Figure 2: Summary showing some of the widely spaced and diverse climate indices which experienced a distinct change of conditions between 1945-1969 versus more recent conditions during 1970-1994. The letters labeling each element in the figure keys it to one or more references as follows: (A) Shabbar et al. (1990); (B) Nicholson (1989), Landsea (1991); (C) Parthasarathy et al. (1991); (D) Reid and Gage (1993), Sheaffer and Gray (1995); (E) Gaffen et al. (1991), Graham (1990); (F) Barnett (1984), Trenberth (1990); (G) Enfield (1989); (H) Kay and Diaz (1985), McKenzie and Eberli (1987); (I) Manchard et al. (1988); (J) Nunez et al. (1992); (K) Gray (1990); (L) Moses et al. (1987), Kushnir (1994), Hurrell (1995); (M) Lazier (1980), Serreze et al. (1992), Dickson and Brown (1994); (N) Walsh and Chapman (1990), Aagaard (1995), Mysak et al. (1990); (O) Hsiung and Newell (1986), Barnett (1984), Folland et al. (1991), Street-Perrott and Perrott (1990), Angell (1988).