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Mean annual rainfall in the country ranges from 700 to 5,000 mm (28 to 197 in) although most places in Vietnam receive between 1,400 and 2,400 mm (55 and 94 in). [ 1 ] : 33 Bạch Mã National Park is the wettest place in Vietnam, which annual precipitation is 3,500 mm (140 in) and up to 8,000 mm (310 in) at the 1,448-metres tall summit. [ 13 ]
Average yearly precipitation for Illinois varies from 48 inches or 1,220 mm at the southern tip to 35 inches or 890 mm in the northern portion of the state. Normal annual snowfall exceeds 38 inches or 0.97 m in Chicago, while the southern portion of the state normally receives less than 14 inches or 0.36 m. [1]
The greatest amount of precipitation that fell in a 24-hour period was 9.35 in (237.5 mm) on August 13–14, 1987. That event also set the records for heaviest 6 and 12 hour rainfall amounts and contributed to August 1987's record rainfall. The heaviest calendar day snowfall was 18.6 in (47.2 cm), again at O'Hare, on January 2, 1999. [18]
In looking at the precipitation forecast for the next three months, much of the Southwest, Southern Rockies and Southern Plains are set to see well-below-average rain and snow accumulations.
The time of maximum precipitation during the day gradually varies from late afternoon near the slopes of the Rockies to early morning near the Ohio River valley, [37] in part reflecting the west-to-east propagation of mesoscale convective systems. Mesoscale convective systems bring 30 to 70 percent of the annual warm season rainfall to the ...
Here are rainfall amounts, in inches, from the last 24 hours (unless otherwise noted) by locality, according to National Weather Service St. Louis: Illinois locations. Belleville: 6.23, 6.33 ...
Operation Popeye / Sober Popeye (Project Controlled Weather Popeye / Motorpool / Intermediary-Compatriot) was a military cloud-seeding project carried out by the U.S. Air Force during the Vietnam War in 1967–1972.
Average monthly precipitation ranged from 2.87 inches (73 mm) in February to 4.59 inches (117 mm) in May. [11] On April 21, 1912, a tornado destroyed facilities at the Possum Ridge Mine. [5] [12] On March 18, 1925, Franklin County was among five southern Illinois counties affected by the infamous Tri-State Tornado. The storm cut across the ...