condition mean min max 4 h after light 117.6 117.6 117.6 8 h after light 144.35000000000002 106.4 182.3 12 h after light 147.25 143.0 151.5 4 h after dark 162.0 131.9 192.1 8 h after dark 142.39999999999998 134.1 150.7 12 h after dark 147.35 138.1 156.6