condition mean min max 3 h after light 2.8503600000000002 2.01357 3.40266 6 h after light 1.5696233333333334 1.21846 1.88403 9 h after light 1.49583 1.38628 1.62381 12 h after light 1.109545 0.745541 1.59654 3 h after dark 2.28544 1.76236 2.8799 6 h after dark 2.1101833333333335 1.35124 2.94915 9 h after dark 2.94653 2.48057 3.24153 12 h after dark 2.16198 1.86854 2.35364