condition mean min max 2 h after light 1.7387888333333335 0.413025 4.17579 6 h after light 3.004035 0.33356 5.80138 10 h after light 5.651191666666667 0.0 13.0434 14 h after light 10.403673333333334 1.39332 31.9957 18 h after light 5.4043575 0.574765 14.4148 2 h after dark 1.189583 0.0 3.30951