condition mean min max 4 h after light 131.1 131.1 131.1 8 h after light 141.95 96.3 187.6 12 h after light 148.25 118.9 177.6 4 h after dark 206.9 129.7 284.1 8 h after dark 187.45 133.0 241.9 12 h after dark 229.89999999999998 213.7 246.1