condition mean min max 4 h after light 682.31 457.61 840.0466667 8 h after light 615.1172222333333 554.6866667 714.15 12 h after light 899.4055555333333 831.6233333 1000.13 1.5 h after dark 1236.2122219999999 1119.183333 1448.48 5.5 h after dark 1215.2900001 980.8533333 1402.57 9.5 h after dark 1067.4322222333333 861.8866667 1386.09