condition mean min max 2 h after light 1359.785 1063.94 1695.51 6 h after light 1191.6386666666667 938.512 1388.23 10 h after light 1231.8725 724.556 1485.52 14 h after light 1414.9336666666666 882.588 2251.7 18 h after light 1561.0116666666668 1238.3 1939.21 2 h after dark 1208.0235 821.969 1498.0