condition mean min max 4 h after light 206.0 206.0 206.0 8 h after light 248.4 237.8 259.0 12 h after light 232.35000000000002 208.6 256.1 4 h after dark 185.75 180.5 191.0 8 h after dark 123.35000000000001 79.9 166.8 12 h after dark 168.8 157.3 180.3