condition mean min max 0 h after light 9.6417 8.302 10.9814 4 h after light 10.9488 10.7283 11.1693 8 h after light 12.37355 12.3072 12.4399 4 h after dark 11.780149999999999 11.0034 12.5569 8 h after dark 11.3232 10.4785 12.1679 12 h after dark 10.02298 9.33726 10.7087