The SPARC water vapour assessment II: profile-to-profile comparisons of stratospheric and lower mesospheric water vapour data sets obtained from satellites by Lossow, S, Khosrawi, F, Kiefer, M, Walker, K, Bertaux, J, Blanot, L, Russell, J, Remsberg, E, Gille, J, Sugita, T, Sioris, C, Dinelli, B, Papandrea, E, Raspollini, P, García-Comas, M, Stiller, G, Von Clarmann, T, Dudhia, A, Read, W, Nedoluha, G, Damadeo, R, Zawodny, J, Weigel, K, Rozanov, A, Azam, F, Bramstedt, K, Noel, S, Burrows, J, Sagawa, H, Kasai, Y, Urban, J, Eriksson, P, Murtagh, D, Hervig, M, Högberg, C, Hurst, D, Rosenlof, K