condition mean min max 3 h after light 18.486033333333335 14.0638 24.6689 6 h after light 16.885566666666666 13.7702 20.802 9 h after light 18.2747 14.9201 22.9926 12 h after light 22.120375 17.2284 28.0452 3 h after dark 70.0667 60.7612 86.6434 6 h after dark 37.808499999999995 29.7388 44.1731 9 h after dark 28.3473 24.8272 30.4533 12 h after dark 24.4307 23.5016 25.3598