Abstract: Gridded fields of monthly mean relative frequency for ≥0.10 (2.5), ≥0.25 (6.4), ≥0.50 (12.7), ≥1.00 (25.4), and ≥2.00 (50.8) in. (mm) of precipitation have been developed for 1-, 3-, and 6-h periods over the conterminous ...