condition mean min max 4 h after light 3564.975 3161.527 3837.445 8 h after light 3179.485 2796.742 3617.178 12 h after light 2503.624333333333 1589.1770000000001 3626.208 16 h after light 3828.914 2879.559 4614.744000000001 4 h after dark 4691.587 4103.26 5024.416 8 h after dark 3068.6373333333336 2306.765 3807.5890000000004