condition mean min max 3 h after light 2.5215 1.61279 3.07942 6 h after light 2.9130599999999998 1.08568 4.67075 9 h after light 2.6420833333333333 1.96545 3.35825 12 h after light 3.3186572500000002 0.937329 4.47093 3 h after dark 2.7178 2.49118 3.15534 6 h after dark 1.7990979999999999 0.950534 2.2956 9 h after dark 2.4218633333333335 1.51247 3.43504 12 h after dark 1.700545 1.4802 1.92089