condition mean min max 3 h after light 20.968033333333334 19.7965 22.5953 6 h after light 18.522 15.1387 20.8248 9 h after light 19.973733333333335 18.4507 22.6265 12 h after light 44.028625 20.7468 98.2353 3 h after dark 30.238033333333334 28.0461 31.9254 6 h after dark 52.1455 45.8094 58.5105 9 h after dark 58.856633333333335 50.1301 69.7288 12 h after dark 93.31155 90.3808 96.2423