condition mean min max 1 h after light 9.2334526125 8.414741575 10.05216365 3 h after light 9.863482763333334 9.13042741 10.46336398 5 h after light 9.274366535666667 8.507306713 10.15304723 7 h after light 8.911060429333334 8.487586647 9.36817487 9 h after light 9.140506066666667 8.764936049 9.478887731 11 h after light 8.705590674 7.519096985 9.729689329 13 h after light 8.955912847333334 7.942378109 9.852945079 15 h after light 10.114539167666667 9.484999315 11.32595504 1 h after dark 10.122071578 9.981797154 10.28950491 3 h after dark 9.761891887666668 8.453225683 10.98774068 5 h after dark 9.676548945666667 9.424492724 9.916183319 7 h after dark 9.627901954 8.719328135 10.7110454