Using preliminary statistical relationships between precipitation intensities averaged over 1-min durations and commonly available monthly climatological tabulations of precipitation, rainfall rates for 1.0, 0.5, and 0.1 percent exceedances were computed for weather stations over Europe and Asia for which monthly totals and frequency of daily precipitation were available for the months of January, April, July, and October. Isolines of intensities were drawn delineating regions of low and high rates for each precipitation frequency. These rates may be used for obtaining calculated-risk design criteria for military equipment and for the evaluation of the probability of operational problems when the intensity of precipitation equalled or exceeded with various low probabilities may be critical. (Author).

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