condition mean min max 4 h after light 4.8749 3.82918 5.80257 8 h after light 5.588283333333334 2.06945 8.07013 12 h after light 7.63902 4.01954 12.0927 4 h after dark 9.55339 7.52639 11.3409 8 h after dark 6.629123333333333 5.84509 7.03978 12 h after dark 4.423136666666666 3.81484 4.82573