Lakes month ticks J: GI [106]; F: GE [109]; M: GI, RN, GE [120]; A: YC, WG, WL, WM [135]; M: WA, WL, GI, MU [118]; Jn: WA, YG [111]; Jl: WL [110]; A: PF [116]; S: GP, PE [119]; O: WC, GE [110]; N: SC, KT, RN, LS, GP, BS [112], D: GE, GP, RN [105]