condition mean min max 4 h after light 1008.4128855000001 958.197929 1058.627842 8 h after light 1017.7601665 983.057507 1052.462826 12 h after light 1039.6229515 979.798682 1099.447221 4 h after dark 1047.9899065 899.000077 1196.979736 8 h after dark 794.5365810000001 471.331492 1117.74167 12 h after dark 851.512119 851.512119 851.512119