condition mean min max 4 h after light 80.77706666666667 32.1476 111.473 8 h after light 204.96210000000002 70.4823 304.535 12 h after light 480.108 312.554 656.525 4 h after dark 507.2873333333333 451.073 554.709 8 h after dark 227.41133333333335 183.056 286.843 12 h after dark 74.8285 61.5891 94.6476