condition mean min max 4 h after light 115.53200000000001 115.527 115.537 8 h after light 95.3414 88.4058 102.277 12 h after light 118.32050000000001 115.65 120.991 4 h after dark 146.246 140.906 149.268 8 h after dark 159.27366666666666 152.66 168.463 12 h after dark 138.04466666666667 133.581 146.497