condition mean min max 2 h after light 948.817 451.216 1252.49 6 h after light 1259.7325 790.191 1551.4 10 h after light 1021.3031666666667 688.571 1436.13 14 h after light 1118.9661666666666 766.607 1388.26 18 h after light 1307.144 940.234 1789.23 2 h after dark 1087.9818333333333 661.74 1477.56