condition mean min max 4 h after light 2838.4 2838.4 2838.4 8 h after light 2609.25 2136.1 3082.4 12 h after light 1625.8 1186.5 2065.1 4 h after dark 1671.5500000000002 1115.7 2227.4 8 h after dark 2262.25 2222.7 2301.8 12 h after dark 2623.55 2204.9 3042.2