References
- Lehmann , E. H. 1975 . Nonparametrics: Statistical Methods Based on Ranks , San Francisco , Calif. : Holden-Day .
- INSTITUTE OF MATHEMATICAL STATISTICS . 1970 . Selected Tables in Mathematical Statistics , Vol. I , Chicago , Ill. : Markham .
- U.S. DEPARTMENT OF COMMERCE . 1950–1979 . Climatological Data: New York , Washington , D.C. : U.S. Government Printing Office . various issues
- U.S. WEATHER BUREAU . 1942 . U.S. Weather Bureau Climatic Summary of the U.S. , Washington , D.C. : U.S. Government Printing Office . Table 83–121, (contains Central Park data for 1865–1930)
- 1942 . The World Almanac , Cincinnati , Oh. : Scripps-Howard . and (1952), (contains Central Park data for 1931 to 1949.)