condition mean min max 4 h after light 345.209815 312.701515 377.718115 8 h after light 329.36938899999996 322.539749 336.199029 12 h after light 383.116331 375.464322 390.76834 4 h after dark 494.085958 406.6465 581.525416 8 h after dark 453.858431 421.924364 485.792498 12 h after dark 401.406555 401.406555 401.406555