condition mean min max 4 h after light 953.2011666666667 911.4964 995.9066 8 h after light 912.6537 766.5886 1037.118 12 h after light 552.3468666666666 497.2948 618.3226 16 h after light 849.3121 744.2541 1002.5110000000001 4 h after dark 1335.6363333333334 1224.626 1529.1229999999998 8 h after dark 796.6088 681.9935 912.8332