condition mean min max 3 h after light 1.8789233333333333 1.4186 2.31027 6 h after light 2.25538 1.15349 3.14563 9 h after light 3.3305066666666665 2.39862 4.18136 12 h after light 2.9109499999999997 2.32964 3.51638 3 h after dark 3.23608 2.17557 4.73409 6 h after dark 1.9875533333333333 1.53226 2.41387 9 h after dark 2.593 1.31622 4.49195 12 h after dark 1.14933 1.04072 1.30563