condition mean min max 1 h after light 2.838377666 1.941797466 3.695018024 3 h after light 2.0937616576666667 1.762144086 2.523961037 5 h after light 2.3666387743333335 2.250677886 2.530656627 7 h after light 2.356604426 1.84064401 2.951615723 9 h after light 1.774475849 1.172413348 2.354032194 11 h after light 1.71688802 1.37045783 2.395417853 13 h after light 2.170751232333333 1.744944815 2.72764341 15 h after light 1.9307883633333334 1.685543946 2.348330713 1 h after dark 2.206713906 1.874216682 2.673821353 3 h after dark 2.103505617333333 1.534846385 2.443068315 5 h after dark 3.0536978219999997 2.367185867 3.481031815 7 h after dark 2.6707387959999997 2.069695416 2.988950703