condition mean min max 0 h after light 0.019553840000000003 0.00615348 0.0329542 2 h after light 0.0 0.0 0.0 4 h after light 0.0063314 0.0 0.0126628 8 h after light 0.00317576 0.0 0.00635152 12 h after light 0.071570115 0.00591823 0.137222 2 h after dark 0.07401395000000001 0.0134689 0.134559 4 h after dark 0.017339515 0.00596063 0.0287184 8 h after dark 0.01415835 0.0 0.0283167 12 h after dark 0.014511699999999999 0.0119482 0.0170752