condition mean min max 0 h after light 2.355055 1.99952 2.71059 2 h after light 1.0834065 0.831433 1.33538 4 h after light 1.64039 1.42968 1.8511 8 h after light 3.778085 3.51809 4.03808 12 h after light 3.808825 3.64455 3.9731 2 h after dark 3.891265 3.39862 4.38391 4 h after dark 2.95702 2.81151 3.10253 8 h after dark 4.498855 3.33358 5.66413 12 h after dark 2.46761 1.81817 3.11705