Wau Weather Records (SU000062880)

Record envelope, standing records and threshold days for Wau (SU000062880), Sudan, with 55 years of record.

Key Facts for Wau

Wau (SU000062880) is a weather station in Sudan at 7.70 latitude and 28.02 longitude, 438 m (1,437 ft) above sea level.
The station reports from 1961 to 2015, 55 years of record.
1,464 records set at Wau still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Sudan, 7.70 latitude, 28.02 longitude.
Elevation: 438 m (1,437 ft).
Period of record: 1961 to 2015, 55 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Wau. 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 Wau, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	43.1 C (109.6 F)	9.3 C (48.7 F)	n/a	n/a
Feb	43.5 C (110.3 F)	12.5 C (54.5 F)	n/a	n/a
Mar	44.1 C (111.4 F)	14.9 C (58.8 F)	n/a	n/a
Apr	42.5 C (108.5 F)	16.5 C (61.7 F)	n/a	n/a
May	41.5 C (106.7 F)	19.7 C (67.5 F)	n/a	n/a
Jun	39.5 C (103.1 F)	17.7 C (63.9 F)	n/a	n/a
Jul	37.5 C (99.5 F)	18.0 C (64.4 F)	n/a	n/a
Aug	37.5 C (99.5 F)	18.6 C (65.5 F)	n/a	n/a
Sep	40.0 C (104.0 F)	17.0 C (62.6 F)	n/a	n/a
Oct	39.2 C (102.6 F)	15.7 C (60.3 F)	n/a	n/a
Nov	38.5 C (101.3 F)	11.4 C (52.5 F)	n/a	n/a
Dec	39.6 C (103.3 F)	10.5 C (50.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Wau still stand. 1983 holds the most, with 89.

Standing records at Wau by the year they were set
Year set	Standing records
1961	39
1962	46
1963	46
1964	51
1965	42
1966	26
1967	44
1968	47
1969	45
1970	37
1971	47
1972	53
1973	61
1974	33
1975	36
1976	50
1977	38
1978	47
1979	44
1980	50
1981	65
1982	61
1983	89
1984	62
1985	71
1986	59
1987	69
1988	19
2001	1
2003	1
2004	2
2005	16
2006	30
2007	11
2008	17
2009	5
2010	2
2011	1
2015	1

Wettest Day of Each Month

May: 179.8 mm (7.1 in)

The wettest day on record for each calendar month at Wau. The most was 179.8 mm (7.1 in) on 18 May 2005.

Record daily precipitation for each month at Wau
Month	Record daily precipitation (mm)	Date
Jan	62.2 mm (2.4 in)	9 January 2004
Feb	42.0 mm (1.7 in)	28 February 1969
Mar	62.2 mm (2.4 in)	3 March 2006
Apr	179.3 mm (7.1 in)	23 April 2006
May	179.8 mm (7.1 in)	18 May 2005
Jun	127.0 mm (5.0 in)	22 June 1985
Jul	172.2 mm (6.8 in)	22 July 2006
Aug	119.0 mm (4.7 in)	8 August 1966
Sep	179.8 mm (7.1 in)	30 September 2005
Oct	179.8 mm (7.1 in)	27 October 2004
Nov	49.0 mm (1.9 in)	3 November 1979
Dec	30.2 mm (1.2 in)	21 December 2007

Period of Record Coverage

1961 to 2015

39 years of record at Wau, 1961 to 2015. 12 years have data for under 90 percent of days and are left out of rankings: 1988, 2001, 2003, 2004, 2005, 2006, 2007, 2008 and others.

Days with data per year at Wau
Year	Days with data	Share of year	Complete
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	366	100%	Yes
1965	363	99%	Yes
1966	365	100%	Yes
1967	364	100%	Yes
1968	366	100%	Yes
1969	365	100%	Yes
1970	333	91%	Yes
1971	365	100%	Yes
1972	366	100%	Yes
1973	365	100%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	364	100%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	365	100%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	365	100%	Yes
1984	366	100%	Yes
1985	365	100%	Yes
1986	365	100%	Yes
1987	361	99%	Yes
1988	109	30%	No
2001	3	1%	No
2003	15	4%	No
2004	18	5%	No
2005	82	22%	No
2006	117	32%	No
2007	74	20%	No
2008	56	15%	No
2009	21	6%	No
2010	9	2%	No
2011	3	1%	No
2015	1	0%	No

Latest Records

No records were set at this station in the latest data.

Climate Trend

26 complete years, 1961 to 1987

One stripe for each of 26 complete years at Wau, 1961 to 1987. Blue stripes are years cooler than the station's own mean of 27.8 C (82.0 F); red stripes are warmer. The coolest year was 1964, at 27.1 C (80.8 F), and the warmest was 1980, at 28.4 C (83.2 F). The strongest colour marks a difference of 0.7 C (1.3 F).

Annual mean temperature at Wau as warming stripes, 1961 to 1987
Year	Annual mean temperature	Difference from the station mean
1961	27.2 C	-0.57 C
1962	27.6 C	-0.22 C
1963	27.7 C	-0.11 C
1964	27.1 C	-0.66 C
1965	27.7 C	-0.06 C
1966	27.8 C	+0.05 C
1967	27.3 C	-0.51 C
1968	27.4 C	-0.36 C
1969	28.0 C	+0.26 C
1971	27.7 C	-0.11 C
1972	28.1 C	+0.34 C
1973	27.6 C	-0.14 C
1974	27.4 C	-0.41 C
1975	27.8 C	-0.03 C
1976	27.6 C	-0.20 C
1977	27.8 C	+0.03 C
1978	27.9 C	+0.11 C
1979	28.1 C	+0.36 C
1980	28.4 C	+0.66 C
1981	28.1 C	+0.31 C
1982	27.9 C	+0.11 C
1983	28.0 C	+0.19 C
1984	27.8 C	+0.01 C
1985	28.0 C	+0.18 C
1986	28.1 C	+0.28 C
1987	28.2 C	+0.45 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

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

1961 to 2015

Yearly extremes at Wau: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	44.1 C (111.4 F)	2007	41.4 C (106.5 F)	39
Coldest night (TNn)	9.3 C (48.7 F)	1962	14.7 C (58.5 F)	39
Wettest day (Rx1day)	179.8 mm (7.1 in)	2004	72.0 mm (2.8 in)	35
Wettest five days (Rx5day)	212.0 mm (8.3 in)	1966	118.0 mm (4.6 in)	26
Longest dry spell (CDD)	99 days	1972	66 days	32

Hottest day (TXx)

The hottest day of the year at Wau, 1961 to 2015. The record is 44.1 C (111.4 F) in 2007, marked on the chart; the median year is 41.4 C (106.5 F).

Hottest day (TXx) at Wau by year
Year	Hottest day (TXx)
1961	41.1 C (106.0 F)
1962	41.0 C (105.8 F)
1963	41.4 C (106.5 F)
1964	41.6 C (106.9 F)
1965	40.8 C (105.4 F)
1966	43.1 C (109.6 F)
1967	42.0 C (107.6 F)
1968	40.2 C (104.4 F)
1969	41.2 C (106.2 F)
1970	41.3 C (106.3 F)
1971	41.5 C (106.7 F)
1972	41.4 C (106.5 F)
1973	40.5 C (104.9 F)
1974	40.5 C (104.9 F)
1975	41.1 C (106.0 F)
1976	40.5 C (104.9 F)
1977	41.3 C (106.3 F)
1978	41.7 C (107.1 F)
1979	41.5 C (106.7 F)
1980	42.1 C (107.8 F)
1981	41.7 C (107.1 F)
1982	43.5 C (110.3 F)
1983	41.4 C (106.5 F)
1984	42.0 C (107.6 F)
1985	42.6 C (108.7 F)
1986	41.5 C (106.7 F)
1987	43.0 C (109.4 F)
1988	43.0 C (109.4 F)
2001	33.5 C (92.3 F)
2003	38.2 C (100.8 F)
2004	42.5 C (108.5 F)
2005	43.5 C (110.3 F)
2006	44.0 C (111.2 F)
2007	44.1 C (111.4 F)
2008	40.3 C (104.5 F)
2009	40.3 C (104.5 F)
2010	38.0 C (100.4 F)
2011	39.0 C (102.2 F)
2015	37.5 C (99.5 F)

Coldest night (TNn)

The coldest night of the year at Wau, 1961 to 2015. The record is 9.3 C (48.7 F) in 1962, marked on the chart; the median year is 14.7 C (58.5 F).

Coldest night (TNn) at Wau by year
Year	Coldest night (TNn)
1961	10.6 C (51.1 F)
1962	9.3 C (48.7 F)
1963	13.6 C (56.5 F)
1964	12.7 C (54.9 F)
1965	10.1 C (50.2 F)
1966	14.0 C (57.2 F)
1967	14.4 C (57.9 F)
1968	12.8 C (55.0 F)
1969	15.0 C (59.0 F)
1970	13.5 C (56.3 F)
1971	12.6 C (54.7 F)
1972	14.7 C (58.5 F)
1973	15.2 C (59.4 F)
1974	15.0 C (59.0 F)
1975	13.8 C (56.8 F)
1976	13.4 C (56.1 F)
1977	14.1 C (57.4 F)
1978	12.6 C (54.7 F)
1979	14.8 C (58.6 F)
1980	15.7 C (60.3 F)
1981	15.7 C (60.3 F)
1982	12.5 C (54.5 F)
1983	10.3 C (50.5 F)
1984	11.4 C (52.5 F)
1985	15.6 C (60.1 F)
1986	13.2 C (55.8 F)
1987	13.0 C (55.4 F)
1988	15.0 C (59.0 F)
2001	20.5 C (68.9 F)
2003	15.2 C (59.4 F)
2004	19.0 C (66.2 F)
2005	16.6 C (61.9 F)
2006	15.0 C (59.0 F)
2007	16.0 C (60.8 F)
2008	17.0 C (62.6 F)
2009	18.0 C (64.4 F)
2010	20.5 C (68.9 F)
2011	22.0 C (71.6 F)
2015	21.5 C (70.7 F)

Wettest day (Rx1day)

The wettest day of the year at Wau, 1961 to 2015. The record is 179.8 mm (7.1 in) in 2004, marked on the chart; the median year is 72.0 mm (2.8 in).

Wettest day (Rx1day) at Wau by year
Year	Wettest day (Rx1day)
1961	n/a
1962	95.0 mm (3.7 in)
1963	n/a
1964	76.0 mm (3.0 in)
1965	78.0 mm (3.1 in)
1966	119.0 mm (4.7 in)
1967	99.0 mm (3.9 in)
1968	69.0 mm (2.7 in)
1969	105.0 mm (4.1 in)
1970	55.0 mm (2.2 in)
1971	61.0 mm (2.4 in)
1972	57.0 mm (2.2 in)
1973	85.0 mm (3.3 in)
1974	73.0 mm (2.9 in)
1975	64.0 mm (2.5 in)
1976	63.0 mm (2.5 in)
1977	77.0 mm (3.0 in)
1978	65.0 mm (2.6 in)
1979	81.0 mm (3.2 in)
1980	80.0 mm (3.1 in)
1981	114.0 mm (4.5 in)
1982	72.0 mm (2.8 in)
1983	48.0 mm (1.9 in)
1984	65.0 mm (2.6 in)
1985	127.0 mm (5.0 in)
1986	46.0 mm (1.8 in)
1987	95.0 mm (3.7 in)
1988	55.0 mm (2.2 in)
2001	7.1 mm (0.28 in)
2003	17.0 mm (0.7 in)
2004	179.8 mm (7.1 in)
2005	179.8 mm (7.1 in)
2006	179.3 mm (7.1 in)
2007	56.9 mm (2.2 in)
2008	40.9 mm (1.6 in)
2009	2.0 mm (0.08 in)
2010	n/a
2011	62.2 mm (2.4 in)
2015	n/a

Wettest five days (Rx5day)

The wettest five days of the year at Wau, 1961 to 2015. The record is 212.0 mm (8.3 in) in 1966, marked on the chart; the median year is 118.0 mm (4.6 in).

Wettest five days (Rx5day) at Wau by year
Year	Wettest five days (Rx5day)
1961	n/a
1962	160.0 mm (6.3 in)
1963	n/a
1964	116.0 mm (4.6 in)
1965	132.0 mm (5.2 in)
1966	212.0 mm (8.3 in)
1967	120.0 mm (4.7 in)
1968	96.0 mm (3.8 in)
1969	156.0 mm (6.1 in)
1970	87.0 mm (3.4 in)
1971	76.0 mm (3.0 in)
1972	93.0 mm (3.7 in)
1973	116.0 mm (4.6 in)
1974	93.0 mm (3.7 in)
1975	126.0 mm (5.0 in)
1976	129.0 mm (5.1 in)
1977	114.0 mm (4.5 in)
1978	133.0 mm (5.2 in)
1979	131.0 mm (5.2 in)
1980	107.0 mm (4.2 in)
1981	130.0 mm (5.1 in)
1982	103.0 mm (4.1 in)
1983	77.0 mm (3.0 in)
1984	134.0 mm (5.3 in)
1985	152.0 mm (6.0 in)
1986	90.0 mm (3.5 in)
1987	132.0 mm (5.2 in)
1988	87.0 mm (3.4 in)
2001	n/a
2003	n/a
2004	n/a
2005	n/a
2006	n/a
2007	n/a
2008	n/a
2009	n/a
2010	n/a
2011	n/a
2015	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Wau, 1961 to 2015. The record is 99 days in 1972, marked on the chart; the median year is 66 days.

Longest dry spell (CDD) at Wau by year
Year	Longest dry spell (CDD)
1961	n/a
1962	85 days
1963	n/a
1964	93 days
1965	43 days
1966	69 days
1967	79 days
1968	75 days
1969	54 days
1970	64 days
1971	76 days
1972	99 days
1973	88 days
1974	74 days
1975	56 days
1976	63 days
1977	61 days
1978	70 days
1979	53 days
1980	84 days
1981	67 days
1982	67 days
1983	91 days
1984	60 days
1985	76 days
1986	73 days
1987	47 days
1988	61 days
2001	n/a
2003	1 day
2004	1 day
2005	1 day
2006	1 day
2007	1 day
2008	1 day
2009	n/a
2010	n/a
2011	n/a
2015	n/a

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.

Download the Data

Data for Wau standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Wau 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 2026-10-12 (12 October 2026). Records are computed by this site and are not official.

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