condition mean min max 4 h after light 164.2 164.2 164.2 8 h after light 224.2 206.7 241.7 12 h after light 281.0 227.2 334.8 4 h after dark 386.55 267.1 506.0 8 h after dark 204.75 188.0 221.5 12 h after dark 151.05 132.6 169.5