condition mean min max 4 h after light 609.5656 584.1327 649.7534 8 h after light 138.46773666666667 85.87980999999999 200.4419 12 h after light 177.47876666666667 126.8847 257.7692 16 h after light 598.3703 410.4052 937.9639 4 h after dark 466.287 283.1285 589.0969 8 h after dark 428.3863333333333 374.449 503.3934