condition mean min max 2 h after light 6.65153 6.2301 7.03738 6 h after light 6.291986666666666 5.98938 6.8331 10 h after light 5.464123333333333 5.22474 5.75064 2 h after dark 4.906253333333334 4.64288 5.11798 6 h after dark 5.60331 5.35907 5.90517 10 h after dark 6.42375 6.25736 6.64539