condition mean min max 4 h after light 1042.9 1042.9 1042.9 8 h after light 1351.1 1071.6 1630.6 12 h after light 2287.7 1521.2 3054.2 4 h after dark 1683.6999999999998 972.3 2395.1 8 h after dark 927.55 904.7 950.4 12 h after dark 884.7 807.2 962.2