condition mean min max 4 h after light 315.91972599999997 291.462826 340.376626 8 h after light 268.99689950000004 263.429384 274.564415 12 h after light 319.22123750000003 310.141986 328.300489 4 h after dark 294.27021249999996 278.435932 310.104493 8 h after dark 280.90475 246.038982 315.770518 12 h after dark 370.847673 370.847673 370.847673