condition mean min max 1 h after light 7.1805719495 6.5142003729999995 7.8469435260000004 3 h after light 7.259802621333334 6.931285164 7.751525673 5 h after light 5.115416286333334 4.3383083110000005 5.886785846 7 h after light 5.368540605333333 4.965384981000001 5.666192801 9 h after light 6.1717825946666665 5.5913914039999995 6.802830601 11 h after light 5.70806519 4.3539338260000005 6.79383863 1 h after dark 5.618617140333333 3.943604769 7.903637299 3 h after dark 4.312727936333333 3.238792605 5.632713412999999 5 h after dark 3.7172510549999997 2.285687511 4.838367558 7 h after dark 2.6299177746666667 2.27629762 2.825801111 9 h after dark 2.8540502126666665 1.4942214040000001 4.489022992 11 h after dark 3.765852498 2.754200874 4.999104391