Daily records
Page built 2026-10-14
Data as of 2026-10-13
Search
Built 2026-10-14 (14 October 2026)

Grafton Olympic Pool Weather Records (ASN00058130)

Record envelope, standing records and threshold days for Grafton Olympic Pool (ASN00058130), Australia, with 50 years of record.

Key Facts for Grafton Olympic Pool

  • Grafton Olympic Pool (ASN00058130) is a weather station in Australia at -29.68 latitude and 152.93 longitude, 9 m (30 ft) above sea level.
  • The station reports from 1966 to 2015, 50 years of record.
  • 1,464 records set at Grafton Olympic Pool still stand.
  • Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
  • Grafton Olympic Pool set a daily record low maximum temperature of 22.6 C (72.7 F) on 13 December 2014.

About the Station

  • Location: Australia, -29.68 latitude, 152.93 longitude.
  • Elevation: 9 m (30 ft).
  • Period of record: 1966 to 2015, 50 years.
  • Eligible elements: tmax, tmin, prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Grafton Olympic Pool, with 2026 drawn through them The band shows the record high and record low for each calendar day at Grafton Olympic Pool. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -1001020304050 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Grafton Olympic Pool. 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 Grafton Olympic Pool, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan43.8 C (110.8 F)12.8 C (55.0 F)n/an/a
Feb42.1 C (107.8 F)12.7 C (54.9 F)n/an/a
Mar39.0 C (102.2 F)10.8 C (51.4 F)n/an/a
Apr36.7 C (98.1 F)3.6 C (38.5 F)n/an/a
May31.7 C (89.1 F)0.5 C (32.9 F)n/an/a
Jun30.5 C (86.9 F)-2.0 C (28.4 F)n/an/a
Jul28.2 C (82.8 F)-2.2 C (28.0 F)n/an/a
Aug36.3 C (97.3 F)-0.2 C (31.6 F)n/an/a
Sep38.3 C (100.9 F)1.8 C (35.2 F)n/an/a
Oct39.3 C (102.7 F)3.9 C (39.0 F)n/an/a
Nov43.8 C (110.8 F)6.7 C (44.1 F)n/an/a
Dec43.4 C (110.1 F)7.0 C (44.6 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Grafton Olympic Pool by the year they were set 1,464 records at Grafton Olympic Pool still stand. 1968 holds the most, with 52. 02040601966: 171967: 451968: 521969: 271970: 341971: 231972: 291973: 361974: 381975: 401976: 241977: 231978: 301979: 341980: 301981: 251982: 181983: 381984: 371985: 241986: 391987: 281988: 211989: 241990: 381991: 321992: 211993: 321994: 271995: 401996: 391997: 331998: 411999: 182000: 312001: 162002: 312003: 402004: 362005: 382006: 262007: 272008: 242009: 242010: 222011: 222012: 182013: 272014: 251966197119761981198619911996200120062011
1,464 records at Grafton Olympic Pool still stand. 1968 holds the most, with 52.
Standing records at Grafton Olympic Pool by the year they were set
Year setStanding records
196617
196745
196852
196927
197034
197123
197229
197336
197438
197540
197624
197723
197830
197934
198030
198125
198218
198338
198437
198524
198639
198728
198821
198924
199038
199132
199221
199332
199427
199540
199639
199733
199841
199918
200031
200116
200231
200340
200436
200538
200626
200727
200824
200924
201022
201122
201218
201327
201425

All-Time Record Progression

1 new records
When Grafton Olympic Pool set new all-time records 1 all-time records were set at Grafton Olympic Pool between 8 January 2004 and 8 January 2004. Each dot is a new record. Record high minimum temperature8 January 2004: Record high minimum temperature 27.4 C (81.3 F)2005
1 all-time records were set at Grafton Olympic Pool between 8 January 2004 and 8 January 2004. Each dot is a new record.
When Grafton Olympic Pool set new all-time records
DateKindDetail
2004-01-08Record high minimum temperatureRecord high minimum temperature 27.4 C (81.3 F)

Wettest Day of Each Month

Mar: 274.3 mm (10.8 in)
Record daily precipitation for each month at Grafton Olympic Pool The wettest day on record for each calendar month at Grafton Olympic Pool. The most was 274.3 mm (10.8 in) on 11 March 1974. 0100200300 Jan: 131.4 mm (5.2 in), 28 January 2013 Jan Feb: 230.0 mm (9.1 in), 24 February 2003 Feb Mar: 274.3 mm (10.8 in), 11 March 1974 Mar Apr: 134.6 mm (5.3 in), 2 April 1989 Apr May: 172.6 mm (6.8 in), 22 May 2009 May Jun: 182.9 mm (7.2 in), 13 June 1967 Jun Jul: 96.4 mm (3.8 in), 9 July 1985 Jul Aug: 111.3 mm (4.4 in), 21 August 2007 Aug Sep: 56.1 mm (2.2 in), 5 September 1971 Sep Oct: 98.6 mm (3.9 in), 29 October 1972 Oct Nov: 112.5 mm (4.4 in), 8 November 1966 Nov Dec: 112.4 mm (4.4 in), 8 December 1993 Dec
The wettest day on record for each calendar month at Grafton Olympic Pool. The most was 274.3 mm (10.8 in) on 11 March 1974.
Record daily precipitation for each month at Grafton Olympic Pool
MonthRecord daily precipitation (mm)Date
Jan131.4 mm (5.2 in)28 January 2013
Feb230.0 mm (9.1 in)24 February 2003
Mar274.3 mm (10.8 in)11 March 1974
Apr134.6 mm (5.3 in)2 April 1989
May172.6 mm (6.8 in)22 May 2009
Jun182.9 mm (7.2 in)13 June 1967
Jul96.4 mm (3.8 in)9 July 1985
Aug111.3 mm (4.4 in)21 August 2007
Sep56.1 mm (2.2 in)5 September 1971
Oct98.6 mm (3.9 in)29 October 1972
Nov112.5 mm (4.4 in)8 November 1966
Dec112.4 mm (4.4 in)8 December 1993

Period of Record Coverage

1966 to 2015
Days with data per year at Grafton Olympic Pool 50 years of record at Grafton Olympic Pool, 1966 to 2015. 3 years have data for under 90 percent of days and are left out of rankings: 1966, 1970, 2015. 1966: 122 of 365 days1967: 352 of 365 days1968: 364 of 366 days1969: 360 of 365 days1970: 307 of 365 days1971: 365 of 365 days1972: 365 of 366 days1973: 364 of 365 days1974: 365 of 365 days1975: 365 of 365 days1976: 366 of 366 days1977: 365 of 365 days1978: 365 of 365 days1979: 365 of 365 days1980: 366 of 366 days1981: 365 of 365 days1982: 365 of 365 days1983: 365 of 365 days1984: 366 of 366 days1985: 365 of 365 days1986: 365 of 365 days1987: 364 of 365 days1988: 362 of 366 days1989: 364 of 365 days1990: 365 of 365 days1991: 365 of 365 days1992: 366 of 366 days1993: 365 of 365 days1994: 365 of 365 days1995: 365 of 365 days1996: 366 of 366 days1997: 365 of 365 days1998: 365 of 365 days1999: 365 of 365 days2000: 366 of 366 days2001: 365 of 365 days2002: 364 of 365 days2003: 365 of 365 days2004: 362 of 366 days2005: 365 of 365 days2006: 365 of 365 days2007: 365 of 365 days2008: 366 of 366 days2009: 361 of 365 days2010: 365 of 365 days2011: 365 of 365 days2012: 366 of 366 days2013: 365 of 365 days2014: 361 of 365 days2015: 8 of 365 days19701980199020002010
50 years of record at Grafton Olympic Pool, 1966 to 2015. 3 years have data for under 90 percent of days and are left out of rankings: 1966, 1970, 2015.
Days with data per year at Grafton Olympic Pool
YearDays with dataShare of yearComplete
196612233%No
196735296%Yes
196836499%Yes
196936099%Yes
197030784%No
1971365100%Yes
1972365100%Yes
1973364100%Yes
1974365100%Yes
1975365100%Yes
1976366100%Yes
1977365100%Yes
1978365100%Yes
1979365100%Yes
1980366100%Yes
1981365100%Yes
1982365100%Yes
1983365100%Yes
1984366100%Yes
1985365100%Yes
1986365100%Yes
1987364100%Yes
198836299%Yes
1989364100%Yes
1990365100%Yes
1991365100%Yes
1992366100%Yes
1993365100%Yes
1994365100%Yes
1995365100%Yes
1996366100%Yes
1997365100%Yes
1998365100%Yes
1999365100%Yes
2000366100%Yes
2001365100%Yes
2002364100%Yes
2003365100%Yes
200436299%Yes
2005365100%Yes
2006365100%Yes
2007365100%Yes
2008366100%Yes
200936199%Yes
2010365100%Yes
2011365100%Yes
2012366100%Yes
2013365100%Yes
201436199%Yes
201582%No

Latest Records

20
Latest records at Grafton Olympic Pool
DateStationRecordValueBeat old record byOld record stoodSignificance
13 December 2014Grafton Olympic Pool, AUdaily low max22.6 C (72.7 F)1.6 C (2.9 F)40 years20 of 100 (Routine)
11 December 2014Grafton Olympic Pool, AUdaily high min22.5 C (72.5 F)0.2 C (0.4 F)37 years15 of 100 (Routine)
5 December 2014Grafton Olympic Pool, AUdaily rain52.7 mm (2.1 in)11.1 mm (0.4 in)21 years18 of 100 (Routine)
24 November 2014Grafton Olympic Pool, AUdaily high min21.9 C (71.4 F)0.3 C (0.5 F)39 years16 of 100 (Routine)
23 November 2014Grafton Olympic Pool, AUdaily high max39.5 C (103.1 F)1.2 C (2.2 F)47 years20 of 100 (Routine)
23 November 2014Grafton Olympic Pool, AUdaily high min23.4 C (74.1 F)1.2 C (2.2 F)3 years8 of 100 (Routine)
22 November 2014Grafton Olympic Pool, AUdaily high min22.2 C (72.0 F)1.0 C (1.8 F)4 years8 of 100 (Routine)
19 November 2014Grafton Olympic Pool, AUdaily high min22.4 C (72.3 F)2.0 C (3.6 F)13 years15 of 100 (Routine)
15 November 2014Grafton Olympic Pool, AUdaily high max42.5 C (108.5 F)1.3 C (2.3 F)17 years12 of 100 (Routine)
2 November 2014Grafton Olympic Pool, AUdaily high min21.4 C (70.5 F)0.4 C (0.7 F)7 years7 of 100 (Routine)
1 November 2014Grafton Olympic Pool, AUdaily high max34.2 C (93.6 F)0.1 C (0.2 F)1 year4 of 100 (Routine)
28 October 2014Grafton Olympic Pool, AUdaily high min20.5 C (68.9 F)2.1 C (3.8 F)4 years12 of 100 (Routine)
26 October 2014Grafton Olympic Pool, AUdaily high max36.8 C (98.2 F)1.7 C (3.1 F)8 years10 of 100 (Routine)
25 October 2014Grafton Olympic Pool, AUdaily high max35.2 C (95.4 F)0.2 C (0.4 F)40 years16 of 100 (Routine)
20 September 2014Grafton Olympic Pool, AUdaily rain24.6 mm (1.0 in)14.0 mm (0.6 in)4 years20 of 100 (Routine)
28 August 2014Grafton Olympic Pool, AUdaily rain81.6 mm (3.2 in)53.7 mm (2.1 in)44 years57 of 100 (Notable)
23 August 2014Grafton Olympic Pool, AUdaily rain11.8 mm (0.5 in)4.8 mm (0.19 in)5 years9 of 100 (Routine)
17 August 2014Grafton Olympic Pool, AUdaily rain54.2 mm (2.1 in)32.4 mm (1.3 in)28 years43 of 100 (Notable)
23 July 2014Grafton Olympic Pool, AUdaily rain16.2 mm (0.6 in)14.4 mm (0.6 in)29 years20 of 100 (Routine)
28 June 2014Grafton Olympic Pool, AUdaily high max24.8 C (76.6 F)0.5 C (0.9 F)23 years12 of 100 (Routine)

Climate Trend

44 complete years, 1967 to 2014
Annual mean temperature at Grafton Olympic Pool as warming stripes, 1967 to 2014 One stripe for each of 44 complete years at Grafton Olympic Pool, 1967 to 2014. Blue stripes are years cooler than the station's own mean of 19.8 C (67.6 F); red stripes are warmer. The coolest year was 1967, at 18.9 C (66.1 F), and the warmest was 1998, at 20.7 C (69.3 F). The strongest colour marks a difference of 1.0 C (1.8 F). 1967: 18.9 C, -0.8 C from the station mean1968: 19.3 C, -0.5 C from the station mean1971: 19.0 C, -0.8 C from the station mean1972: 19.1 C, -0.7 C from the station mean1973: 20.6 C, +0.8 C from the station mean1974: 19.1 C, -0.7 C from the station mean1975: 19.3 C, -0.5 C from the station mean1976: 19.3 C, -0.5 C from the station mean1977: 19.7 C, -0.1 C from the station mean1978: 19.2 C, -0.6 C from the station mean1979: 19.7 C, -0.1 C from the station mean1981: 19.7 C, -0.1 C from the station mean1982: 19.4 C, -0.3 C from the station mean1983: 19.7 C, -0.1 C from the station mean1984: 19.2 C, -0.6 C from the station mean1985: 19.4 C, -0.4 C from the station mean1986: 19.6 C, -0.2 C from the station mean1987: 20.0 C, +0.2 C from the station mean1988: 20.0 C, +0.3 C from the station mean1989: 19.4 C, -0.4 C from the station mean1990: 19.9 C, +0.1 C from the station mean1992: 19.5 C, -0.3 C from the station mean1993: 20.1 C, +0.4 C from the station mean1994: 19.6 C, -0.1 C from the station mean1995: 19.9 C, +0.1 C from the station mean1996: 19.8 C, 0.0 C from the station mean1997: 20.1 C, +0.3 C from the station mean1998: 20.7 C, +0.9 C from the station mean1999: 19.6 C, -0.1 C from the station mean2000: 19.9 C, +0.1 C from the station mean2001: 20.0 C, +0.3 C from the station mean2002: 20.4 C, +0.7 C from the station mean2003: 19.9 C, +0.1 C from the station mean2004: 20.3 C, +0.5 C from the station mean2005: 20.6 C, +0.8 C from the station mean2006: 19.8 C, +0.1 C from the station mean2007: 20.0 C, +0.2 C from the station mean2008: 19.5 C, -0.3 C from the station mean2009: 20.5 C, +0.7 C from the station mean2010: 20.1 C, +0.3 C from the station mean2011: 19.7 C, 0.0 C from the station mean2012: 19.8 C, 0.0 C from the station mean2013: 20.2 C, +0.4 C from the station mean2014: 20.5 C, +0.7 C from the station mean1967197019751980198519901995200020052010
One stripe for each of 44 complete years at Grafton Olympic Pool, 1967 to 2014. Blue stripes are years cooler than the station's own mean of 19.8 C (67.6 F); red stripes are warmer. The coolest year was 1967, at 18.9 C (66.1 F), and the warmest was 1998, at 20.7 C (69.3 F). The strongest colour marks a difference of 1.0 C (1.8 F).
Annual mean temperature at Grafton Olympic Pool as warming stripes, 1967 to 2014
YearAnnual mean temperatureDifference from the station mean
196718.9 C-0.83 C
196819.3 C-0.46 C
197119.0 C-0.79 C
197219.1 C-0.69 C
197320.6 C+0.78 C
197419.1 C-0.71 C
197519.3 C-0.45 C
197619.3 C-0.51 C
197719.7 C-0.12 C
197819.2 C-0.55 C
197919.7 C-0.10 C
198119.7 C-0.10 C
198219.4 C-0.34 C
198319.7 C-0.09 C
198419.2 C-0.62 C
198519.4 C-0.41 C
198619.6 C-0.20 C
198720.0 C+0.22 C
198820.0 C+0.27 C
198919.4 C-0.37 C
199019.9 C+0.14 C
199219.5 C-0.26 C
199320.1 C+0.36 C
199419.6 C-0.13 C
199519.9 C+0.14 C
199619.8 C-0.01 C
199720.1 C+0.31 C
199820.7 C+0.95 C
199919.6 C-0.14 C
200019.9 C+0.08 C
200120.0 C+0.27 C
200220.4 C+0.67 C
200319.9 C+0.10 C
200420.3 C+0.54 C
200520.6 C+0.85 C
200619.8 C+0.07 C
200720.0 C+0.21 C
200819.5 C-0.28 C
200920.5 C+0.70 C
201020.1 C+0.34 C
201119.7 C-0.04 C
201219.8 C+0.05 C
201320.2 C+0.45 C
201420.5 C+0.74 C

The annual mean temperature here has risen by 0.2 C (0.1 to 0.3) per decade over 1967 to 2014. In Fahrenheit: 0.4 F (0.3 to 0.5) per decade. The slope is a straight line fitted to 44 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Grafton Olympic Pool
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.2 C (0.1 to 0.3) per decade0.4 F (0.3 to 0.5) per decade1967 to 201444Rise
Mean daily maximum0.2 C (0.1 to 0.4) per decade0.4 F (0.2 to 0.6) per decade1967 to 201444Rise
Mean daily minimum0.2 C (0.1 to 0.3) per decade0.4 F (0.2 to 0.5) per decade1967 to 201444Rise

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

1966 to 2015
Yearly extremes at Grafton Olympic Pool: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)43.8 C (110.8 F)196839.0 C (102.2 F)50
Coldest night (TNn)-2.2 C (28.0 F)19700.6 C (33.2 F)50
Wettest day (Rx1day)274.3 mm (10.8 in)197491.5 mm (3.6 in)50
Wettest five days (Rx5day)514.9 mm (20.3 in)1974166.0 mm (6.5 in)50
Longest dry spell (CDD)73 days200229 days50

Hottest day (TXx)

Hottest day (TXx) at Grafton Olympic Pool by year The hottest day of the year at Grafton Olympic Pool, 1966 to 2015. The record is 43.8 C (110.8 F) in 1968, marked on the chart; the median year is 39.0 C (102.2 F). 3035404519701980199020002010Record: 43.8 C (110.8 F) in 1968
The hottest day of the year at Grafton Olympic Pool, 1966 to 2015. The record is 43.8 C (110.8 F) in 1968, marked on the chart; the median year is 39.0 C (102.2 F).
Hottest day (TXx) at Grafton Olympic Pool by year
YearHottest day (TXx)
196633.9 C (93.0 F)
196738.3 C (100.9 F)
196843.8 C (110.8 F)
196938.9 C (102.0 F)
197037.8 C (100.0 F)
197138.4 C (101.1 F)
197241.0 C (105.8 F)
197338.6 C (101.5 F)
197439.0 C (102.2 F)
197539.0 C (102.2 F)
197637.9 C (100.2 F)
197740.0 C (104.0 F)
197837.0 C (98.6 F)
197940.5 C (104.9 F)
198043.6 C (110.5 F)
198141.7 C (107.1 F)
198237.7 C (99.9 F)
198339.6 C (103.3 F)
198439.0 C (102.2 F)
198539.2 C (102.6 F)
198640.0 C (104.0 F)
198738.2 C (100.8 F)
198839.3 C (102.7 F)
198938.6 C (101.5 F)
199043.4 C (110.1 F)
199138.2 C (100.8 F)
199235.6 C (96.1 F)
199338.0 C (100.4 F)
199443.8 C (110.8 F)
199539.6 C (103.3 F)
199641.2 C (106.2 F)
199739.7 C (103.5 F)
199838.3 C (100.9 F)
199936.5 C (97.7 F)
200038.2 C (100.8 F)
200139.6 C (103.3 F)
200242.6 C (108.7 F)
200341.6 C (106.9 F)
200443.7 C (110.7 F)
200541.4 C (106.5 F)
200641.6 C (106.9 F)
200738.0 C (100.4 F)
200837.2 C (99.0 F)
200942.5 C (108.5 F)
201037.5 C (99.5 F)
201138.1 C (100.6 F)
201238.9 C (102.0 F)
201340.8 C (105.4 F)
201442.5 C (108.5 F)
201533.0 C (91.4 F)

Coldest night (TNn)

Coldest night (TNn) at Grafton Olympic Pool by year The coldest night of the year at Grafton Olympic Pool, 1966 to 2015. The record is -2.2 C (28.0 F) in 1970, marked on the chart; the median year is 0.6 C (33.2 F). -100102019701980199020002010Record: -2.2 C (28.0 F) in 1970
The coldest night of the year at Grafton Olympic Pool, 1966 to 2015. The record is -2.2 C (28.0 F) in 1970, marked on the chart; the median year is 0.6 C (33.2 F).
Coldest night (TNn) at Grafton Olympic Pool by year
YearColdest night (TNn)
19663.3 C (37.9 F)
19670.6 C (33.1 F)
1968-0.6 C (30.9 F)
1969-0.1 C (31.8 F)
1970-2.2 C (28.0 F)
1971-0.9 C (30.4 F)
1972-0.7 C (30.7 F)
19732.7 C (36.9 F)
19740.2 C (32.4 F)
19751.8 C (35.2 F)
19761.1 C (34.0 F)
1977-0.2 C (31.6 F)
1978-0.5 C (31.1 F)
19791.0 C (33.8 F)
19801.2 C (34.2 F)
19810.3 C (32.5 F)
1982-0.2 C (31.6 F)
19831.2 C (34.2 F)
19841.2 C (34.2 F)
1985-0.5 C (31.1 F)
1986-1.0 C (30.2 F)
19871.7 C (35.1 F)
19883.1 C (37.6 F)
19891.3 C (34.3 F)
1990-2.0 C (28.4 F)
19910.3 C (32.5 F)
19920.8 C (33.4 F)
19931.0 C (33.8 F)
19940.2 C (32.4 F)
1995-0.5 C (31.1 F)
19961.4 C (34.5 F)
19970.7 C (33.3 F)
19981.7 C (35.1 F)
19991.3 C (34.3 F)
20000.8 C (33.4 F)
20011.6 C (34.9 F)
2002-0.8 C (30.6 F)
2003-1.0 C (30.2 F)
20040.2 C (32.4 F)
20050.8 C (33.4 F)
2006-0.5 C (31.1 F)
2007-0.5 C (31.1 F)
20080.2 C (32.4 F)
20091.9 C (35.4 F)
20101.0 C (33.8 F)
2011-0.3 C (31.5 F)
20121.0 C (33.8 F)
20131.1 C (34.0 F)
20140.1 C (32.2 F)
201519.0 C (66.2 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Grafton Olympic Pool by year The wettest day of the year at Grafton Olympic Pool, 1966 to 2015. The record is 274.3 mm (10.8 in) in 1974, marked on the chart; the median year is 91.5 mm (3.6 in). 010020030019701980199020002010Record: 274.3 mm (10.8 in) in 1974
The wettest day of the year at Grafton Olympic Pool, 1966 to 2015. The record is 274.3 mm (10.8 in) in 1974, marked on the chart; the median year is 91.5 mm (3.6 in).
Wettest day (Rx1day) at Grafton Olympic Pool by year
YearWettest day (Rx1day)
1966112.5 mm (4.4 in)
1967182.9 mm (7.2 in)
196881.8 mm (3.2 in)
196954.1 mm (2.1 in)
197051.6 mm (2.0 in)
197156.1 mm (2.2 in)
197298.6 mm (3.9 in)
197367.1 mm (2.6 in)
1974274.3 mm (10.8 in)
1975101.0 mm (4.0 in)
1976122.8 mm (4.8 in)
1977110.0 mm (4.3 in)
197844.6 mm (1.8 in)
197975.2 mm (3.0 in)
1980107.6 mm (4.2 in)
198191.6 mm (3.6 in)
198282.8 mm (3.3 in)
198369.2 mm (2.7 in)
198443.6 mm (1.7 in)
198596.4 mm (3.8 in)
198662.0 mm (2.4 in)
198759.2 mm (2.3 in)
1988103.2 mm (4.1 in)
1989134.6 mm (5.3 in)
1990105.4 mm (4.1 in)
1991102.6 mm (4.0 in)
199285.0 mm (3.3 in)
1993112.4 mm (4.4 in)
199443.2 mm (1.7 in)
199580.8 mm (3.2 in)
1996141.0 mm (5.6 in)
199775.0 mm (3.0 in)
1998100.0 mm (3.9 in)
199954.0 mm (2.1 in)
200033.6 mm (1.3 in)
2001207.0 mm (8.1 in)
200247.4 mm (1.9 in)
2003230.0 mm (9.1 in)
200458.0 mm (2.3 in)
200593.2 mm (3.7 in)
2006109.0 mm (4.3 in)
2007111.3 mm (4.4 in)
200883.3 mm (3.3 in)
2009172.6 mm (6.8 in)
201077.3 mm (3.0 in)
201191.4 mm (3.6 in)
2012129.2 mm (5.1 in)
2013211.4 mm (8.3 in)
201481.6 mm (3.2 in)
201511.8 mm (0.5 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Grafton Olympic Pool by year The wettest five days of the year at Grafton Olympic Pool, 1966 to 2015. The record is 514.9 mm (20.3 in) in 1974, marked on the chart; the median year is 166.0 mm (6.5 in). 020040060019701980199020002010Record: 514.9 mm (20.3 in) in 1974
The wettest five days of the year at Grafton Olympic Pool, 1966 to 2015. The record is 514.9 mm (20.3 in) in 1974, marked on the chart; the median year is 166.0 mm (6.5 in).
Wettest five days (Rx5day) at Grafton Olympic Pool by year
YearWettest five days (Rx5day)
1966133.6 mm (5.3 in)
1967302.5 mm (11.9 in)
1968140.2 mm (5.5 in)
1969156.3 mm (6.2 in)
1970196.7 mm (7.7 in)
197182.2 mm (3.2 in)
1972229.2 mm (9.0 in)
1973162.4 mm (6.4 in)
1974514.9 mm (20.3 in)
1975200.4 mm (7.9 in)
1976159.4 mm (6.3 in)
1977164.0 mm (6.5 in)
1978106.3 mm (4.2 in)
1979156.6 mm (6.2 in)
1980276.7 mm (10.9 in)
1981170.0 mm (6.7 in)
1982173.8 mm (6.8 in)
1983171.4 mm (6.7 in)
198481.4 mm (3.2 in)
1985144.0 mm (5.7 in)
198680.4 mm (3.2 in)
1987139.0 mm (5.5 in)
1988291.6 mm (11.5 in)
1989186.0 mm (7.3 in)
1990181.8 mm (7.2 in)
1991164.6 mm (6.5 in)
1992157.6 mm (6.2 in)
1993167.4 mm (6.6 in)
199481.2 mm (3.2 in)
1995197.6 mm (7.8 in)
1996305.4 mm (12.0 in)
1997145.8 mm (5.7 in)
1998144.8 mm (5.7 in)
199995.2 mm (3.7 in)
200072.6 mm (2.9 in)
2001328.6 mm (12.9 in)
200267.4 mm (2.7 in)
2003349.2 mm (13.7 in)
2004148.6 mm (5.9 in)
2005167.8 mm (6.6 in)
2006223.0 mm (8.8 in)
2007162.5 mm (6.4 in)
2008263.2 mm (10.4 in)
2009312.9 mm (12.3 in)
2010169.8 mm (6.7 in)
2011170.4 mm (6.7 in)
2012221.9 mm (8.7 in)
2013280.4 mm (11.0 in)
2014103.3 mm (4.1 in)
201558.3 mm (2.3 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Grafton Olympic Pool by year The longest dry spell of the year at Grafton Olympic Pool, 1966 to 2015. The record is 73 days in 2002, marked on the chart; the median year is 29 days. 02040608019701980199020002010Record: 73 days in 2002
The longest dry spell of the year at Grafton Olympic Pool, 1966 to 2015. The record is 73 days in 2002, marked on the chart; the median year is 29 days.
Longest dry spell (CDD) at Grafton Olympic Pool by year
YearLongest dry spell (CDD)
196615 days
196722 days
196840 days
196929 days
197036 days
197135 days
197254 days
197325 days
197432 days
197536 days
197628 days
197733 days
197824 days
197923 days
198042 days
198131 days
198230 days
198318 days
198424 days
198537 days
198628 days
198721 days
198822 days
198934 days
199026 days
199149 days
199225 days
199325 days
199448 days
199539 days
199634 days
199733 days
199820 days
199913 days
200042 days
200137 days
200273 days
200340 days
200429 days
200524 days
200620 days
200737 days
200827 days
200933 days
201015 days
201121 days
201227 days
201330 days
201420 days
201525 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

48 years, 1967 to 2014

A day with at least 87.5 mm (3.4 in) of rain is expected about once in 2 years. A day with at least 297.3 mm (11.7 in) of rain is expected about once in 100 years.

Rainfall return levels at Grafton Olympic Pool: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years87.5 mm (3.4 in)
5 years130.0 mm (5.1 in)
10 years163.0 mm (6.4 in)
25 years211.0 mm (8.3 in)
50 years251.8 mm (9.9 in)Longer than the 48 years of record
100 years297.3 mm (11.7 in)Longer than the 48 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, 48 years of values from 1967 to 2014.

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: 274.3 mm (10.8 in) in 1974; 230.0 mm (9.1 in) in 2003; 211.4 mm (8.3 in) in 2013.

Station Changes

No change in the annual mean temperature of this station was found against its neighbours.

Download the Data

  • Data for Grafton Olympic Pool standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Grafton Olympic Pool 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-13).