condition mean min max 4 h after light 37.393445 32.416419 42.370471 8 h after light 35.4827755 31.20535 39.760201 12 h after light 43.533548499999995 38.822224 48.244873 4 h after dark 47.4327655 41.145423 53.720108 8 h after dark 45.429269000000005 43.83531 47.023228 12 h after dark 57.783549 57.783549 57.783549