condition mean min max 0 h after light 6.775535 6.6383 6.91277 2 h after light 5.889175 4.52033 7.25802 4 h after light 7.177099999999999 6.50707 7.84713 8 h after light 9.79413 9.7233 9.86496 12 h after light 12.50045 12.233 12.7679 2 h after dark 12.693349999999999 11.8371 13.5496 4 h after dark 10.404499999999999 10.3003 10.5087 8 h after dark 10.476099999999999 9.5162 11.436 12 h after dark 8.152945 8.06201 8.24388