condition mean min max 4 h after light 166.133583 90.459958 241.807208 8 h after light 243.841387 140.349409 347.333365 12 h after light 151.8193285 113.040328 190.598329 4 h after dark 393.580373 177.695004 609.465742 8 h after dark 199.1396115 148.816397 249.462826 12 h after dark 260.511729 260.511729 260.511729