condition mean min max 4 h after light 240.770604 201.795824 279.745384 8 h after light 275.3957745 272.112067 278.679482 12 h after light 336.138817 271.476867 400.800767 4 h after dark 383.1147475 332.766669 433.462826 8 h after dark 402.512495 331.385903 473.639087 12 h after dark 284.593701 284.593701 284.593701