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Cayey 1 E Weather Records (RQC00661901)

Record envelope, standing records and threshold days for Cayey 1 E (RQC00661901), PR, Puerto Rico [United States], with 58 years of record.

Key Facts for Cayey 1 E

  • Cayey 1 E (RQC00661901) is a weather station in PR, Puerto Rico [United States] at 18.12 latitude and -66.17 longitude, 395 m (1,296 ft) above sea level.
  • The station reports from 1955 to 2012, 58 years of record.
  • 1,464 records set at Cayey 1 E still stand.
  • Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • Cayey 1 E set a daily record precipitation of 50.8 mm (2.0 in) on 24 August 2012.

About the Station

  • Location: PR, Puerto Rico [United States], 18.12 latitude, -66.17 longitude.
  • Elevation: 395 m (1,296 ft).
  • Period of record: 1955 to 2012, 58 years.
  • Eligible elements: tmax, tmin, prcp, snow, snwd.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Cayey 1 E, with 2026 drawn through them The band shows the record high and record low for each calendar day at Cayey 1 E. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 010203040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Cayey 1 E. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Cayey 1 E, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan31.1 C (88.0 F)8.9 C (48.0 F)n/an/a
Feb31.1 C (88.0 F)8.9 C (48.0 F)n/an/a
Mar36.1 C (97.0 F)8.9 C (48.0 F)n/an/a
Apr31.7 C (89.1 F)10.0 C (50.0 F)n/an/a
May32.2 C (90.0 F)11.7 C (53.1 F)n/an/a
Jun32.8 C (91.0 F)12.2 C (54.0 F)n/an/a
Jul34.4 C (93.9 F)12.8 C (55.0 F)n/an/a
Aug33.9 C (93.0 F)13.9 C (57.0 F)n/an/a
Sep33.3 C (91.9 F)12.8 C (55.0 F)n/an/a
Oct32.2 C (90.0 F)13.9 C (57.0 F)n/an/a
Nov32.2 C (90.0 F)11.1 C (52.0 F)n/an/a
Dec31.1 C (88.0 F)8.9 C (48.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Cayey 1 E by the year they were set 1,464 records at Cayey 1 E still stand. 1960 holds the most, with 86. 02550751001955: 471956: 311957: 561958: 821959: 691960: 861961: 491962: 511963: 611964: 411965: 711966: 381967: 341968: 221969: 311970: 271971: 171972: 91973: 191974: 211975: 171976: 121977: 161978: 271979: 421980: 211981: 231982: 271983: 261984: 201985: 241986: 191987: 301988: 231989: 111990: 211991: 221992: 161993: 131994: 181995: 231996: 221997: 281998: 411999: 142000: 202001: 102007: 161955196019651970197519801985199019952000
1,464 records at Cayey 1 E still stand. 1960 holds the most, with 86.
Standing records at Cayey 1 E by the year they were set
Year setStanding records
195547
195631
195756
195882
195969
196086
196149
196251
196361
196441
196571
196638
196734
196822
196931
197027
197117
19729
197319
197421
197517
197612
197716
197827
197942
198021
198123
198227
198326
198420
198524
198619
198730
198823
198911
199021
199122
199216
199313
199418
199523
199622
199728
199841
199914
200020
200110
200716

All-Time Record Progression

1 new records
When Cayey 1 E set new all-time records 1 all-time records were set at Cayey 1 E between 18 March 2007 and 18 March 2007. Each dot is a new record. Record high maximum temperature18 March 2007: Record high maximum temperature 36.1 C (97.0 F)
1 all-time records were set at Cayey 1 E between 18 March 2007 and 18 March 2007. Each dot is a new record.
When Cayey 1 E set new all-time records
DateKindDetail
2007-03-18Record high maximum temperatureRecord high maximum temperature 36.1 C (97.0 F)

Wettest Day of Each Month

Sep: 357.4 mm (14.1 in)
Record daily precipitation for each month at Cayey 1 E The wettest day on record for each calendar month at Cayey 1 E. The most was 357.4 mm (14.1 in) on 6 September 1960. 0100200300400 Jan: 112.0 mm (4.4 in), 16 January 1969 Jan Feb: 144.8 mm (5.7 in), 5 February 1998 Feb Mar: 101.1 mm (4.0 in), 1 March 1969 Mar Apr: 104.1 mm (4.1 in), 24 April 1985 Apr May: 165.1 mm (6.5 in), 23 May 1981 May Jun: 103.4 mm (4.1 in), 18 June 1956 Jun Jul: 112.0 mm (4.4 in), 16 July 1991 Jul Aug: 299.0 mm (11.8 in), 27 August 1961 Aug Sep: 357.4 mm (14.1 in), 6 September 1960 Sep Oct: 294.6 mm (11.6 in), 7 October 1985 Oct Nov: 173.2 mm (6.8 in), 3 November 1984 Nov Dec: 87.6 mm (3.4 in), 3 December 1960 Dec
The wettest day on record for each calendar month at Cayey 1 E. The most was 357.4 mm (14.1 in) on 6 September 1960.
Record daily precipitation for each month at Cayey 1 E
MonthRecord daily precipitation (mm)Date
Jan112.0 mm (4.4 in)16 January 1969
Feb144.8 mm (5.7 in)5 February 1998
Mar101.1 mm (4.0 in)1 March 1969
Apr104.1 mm (4.1 in)24 April 1985
May165.1 mm (6.5 in)23 May 1981
Jun103.4 mm (4.1 in)18 June 1956
Jul112.0 mm (4.4 in)16 July 1991
Aug299.0 mm (11.8 in)27 August 1961
Sep357.4 mm (14.1 in)6 September 1960
Oct294.6 mm (11.6 in)7 October 1985
Nov173.2 mm (6.8 in)3 November 1984
Dec87.6 mm (3.4 in)3 December 1960

Period of Record Coverage

1955 to 2007
Days with data per year at Cayey 1 E 48 years of record at Cayey 1 E, 1955 to 2007. 9 years have data for under 90 percent of days and are left out of rankings: 1962, 1963, 1964, 1967, 1985, 1989, 2000, 2001 and others. 1955: 334 of 365 days1956: 353 of 366 days1957: 340 of 365 days1958: 356 of 365 days1959: 345 of 365 days1960: 364 of 366 days1961: 365 of 365 days1962: 322 of 365 days1963: 316 of 365 days1964: 323 of 366 days1965: 333 of 365 days1966: 362 of 365 days1967: 274 of 365 days1968: 366 of 366 days1969: 331 of 365 days1970: 365 of 365 days1971: 365 of 365 days1972: 366 of 366 days1973: 365 of 365 days1974: 364 of 365 days1975: 365 of 365 days1976: 366 of 366 days1977: 365 of 365 days1978: 364 of 365 days1979: 365 of 365 days1980: 366 of 366 days1981: 365 of 365 days1982: 362 of 365 days1983: 364 of 365 days1984: 333 of 366 days1985: 319 of 365 days1986: 334 of 365 days1987: 353 of 365 days1988: 353 of 366 days1989: 317 of 365 days1990: 361 of 365 days1991: 362 of 365 days1992: 363 of 366 days1993: 362 of 365 days1994: 363 of 365 days1995: 361 of 365 days1996: 360 of 366 days1997: 362 of 365 days1998: 356 of 365 days1999: 363 of 365 days2000: 274 of 366 days2001: 87 of 365 days2007: 26 of 365 days19601970198019902000
48 years of record at Cayey 1 E, 1955 to 2007. 9 years have data for under 90 percent of days and are left out of rankings: 1962, 1963, 1964, 1967, 1985, 1989, 2000, 2001 and others.
Days with data per year at Cayey 1 E
YearDays with dataShare of yearComplete
195533492%Yes
195635396%Yes
195734093%Yes
195835698%Yes
195934595%Yes
196036499%Yes
1961365100%Yes
196232288%No
196331687%No
196432388%No
196533391%Yes
196636299%Yes
196727475%No
1968366100%Yes
196933191%Yes
1970365100%Yes
1971365100%Yes
1972366100%Yes
1973365100%Yes
1974364100%Yes
1975365100%Yes
1976366100%Yes
1977365100%Yes
1978364100%Yes
1979365100%Yes
1980366100%Yes
1981365100%Yes
198236299%Yes
1983364100%Yes
198433391%Yes
198531987%No
198633492%Yes
198735397%Yes
198835396%Yes
198931787%No
199036199%Yes
199136299%Yes
199236399%Yes
199336299%Yes
199436399%Yes
199536199%Yes
199636098%Yes
199736299%Yes
199835698%Yes
199936399%Yes
200027475%No
20018724%No
2007267%No

Latest Records

20
Latest records at Cayey 1 E
DateStationRecordValueBeat old record byOld record stoodSignificance
24 August 2012Cayey 1 E, PRdaily rain50.8 mm (2.0 in)25.4 mm (1.0 in)49 years30 of 100 (Routine)
1 August 2012Cayey 1 E, PRdaily rain88.9 mm (3.5 in)47.0 mm (1.9 in)33 years36 of 100 (Notable)
30 March 2007Cayey 1 E, PRdaily high min22.2 C (72.0 F)2.2 C (4.0 F)36 years25 of 100 (Routine)
29 March 2007Cayey 1 E, PRdaily high min21.7 C (71.1 F)2.3 C (4.1 F)20 years21 of 100 (Routine)
28 March 2007Cayey 1 E, PRdaily high min21.7 C (71.1 F)1.7 C (3.1 F)28 years20 of 100 (Routine)
27 March 2007Cayey 1 E, PRdaily high max30.6 C (87.1 F)1.2 C (2.2 F)50 years26 of 100 (Routine)
27 March 2007Cayey 1 E, PRdaily high min22.2 C (72.0 F)1.6 C (2.9 F)28 years20 of 100 (Routine)
26 March 2007Cayey 1 E, PRdaily high min (Tie)19.4 C (66.9 F)tie48 years4 of 100 (Routine)
24 March 2007Cayey 1 E, PRdaily high max (Tie)30.6 C (87.1 F)tie45 years4 of 100 (Routine)
22 March 2007Cayey 1 E, PRdaily high max33.3 C (91.9 F)2.2 C (4.0 F)48 years31 of 100 (Routine)
22 March 2007Cayey 1 E, PRdaily high min21.7 C (71.1 F)0.6 C (1.1 F)8 years9 of 100 (Routine)
21 March 2007Cayey 1 E, PRdaily high max33.3 C (91.9 F)3.3 C (5.9 F)48 years38 of 100 (Notable)
18 March 2007Cayey 1 E, PRall-time high max36.1 C (97.0 F)1.7 C (3.1 F)47 years48 of 100 (Notable)
17 March 2007Cayey 1 E, PRdaily high min20.0 C (68.0 F)0.6 C (1.1 F)46 years21 of 100 (Routine)
14 March 2007Cayey 1 E, PRdaily high min21.1 C (70.0 F)0.5 C (0.9 F)13 years11 of 100 (Routine)
13 March 2007Cayey 1 E, PRmonthly high max32.8 C (91.0 F)1.1 C (2.0 F)48 years35 of 100 (Notable)
13 March 2007Cayey 1 E, PRdaily high min20.6 C (69.1 F)1.2 C (2.2 F)13 years14 of 100 (Routine)
7 March 2007Cayey 1 E, PRdaily high min (Tie)19.4 C (66.9 F)tie22 years2 of 100 (Routine)
4 March 2007Cayey 1 E, PRdaily high min20.6 C (69.1 F)1.2 C (2.2 F)37 years21 of 100 (Routine)
3 March 2007Cayey 1 E, PRmonthly high min22.8 C (73.0 F)1.1 C (2.0 F)19 years24 of 100 (Routine)

Climate Trend

35 complete years, 1956 to 1999
Annual mean temperature at Cayey 1 E as warming stripes, 1956 to 1999 One stripe for each of 35 complete years at Cayey 1 E, 1956 to 1999. Blue stripes are years cooler than the station's own mean of 22.9 C (73.3 F); red stripes are warmer. The coolest year was 1966, at 22.1 C (71.8 F), and the warmest was 1998, at 23.9 C (75.0 F). The strongest colour marks a difference of 1.0 C (1.8 F). 1956: 23.2 C, +0.2 C from the station mean1957: 23.5 C, +0.5 C from the station mean1958: 23.7 C, +0.7 C from the station mean1960: 23.7 C, +0.8 C from the station mean1961: 23.5 C, +0.6 C from the station mean1962: 23.0 C, +0.1 C from the station mean1966: 22.1 C, -0.8 C from the station mean1968: 22.6 C, -0.3 C from the station mean1970: 22.7 C, -0.2 C from the station mean1971: 22.5 C, -0.5 C from the station mean1972: 23.0 C, +0.1 C from the station mean1973: 22.9 C, 0.0 C from the station mean1974: 22.7 C, -0.2 C from the station mean1975: 22.6 C, -0.4 C from the station mean1976: 22.5 C, -0.4 C from the station mean1977: 22.9 C, -0.1 C from the station mean1978: 22.3 C, -0.7 C from the station mean1979: 22.3 C, -0.6 C from the station mean1980: 22.9 C, 0.0 C from the station mean1981: 23.0 C, 0.0 C from the station mean1982: 22.4 C, -0.6 C from the station mean1983: 23.2 C, +0.3 C from the station mean1985: 22.6 C, -0.4 C from the station mean1987: 23.3 C, +0.4 C from the station mean1988: 22.8 C, -0.1 C from the station mean1990: 23.2 C, +0.3 C from the station mean1991: 23.0 C, +0.1 C from the station mean1992: 22.8 C, -0.1 C from the station mean1993: 22.9 C, -0.1 C from the station mean1994: 23.1 C, +0.2 C from the station mean1995: 23.0 C, 0.0 C from the station mean1996: 22.7 C, -0.2 C from the station mean1997: 23.4 C, +0.4 C from the station mean1998: 23.9 C, +1.0 C from the station mean1999: 23.1 C, +0.1 C from the station mean195619601965197019751980198519901995
One stripe for each of 35 complete years at Cayey 1 E, 1956 to 1999. Blue stripes are years cooler than the station's own mean of 22.9 C (73.3 F); red stripes are warmer. The coolest year was 1966, at 22.1 C (71.8 F), and the warmest was 1998, at 23.9 C (75.0 F). The strongest colour marks a difference of 1.0 C (1.8 F).
Annual mean temperature at Cayey 1 E as warming stripes, 1956 to 1999
YearAnnual mean temperatureDifference from the station mean
195623.2 C+0.21 C
195723.5 C+0.51 C
195823.7 C+0.73 C
196023.7 C+0.76 C
196123.5 C+0.60 C
196223.0 C+0.08 C
196622.1 C-0.82 C
196822.6 C-0.30 C
197022.7 C-0.20 C
197122.5 C-0.49 C
197223.0 C+0.05 C
197322.9 C-0.03 C
197422.7 C-0.22 C
197522.6 C-0.37 C
197622.5 C-0.44 C
197722.9 C-0.07 C
197822.3 C-0.69 C
197922.3 C-0.63 C
198022.9 C-0.01 C
198123.0 C+0.01 C
198222.4 C-0.59 C
198323.2 C+0.30 C
198522.6 C-0.37 C
198723.3 C+0.36 C
198822.8 C-0.10 C
199023.2 C+0.25 C
199123.0 C+0.07 C
199222.8 C-0.12 C
199322.9 C-0.09 C
199423.1 C+0.16 C
199523.0 C+0.02 C
199622.7 C-0.23 C
199723.4 C+0.43 C
199823.9 C+0.96 C
199923.1 C+0.13 C

The fitted trend in annual mean temperature here over 1956 to 1999 is -0.01 C (-0.13 to 0.11) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: -0.02 F (-0.23 to 0.19) per decade. The slope is a straight line fitted to 35 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Cayey 1 E
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature-0.01 C (-0.13 to 0.11) per decade-0.02 F (-0.23 to 0.19) per decade1956 to 199935Not clearly different from zero
Mean daily maximum-0.3 C (-0.4 to -0.1) per decade-0.5 F (-0.8 to -0.2) per decade1956 to 199935Fall
Mean daily minimum0.3 C (0.1 to 0.4) per decade0.5 F (0.2 to 0.7) per decade1956 to 199935Rise

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1955 to 2012
Yearly extremes at Cayey 1 E: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)36.1 C (97.0 F)200731.7 C (89.1 F)48
Coldest night (TNn)8.9 C (48.0 F)196410.6 C (51.1 F)48
Wettest day (Rx1day)357.4 mm (14.1 in)1960100.3 mm (3.9 in)49
Wettest five days (Rx5day)791.3 mm (31.2 in)1970173.7 mm (6.8 in)49
Longest dry spell (CDD)40 days198515 days49

Hottest day (TXx)

Hottest day (TXx) at Cayey 1 E by year The hottest day of the year at Cayey 1 E, 1955 to 2012. The record is 36.1 C (97.0 F) in 2007, marked on the chart; the median year is 31.7 C (89.1 F). 283032343638196019701980199020002010Record: 36.1 C (97.0 F) in 2007
The hottest day of the year at Cayey 1 E, 1955 to 2012. The record is 36.1 C (97.0 F) in 2007, marked on the chart; the median year is 31.7 C (89.1 F).
Hottest day (TXx) at Cayey 1 E by year
YearHottest day (TXx)
195532.2 C (90.0 F)
195633.3 C (91.9 F)
195732.2 C (90.0 F)
195833.3 C (91.9 F)
195934.4 C (93.9 F)
196032.2 C (90.0 F)
196132.8 C (91.0 F)
196233.3 C (91.9 F)
196332.8 C (91.0 F)
196432.2 C (90.0 F)
196531.1 C (88.0 F)
196631.7 C (89.1 F)
196731.7 C (89.1 F)
196830.6 C (87.1 F)
196930.6 C (87.1 F)
197030.6 C (87.1 F)
197130.6 C (87.1 F)
197231.1 C (88.0 F)
197331.7 C (89.1 F)
197431.7 C (89.1 F)
197531.1 C (88.0 F)
197631.1 C (88.0 F)
197731.7 C (89.1 F)
197829.4 C (84.9 F)
197930.6 C (87.1 F)
198032.2 C (90.0 F)
198131.1 C (88.0 F)
198231.1 C (88.0 F)
198331.7 C (89.1 F)
198433.9 C (93.0 F)
198531.1 C (88.0 F)
198630.0 C (86.0 F)
198731.7 C (89.1 F)
198831.1 C (88.0 F)
198931.7 C (89.1 F)
199032.8 C (91.0 F)
199131.7 C (89.1 F)
199231.1 C (88.0 F)
199330.6 C (87.1 F)
199431.1 C (88.0 F)
199532.2 C (90.0 F)
199631.1 C (88.0 F)
199731.7 C (89.1 F)
199832.2 C (90.0 F)
199931.1 C (88.0 F)
200031.7 C (89.1 F)
200132.2 C (90.0 F)
200736.1 C (97.0 F)
2012n/a

Coldest night (TNn)

Coldest night (TNn) at Cayey 1 E by year The coldest night of the year at Cayey 1 E, 1955 to 2012. The record is 8.9 C (48.0 F) in 1964, marked on the chart; the median year is 10.6 C (51.1 F). 7.51012.51517.5196019701980199020002010Record: 8.9 C (48.0 F) in 1964
The coldest night of the year at Cayey 1 E, 1955 to 2012. The record is 8.9 C (48.0 F) in 1964, marked on the chart; the median year is 10.6 C (51.1 F).
Coldest night (TNn) at Cayey 1 E by year
YearColdest night (TNn)
19559.4 C (48.9 F)
195610.6 C (51.1 F)
195710.6 C (51.1 F)
195810.6 C (51.1 F)
195911.1 C (52.0 F)
196011.1 C (52.0 F)
196110.6 C (51.1 F)
19629.4 C (48.9 F)
196311.1 C (52.0 F)
19648.9 C (48.0 F)
19658.9 C (48.0 F)
196610.0 C (50.0 F)
196710.0 C (50.0 F)
196810.0 C (50.0 F)
196910.0 C (50.0 F)
19709.4 C (48.9 F)
197112.2 C (54.0 F)
197212.2 C (54.0 F)
197310.6 C (51.1 F)
197411.7 C (53.1 F)
197510.6 C (51.1 F)
197611.1 C (52.0 F)
197712.2 C (54.0 F)
197810.0 C (50.0 F)
19798.9 C (48.0 F)
198010.0 C (50.0 F)
198110.0 C (50.0 F)
19828.9 C (48.0 F)
198311.7 C (53.1 F)
198411.1 C (52.0 F)
198511.1 C (52.0 F)
198611.7 C (53.1 F)
198712.8 C (55.0 F)
198811.7 C (53.1 F)
198912.8 C (55.0 F)
199011.7 C (53.1 F)
199110.0 C (50.0 F)
199212.2 C (54.0 F)
199310.0 C (50.0 F)
199411.7 C (53.1 F)
199510.6 C (51.1 F)
199611.7 C (53.1 F)
199711.7 C (53.1 F)
199810.6 C (51.1 F)
199911.1 C (52.0 F)
20008.9 C (48.0 F)
200112.2 C (54.0 F)
200717.2 C (63.0 F)
2012n/a

Wettest day (Rx1day)

Wettest day (Rx1day) at Cayey 1 E by year The wettest day of the year at Cayey 1 E, 1955 to 2012. The record is 357.4 mm (14.1 in) in 1960, marked on the chart; the median year is 100.3 mm (3.9 in). 0100200300400196019701980199020002010Record: 357.4 mm (14.1 in) in 1960
The wettest day of the year at Cayey 1 E, 1955 to 2012. The record is 357.4 mm (14.1 in) in 1960, marked on the chart; the median year is 100.3 mm (3.9 in).
Wettest day (Rx1day) at Cayey 1 E by year
YearWettest day (Rx1day)
195552.1 mm (2.1 in)
1956103.4 mm (4.1 in)
195777.5 mm (3.1 in)
1958101.6 mm (4.0 in)
1959113.3 mm (4.5 in)
1960357.4 mm (14.1 in)
1961299.0 mm (11.8 in)
196294.5 mm (3.7 in)
196348.3 mm (1.9 in)
196444.5 mm (1.8 in)
1965142.2 mm (5.6 in)
196678.7 mm (3.1 in)
196740.6 mm (1.6 in)
196883.3 mm (3.3 in)
1969112.0 mm (4.4 in)
1970238.8 mm (9.4 in)
197171.1 mm (2.8 in)
197277.7 mm (3.1 in)
1973113.5 mm (4.5 in)
1974120.7 mm (4.8 in)
1975145.3 mm (5.7 in)
197671.1 mm (2.8 in)
197777.5 mm (3.1 in)
1978100.3 mm (3.9 in)
1979147.6 mm (5.8 in)
198074.7 mm (2.9 in)
1981165.1 mm (6.5 in)
198289.9 mm (3.5 in)
198383.8 mm (3.3 in)
1984173.2 mm (6.8 in)
1985294.6 mm (11.6 in)
1986117.6 mm (4.6 in)
1987102.6 mm (4.0 in)
1988121.2 mm (4.8 in)
198973.2 mm (2.9 in)
1990109.7 mm (4.3 in)
1991112.0 mm (4.4 in)
199296.8 mm (3.8 in)
199396.5 mm (3.8 in)
199469.9 mm (2.8 in)
199599.1 mm (3.9 in)
1996285.5 mm (11.2 in)
1997218.4 mm (8.6 in)
1998144.8 mm (5.7 in)
199980.5 mm (3.2 in)
2000292.1 mm (11.5 in)
200138.1 mm (1.5 in)
200723.9 mm (0.9 in)
201292.2 mm (3.6 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Cayey 1 E by year The wettest five days of the year at Cayey 1 E, 1955 to 2012. The record is 791.3 mm (31.2 in) in 1970, marked on the chart; the median year is 173.7 mm (6.8 in). 0200400600800196019701980199020002010Record: 791.3 mm (31.2 in) in 1970
The wettest five days of the year at Cayey 1 E, 1955 to 2012. The record is 791.3 mm (31.2 in) in 1970, marked on the chart; the median year is 173.7 mm (6.8 in).
Wettest five days (Rx5day) at Cayey 1 E by year
YearWettest five days (Rx5day)
195587.7 mm (3.5 in)
1956183.4 mm (7.2 in)
1957130.6 mm (5.1 in)
1958149.6 mm (5.9 in)
1959195.2 mm (7.7 in)
1960418.5 mm (16.5 in)
1961327.0 mm (12.9 in)
1962126.1 mm (5.0 in)
196366.4 mm (2.6 in)
196482.9 mm (3.3 in)
1965153.9 mm (6.1 in)
196691.4 mm (3.6 in)
196773.6 mm (2.9 in)
1968134.6 mm (5.3 in)
1969208.6 mm (8.2 in)
1970791.3 mm (31.2 in)
1971133.6 mm (5.3 in)
1972100.6 mm (4.0 in)
1973147.1 mm (5.8 in)
1974203.3 mm (8.0 in)
1975261.7 mm (10.3 in)
197689.4 mm (3.5 in)
1977209.8 mm (8.3 in)
1978236.7 mm (9.3 in)
1979274.8 mm (10.8 in)
1980103.2 mm (4.1 in)
1981216.7 mm (8.5 in)
1982119.1 mm (4.7 in)
1983148.0 mm (5.8 in)
1984387.3 mm (15.2 in)
1985389.4 mm (15.3 in)
1986249.2 mm (9.8 in)
1987287.5 mm (11.3 in)
1988154.8 mm (6.1 in)
1989165.1 mm (6.5 in)
1990174.8 mm (6.9 in)
1991121.7 mm (4.8 in)
1992214.4 mm (8.4 in)
1993145.3 mm (5.7 in)
199491.5 mm (3.6 in)
1995200.5 mm (7.9 in)
1996596.7 mm (23.5 in)
1997317.5 mm (12.5 in)
1998242.3 mm (9.5 in)
1999176.5 mm (6.9 in)
2000312.4 mm (12.3 in)
200159.7 mm (2.4 in)
200748.8 mm (1.9 in)
2012173.7 mm (6.8 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Cayey 1 E by year The longest dry spell of the year at Cayey 1 E, 1955 to 2012. The record is 40 days in 1985, marked on the chart; the median year is 15 days. 010203040196019701980199020002010Record: 40 days in 1985
The longest dry spell of the year at Cayey 1 E, 1955 to 2012. The record is 40 days in 1985, marked on the chart; the median year is 15 days.
Longest dry spell (CDD) at Cayey 1 E by year
YearLongest dry spell (CDD)
195521 days
195620 days
195711 days
195829 days
195912 days
196016 days
19619 days
196211 days
196314 days
196418 days
196512 days
196624 days
19678 days
196815 days
196913 days
197015 days
197114 days
197213 days
197318 days
197412 days
197516 days
197616 days
197717 days
197812 days
197912 days
198022 days
198110 days
198212 days
198319 days
198418 days
198540 days
198614 days
198714 days
198817 days
198938 days
199014 days
199113 days
199215 days
199321 days
199412 days
199521 days
19969 days
199724 days
199812 days
199922 days
200022 days
200117 days
200712 days
20124 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Rainfall Return Levels

44 years, 1955 to 1999

A day with at least 102.6 mm (4.0 in) of rain is expected about once in 2 years. A day with at least 446.5 mm (17.6 in) of rain is expected about once in 100 years.

Rainfall return levels at Cayey 1 E: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years102.6 mm (4.0 in)
5 years155.3 mm (6.1 in)
10 years202.1 mm (8.0 in)
25 years279.6 mm (11.0 in)
50 years354.1 mm (13.9 in)Longer than the 44 years of record
100 years446.5 mm (17.6 in)Longer than the 44 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 44 years of values from 1955 to 1999.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 357.4 mm (14.1 in) in 1960; 299.0 mm (11.8 in) in 1961; 294.6 mm (11.6 in) in 1985.

Download the Data

  • Data for Cayey 1 E standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Cayey 1 E threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).