condition mean min max 4 h after light 7.090725 4.75169 9.42976 8 h after light 1.28901 0.0 2.57802 12 h after light 8.203955 7.05276 9.35515 4 h after dark 4.12449 2.08452 6.16446 8 h after dark 4.0916999999999994 2.05945 6.12395 12 h after dark 3.89482 1.70706 6.08258