 960.6461111333333 910.9566667 1000.725 8 h after light 1378.1549999 986.8866667 1602.693333 12 h after light 1505.048889 1162.49 1691.68 1.5 h after dark 1647.501111 1261.51 1940.46 5.5 h after dark 1440.1088889999999 1209.646667 1651.12 9.5 h after dark 1121.9244442333334 988.4766667 1370.913333