This is just partial list of the extreme rain that fell in 2010 . If you know one, add it to this thread. All the reports listed here are from The National Weather Service, NOAA, and news reports.
The Swat Valley -
I never saw a number on just how bad the rainfall was there , until this story from the Guardian . " It was raining so hard, you couldn't see a man standing in front of you " ..............
" In more than 60 hours of non-stop torrential rainfall, the floods washed all that away. The north-west normally receives 500mm (20in) of rain in the month of July; over one five-day period 5,000mm fell. "It was incredible," said Sameenullah Afridi, a local United Nations official. "
That's 196.8 inches of rain , 16 feet .
2.8 inches (7 cm) were widespread across Israel, including the city of Jerusalem, which typically receives 4.3 inches (11 cm) annually.
San Juan PR -
Wettest January on record 11.07 inches ( 1978 7.60 inches)
Atlantic City NJ -
The wettest winter on record 19.25 inches ( 1957-58 18.88 inches )
Blue Hill MA. -
The wettest month ever recorded 18.81 inches ( 1955 18.78 inches )
Providence RI. -
The wettest month ever recorded 16.34 inches ( 2005 15.38 inches )
Wettest March on record
Boston MA. - 14.87 inches ( 1953 11.0 inches )
Bridge Port CT. - 9.74 inches ( 1953 9.40 inches )
Portland ME. - 11.06 inches ( 1953 9.97 inches )
Central Park - 10.68 inches ( 1983 10.54 inches )
Wettest calender day in April
Del Rio , TX. - 3.19 inches ( 1971 1.31 inches )
More than 200 daily, monthly, and all-time precipitation records were broken across the three states.
On May 16th–17th, up to eight inches (200 mm) of rain fell over southern Poland and the Czech Republic in a 24-hour period
May greatest calender day rainfall
Del Rio , TX. - 7.12 inches ( 2003 6.53 inches )
Bowling Green KY. - 2 day record 9.67 inches ( since 1870 )
Nashville TN. - 2 day record 13.53 inches ( 1979 6.68 inches )
Wettest January-May on record
Del Rio , TX. - 21.70 inches ( 1957 19.47 inches )
South Central Texas on June 8th–9th
7 to 12 inches (180 to 300 mm) of rain fell over the region in an 18-hour period. This storm killed 20 people in Arkansas with 6-8 inch rainfalls.
June all-time rainfall record
Portland OR. - 4.21 inches ( 1984 4.06 inches )
June calender-day rainfall record
McAllen TX. - 6.66 inches ( 1942 4.75 inches )
Wettest June on record
Lincoln ILL. - 10.79 inches ( 1947 9.83 inches )
McAllen Tx. - 10.65 inches ( 1993 9.59 inches )
All-time 24-hour rainfall record
Amarillo Tx. - 7.25 inches ( 1960 6.75 inches )
Oklahoma City OK. - 7.62 inches ( 1970 7.53 inches )
July one-hour rainfall record
Fairbanks AK. -
1.15 inches ( 1939 .99 inches )
July rainfall record
Amarillo TX. - 8.02 inches ( 1960 7.59 inches )
Green Bay WI. - 9.51 inches ( 1912 7.46 inches )
Milwaukee, WI - 10.93 inches ( 1964 7.66 inches )
Thirty day precipitation record
Northway AK. - 9.29 inches ( 2005 6.95 inches )
Wettest summer on record
Sioux Falls SD. - 17.93 inches ( 1993 17.39 inches )
Sioux City IA. - 20.03 inches ( 1983 17.37 inches )
Wabasha MN. - 24.21 inches ( 1993 22.21 inches )
Green Bay WI. - 20.39 inches ( 1914 18.89 inches )
( 6 other locations in WI. set this record )
The states of Veracruz, Oaxaca, and Tabasco were hardest hit. The president of Mexico said that rains during July and August in the region were three and a half times higher than average.
Government officials say that from July 28 to Aug. 3, parts of Khyber Pakhtunkhwa Pakistan, recorded almost 12 feet of rainfall in one week.
All-time one hour rainfall record
Portland OR. - 1.03 inches ( 2008 0.93 inches )
Camp Mabry—located within Austin city limits—received 7.04 inches (179 mm) of rain on the 7th. Local reports stated that the highest rainfall totals of about 14 inches (356 mm) were recorded in an area stretching from Mansfield Dam to Georgetown.
September highest daily rainfall record
Baltimore, MD. - 6.02 inches ( 1912 5.97 inches )
Hurricane Karl made landfall at Veracruz this month, it rained 8 inches in 90 mins.
300 millimetres ( 11.81 inches ) of rain on parts of Seoul, an all-time high for late September since records began in 1907.
September 23rd southern Mexico, The remnants of the storm produced very heavy rainfall, with 10 to 20 inches estimated locally, and 30 inches (760 mm) in isolated areas.
September 29th Wilmington's three-day rainfall total to 19.66 inches (499 mm).
30th, nearby Jacksonville, North Carolina received 12 inches (305 mm) of rain—about 25 percent of its annual average—in a six-hour period.
12.64 inches at Corpus Christi, Texas
10.26 inches Blitz Brownsville, September 19th
8.26 inches in Bella Coola Valley, Canada
Central Queensland - In the 120 years that rainfall records have been kept in Orion near Springsure, this year sees the highest for the month of September at 378.6mm. Previously it was only at 197.6mm in 1917 and the average for the month of September is 29.8mm.
In Rosetown, Sask., for example, 555 millimetres of rain were recorded at the Environment Canada station from April 1 to Sept. 23, which shattered the previous record set in 1954 when 464 mm fell between April 1 and Oct. 1.
Extreme rainfall across New Zealand one of the wettest Septembers on record.
Central Vietnam 51 inches (1,300 mm) of rain reportedly fell in parts of the region.
Heavy rains over Hainan, China led to the worst flooding in that region in nearly half a century as at least seven inches (178 mm) fell in 16 cities over the course of the week. Some areas received as much as 12.8 inches (325 mm) of rainfall.
Mid Oct. -
Central Vietnam on October 14th–18th. According to Reliefweb, up to 38.1 inches (968 mm) of rain fell in Nghe An, up to 36.9 inches (938 mm) in Ha Tinh, and up to 31.0 inches (787 mm) in Quang Binh.
October 14th and 16th, eight inches (200 mm) of rain fell over Hainan, China.
Nova Scotia - 11.8 inches of rain in 4 days.
November 7th through 11th Satellite estimates report over 600 mm (24 inches) of rainfall across southern India.
445 mm (17.5 inches) of rain on the capital city of Colombo Shri Lanka , in 24 hrs.
31 inches fall in Central Vietnam near Hue.
Much of the rain in China, Thailand, Columbia, all of Africa is not listed here. The rains in Columbia have been falling for 5 months. In China for 6 months. I will add to this as the year closes .