condition mean min max 3 h after light 49.8791 45.5628 53.1009 6 h after light 45.5035 35.168 55.6614 9 h after light 53.55193333333334 50.5429 57.7554 12 h after light 55.196375 29.606 65.6001 3 h after dark 53.9871 40.8595 61.3173 6 h after dark 37.391666666666666 32.5991 43.2785 9 h after dark 30.253933333333332 28.6023 33.1135 12 h after dark 30.0013 28.7675 31.2351