Appendix: Inventory of Data Gaps

The following is a list of dates and times when the hourly precipitation analyses are missing:

YEARMISSING ANALYSESNUMBER MISSING
1963 Jan. 1 01Z-06Z 6
1967 Jan. 1 01Z-06Z 6
1973 Jan. 1 01Z-06Z 6
1976 Jan. 1 01Z-06Z 6
1978 May 1 09Z-June 1 06Z 742
1979 Jan. 1 01Z-06Z 6
1982 Jan. 1 01Z-06Z 6
1983 Dec. 29 01Z-Jan. 1 00Z 72
1984 Jan. 1 01Z-06Z 6
1985 Jan. 1 01Z-06Z 6
1986 Jan. 1 01Z-06Z 6
1987 Jan. 1 01Z-06Z 6
1988 Jan. 1 01Z-06Z 6
1989 Jan. 1 01Z-06Z 6
1990 Jan. 1 01Z-06Z 6
1991 Jan. 1 01Z-06Z 6
1992 Jan. 1 01Z-06Z 6

Whenever analyses are missing, the appropriate records are filled with the undefined value (9999.)


References

Barnston, A. G., 1993: Atlas of frequency distr align=centeribution, auto-correlation and cross-correlation of daily temperature and precipitation at stations in the U.S., 1948-1991 (in metric units). NOAA Atlas No. 11m, NOAA, U.S. Department of Commerce, 440 pp.

Blackmon, M. L and N.-G. Lau, 1980: Regional characteristics of the Northern Hemisphere wintertime circulation: A comparison of the simulation of a GFDL general circulation model with observations. J. Atmos. Sci, 37, 497-514.

Charba, J.P, A.W. Harrell III and A.C. Lackner III, 1992: A monthly precipitation amount climatology derived from published atlas maps: Development of a digital database. TDL Office Note 92-7, NOAA, U.S. Department of Commerce, 20 pp.

Cressman, G. P., 1959: An operational objective analysis system. Mon. Wea. Rev., 87, 367- 374.

Glahn, H.R., T. L. Chambers, W.S. Richardson, and H.P. Perrotti, 1985: Objective map analysis for the local AFOS MOS Program. NOAA Technical Memorandum NWS TDL 75, NOAA, U.S. Department of Commerce, 34 pp.

Rasmusson, E. M. and T. H. Carpenter, 1982: Variations in tropical se a surface temperature and surface wind fields associated with the Southern Oscillation / El. Nino. Mon. Wea. Rev., 110, 354-384.

Ropelewski, C. F. and. M. S. Halpert, 1986: North American precipitation and temperature patterns associated with the El Nino/Southern Oscillation (ENSO). Mon. Wea. Rev., 114, 2352-2362.

Wallace, J. M., 1975: Diurnal variations in precipitation and thunderstorm frequency over the conterminous United States. Mon. Wea. Rev., 103, 406-419.



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