condition mean min max 0 h after light 1000.865 992.02 1009.71 2 h after light 1049.745 1049.68 1049.81 4 h after light 961.3779999999999 959.103 963.653 8 h after light 967.797 933.704 1001.89 12 h after light 1197.415 1170.53 1224.3 2 h after dark 1231.9 1127.52 1336.28 4 h after dark 1475.97 1447.56 1504.38 8 h after dark 1241.565 1164.77 1318.36 12 h after dark 984.2484999999999 968.107 1000.39