condition mean min max 4 h after light 148.6 148.6 148.6 8 h after light 212.55 169.6 255.5 12 h after light 212.15 200.9 223.4 4 h after dark 268.65 218.4 318.9 8 h after dark 260.5 255.3 265.7 12 h after dark 204.35000000000002 186.4 222.3