condition mean min max 4 h after light 195.4 195.4 195.4 8 h after light 246.25 231.7 260.8 12 h after light 357.55 272.6 442.5 4 h after dark 397.35 368.6 426.1 8 h after dark 316.79999999999995 275.7 357.9 12 h after dark 224.05 179.3 268.8