condition mean min max 0 h after light 6.753385 4.8139 8.69287 2 h after light 3.548505 1.86676 5.23025 4 h after light 4.881114999999999 4.87095 4.89128 8 h after light 12.8803 10.2637 15.4969 12 h after light 9.93995 8.8899 10.99 2 h after dark 15.19995 14.253 16.1469 4 h after dark 20.425849999999997 17.4624 23.3893 8 h after dark 16.291 16.2436 16.3384 12 h after dark 7.766195 5.96738 9.56501