condition mean min max 4 h after light 328.1 328.1 328.1 8 h after light 327.75 310.2 345.3 12 h after light 269.15 189.3 349.0 4 h after dark 143.25 89.7 196.8 8 h after dark 75.0 66.6 83.4 12 h after dark 64.19999999999999 41.8 86.6