condition mean min max 0 h after light 1641.73 1571.29 1712.17 2 h after light 2078.76 1975.47 2182.05 4 h after light 1952.935 1928.91 1976.96 8 h after light 1823.2 1678.66 1967.74 12 h after light 1307.0 1183.32 1430.68 2 h after dark 1399.78 1203.95 1595.61 4 h after dark 1329.32 1216.27 1442.37 8 h after dark 1025.644 941.318 1109.97 12 h after dark 1299.52 1230.38 1368.66