condition mean min max 4 h after light 1109.3227779 987.9566667 1213.726667 8 h after light 1191.69 1055.78 1401.176667 12 h after light 1199.176667 1019.506667 1488.366667 1.5 h after dark 1275.5133333333333 1204.9 1358.463333 5.5 h after dark 1363.301111 1289.206667 1497.013333 9.5 h after dark 1109.1255556666665 1013.38 1249.86