condition mean min max 3 h after light 2.4693899999999998 1.58905 3.11463 6 h after light 3.6220933333333334 1.76682 5.34032 9 h after light 2.8404933333333333 1.8594 4.04822 12 h after light 0.84188375 0.498884 1.24167 3 h after dark 0.40910566666666665 0.0 0.642721 6 h after dark 0.0 0.0 0.0 9 h after dark 0.202512 0.0 0.607536 12 h after dark 0.738089 0.544996 0.931182