condition mean min max 4 h after light 3803.9 3803.9 3803.9 8 h after light 2622.7 1726.2 3519.2 12 h after light 924.35 319.7 1529.0 4 h after dark 204.75 153.1 256.4 8 h after dark 281.75 220.9 342.6 12 h after dark 1641.1499999999999 379.6 2902.7