Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Mean 1956 1.8 1.3 1.3 1.4 0.9 0.9 1.0 0.9 1.2 1.9 1.3 1.0 1.2 1957 1.2 1.3 1.3 1.0 0.9 0.9 0.8 0.9 0.9 1.5 1.4 1.5 1.1 1958 1.4 1.5 1.5 1.4 0.9 0.8 0.9 1.1 0.8 2.0 1.5 1.5 1.3 1959 1.5 1.3 1.4 1.3 0.8 0.7 0.9 0.8 0.8 1.2 1.4 1.2 1.1 1960 1.3 1.9 1.6 1.3 1.0 1.0 0.8 1.0 1.1 1.1 1.1 1.2 1.2 1961 1.3 1.6 1.3 1.3 1.1 1.0 0.8 0.8 1.4 1.3 1.2 1.2 1.2 1962 1.4 1.5 2.0 1.5 0.8 0.9 1.0 0.9 0.9 1.1 2.3 2.1 1.4 1963 1.3 1.5 1.3 1.2 1.0 1.1 0.7 0.7 1.3 1.3 1.2 1.2 1.1 1964 1.6 1.4 1.3 1.2 1.1 0.7 1.0 0.8 1.4 1.1 1.0 1.3 1.2 1965 1.5 1.4 1.0 1.0 0.8 1.0 0.8 0.8 0.8 1.3 1.1 0.9 1.0 1966 1.6 1.1 1.1 0.8 0.7 1.1 0.9 1.0 1.2 1.1 1.2 1.3 1.1 1967 1.2 1.5 1.2 1.2 1.2 0.7 0.9 0.9 1.5 1.1 1.1 1.4 1.2 1968 1.2 1.3 1.2 0.8 0.7 0.5 0.4 0.4 0.4 0.7 1.2 1.4 0.8 1969 1.7 1.9 1.3 0.9 0.8 0.7 0.7 0.9 1.1 1.4 1.3 1.6 1.2 1970 1.2 1.6 1.1 1.3 1.0 1.0 0.8 0.8 0.8 1.4 1.4 1.3 1.1 1971 1.3 1.3 1.4 1.0 1.1 0.6 0.9 1.0 1.1 1.8 1.3 1.3 1.2 1972 1.2 1.7 1.3 1.1 1.5 1.1 0.8 0.8 1.2 1.4 1.4 1.4 1.2 1973 1.4 1.7 1.6 1.2 1.1 0.9 0.7 0.6 0.7 1.1 1.4 2.1 1.2 1974 1.0 1.6 1.4 1.3 0.8 0.7 0.5 0.5 0.6 0.6 1.0 1.3 0.9 1975 1.2 1.1 1.4 1.1 0.5 0.6 1.0 0.4 0.6 0.9 1.1 1.3 0.9 Mean 1.4 1.5 1.4 1.2 0.9 0.9 0.8 0.8 1.0 1.3 1.3 1.4 Lat=37.51 Long=75.21