Puerto Rico and U.S. Virgin Islands - Top Ten Wettest Years

2011 ranks as the second wettest year in nearly 113 years of record keeping in the San Juan Metro Area. An impressive rainfall total of 88.15 inches was reported at the San Juan International Airport, which is 31.80 inches above normal. This total was 1.35 less than 2010, the wettest year on record.
 According to Cooperative Weather Observer data, 2011 was a wet year across the entire forecast area, with 126% of the normal precipitation falling across all of Puerto Rico and 121% of the normal precipitation falling across the U.S. Virgin Islands.

 Not surprisingly, 2011 ranks as the ninth wettest year on record at Charlotte Amalie on Saint Thomas as well as at Christiansted Airport on Saint Croix with a rainfall total of 46.14 and 47.72 inches respectively.

  

 

San Juan

Saint Thomas

Saint Croix

1st

89.50"      2010

67.59"      1960

78.25"      1979

2nd

88.15"      2011

61.38"      2010

56.13"      2003

3rd

87.55"      1931

55.29"      2005

54.87"      1960

4th

84.97"      1950

51.93"      2003

53.33"      1952

5th

84.93"      1927

50.34"      1974

53.23"      1996

6th

78.96"      1902

49.34"      1981

51.72"      1974

7th

77.61"      1899

76.92"      1954

50.10"      1987

8th

77.28"      2005

46.30"      1958

49.88"      2010

9th

76.60"      1952

46.14"      2011

47.72"      2011

10th

75.70"     1901

46.13"      1979

45.76"      1953

                                                                              *latest occurrences 

Annual Precipitation

Sector

Rain

Normal

PON

 

X North Coast

74.47

61.74

121%

X South Coast

46.32

33.63

138%

X North Slopes

78.81

62.75

126%

X South Slopes

71.91

61.43

117%

X East Interior

106.65

79.50

134%

X West Interior

100.06

80.80

124%

 

 

 

 

Puerto Rico Average

79.70

63.31

126%

X U.S. Virgin Islands

48.21

39.78

121%

Coloso Rincon Calero Camp Isabella AES Mora Camp Borinquen Airport Guajataca Dam Arecibo Observatory Dos Bocas Manati 2E Palmarejo Morovis Corozal AES Negro Corozal Toa Baja Levittown Charlotte Amalie Wintberg Redhook Bay Cruz Bay Coral Bay East Hill Montpellier Beth Upper New Works Fort Christiansted Christiansted Airport East End Rio Piedras AES Trujillo Alto LMM Airport Canovanas Palma Sola Roosevelt Roads Paraiso Rio Blanco Lower Juncos Gurabo AES San Lorenzo Jajome Alto Aguirre Santa Isabel Aibonito Guayama Ponce 4E Juana Diaz Camp Boca Ensenada Magueyes Island Lajas AES Santa Rita Yauco Sabana Grande Hacienda Constanza Mayaguez City Maricao 2 SSW Maricao Fish Hatchery Adjuntas AES Adjuntas 1 NW Corral Viejo Penuelas Cacaos Orocovis Cerro Maravilla Villalba Aceituna Toro Negro Forest

PON = Percent of Normal Precipitation


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