condition mean min max 3 h after light 31.590033333333334 27.1321 37.5774 6 h after light 35.327 33.631 36.7488 9 h after light 29.776333333333334 29.5184 29.9209 12 h after light 26.164450000000002 24.3741 29.5774 3 h after dark 23.612433333333332 20.993 27.1485 6 h after dark 23.0988 22.4574 23.9202 9 h after dark 23.5928 23.2845 24.0593 12 h after dark 22.139400000000002 21.3302 22.9486