condition mean min max 1 h after light 7.759885846 7.759885846 7.759885846 3 h after light 7.9276137905 7.6422264779999995 8.213001103 5 h after light 4.8918690190000005 4.298638341 5.485099697000001 7 h after light 8.378153035 6.30163563 10.45467044 9 h after light 9.021646002499999 8.401169572999999 9.642122432 11 h after light 9.779939383999999 7.444162358 12.11571641 1 h after dark 7.469931358499999 6.4146952079999995 8.525167509 3 h after dark 6.815299947 6.507416869 7.123183025 5 h after dark 8.1857913015 8.002852183 8.36873042 7 h after dark 12.1530878695 9.278466729 15.02770901 9 h after dark 14.707019930000001 13.51770055 15.89633931 11 h after dark 15.403315195 15.317502 15.48912839