condition mean min max 4 h after light 0.9430563333333334 0.0 2.09437 8 h after light 1.4044096666666668 0.323059 2.17212 12 h after light 1.423142 0.762366 1.99867 4 h after dark 1.087164 0.631532 1.60274 8 h after dark 1.023021 0.700943 1.57829 12 h after dark 0.4183673333333333 0.0 0.885007