condition mean min max 4 h after light 1043.5588333333333 957.0875 1153.673 8 h after light 1099.3109 748.6217 1412.11 12 h after light 821.7225999999999 601.3979 1141.485 16 h after light 1312.7537 958.8281 1766.525 4 h after dark 1313.0066666666667 1077.297 1433.622 8 h after dark 847.2421 695.0094 1005.443