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National Weather Service Weather Forecast Office

San Juan, PR

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 Adjuntas Normals

Available Sites

1. Adjuntas 1S
2. Adjuntas Substation
3. Cerro Maravilla

 

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  Adjuntas 1S

 

Left: A picture of the Standard Rain Gage (SRG) at Adjuntas 1 NW before it was moved to Adjuntas 1S.

 

NCDC 1981-2010	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Average Rain (in.)	3.27	2.08	3.2	5.87	9.33	5.3	5.98	9.16	14.29	10.09	6.23	2.84	77.64

	All Time Record
Record High	N/A
Record Low	N/A
Wettest Year	121.89"     2010
Driest Year	43.56"     1994
Highest Daily Precip	12.80"  September 16th, 1975

 

Adjuntas AES

 

 

NCDC 1981-2010	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Average High (F)	79.6	79.9	80.9	81.6	82.8	84.6	85.0	85.3	84.8	84.2	82.3	80.1	82.6
Average Low (F)	53.7	53.1	53.9	56.9	59.6	61.2	61.1	60.9	60.8	59.7	59.0	56.1	58.0
Average Rain (in.)	2.50	2.53	3.76	7.23	9.53	4.99	5.98	8.36	12.5	11.4	6.69	3.17	78.81

	All Time Record
Record High	93F  May 26th, 1990
Record Low	40F  March 3rd, 1993
Wettest Year	111.64"     1998
Driest Year	44.37"     1994
Highest Daily Precip	14.20"  May 18th, 1985

 

Cerro Maravilla

 

Above: The Standard Rain Gage (SRG) and weather observer Nelson Rivera Torres at Cerro Maravilla, PR.	Above: The Standard Rain Gage (left) and Fischer Porter Rain Gage (Right) at Cerro Maravilla, PR.

  

NCDC 1981-2010	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Average High (F)	65.5	65.8	66.6	67.2	68.0	70.4	71.6	71.4	71.1	70.6	68.7	66.0	68.6
Average Low (F)	56.0	55.7	56.4	57.9	59.8	62.0	62.3	62.4	61.8	61.7	59.3	57.6	59.4
Average Rain (in.)	3.81	3.64	5.12	8.57	12.14	7.06	6.09	10.39	13.68	15.66	9.03	4.13	99.32

	All Time Record
Record High	98F  September 2nd, 2000
Record Low	40F  December 31st, 2010
Wettest Year	146.58"     1970
Driest Year	66.99"     1976
Highest Daily Precip	22.90"  October 7th, 1985

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