condition mean min max 4 h after light 173.78013333333334 168.0691 182.9255 8 h after light 190.23590000000002 145.8331 243.2733 12 h after light 292.1407 257.2005 322.6877 16 h after light 359.8867 310.375 452.2368 4 h after dark 448.5075 400.8354 523.5142 8 h after dark 241.13973333333334 205.6309 307.5845