condition mean min max 0 h after light 1023.8735 991.327 1056.42 4 h after light 566.5165 467.321 665.712 8 h after light 1279.7350000000001 1229.49 1329.98 4 h after dark 1680.48 1546.52 1814.44 8 h after dark 1315.625 1214.67 1416.58 12 h after dark 837.156 808.713 865.599