Chandler Weather Records (USC00021511)

Record envelope, standing records and threshold days for Chandler (USC00021511), Arizona, United States, with 69 years of record.

Key Facts for Chandler

Chandler (USC00021511) is a weather station in Arizona, United States at 33.30 latitude and -111.83 longitude, 372 m (1,220 ft) above sea level.
The station reports from 1912 to 1980, 69 years of record.
1,464 records set at Chandler still stand.
Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
Chandler set a daily record precipitation of 13.5 mm (0.5 in) on 5 September 1980.

About the Station

Location: Arizona, United States, 33.30 latitude, -111.83 longitude.
Elevation: 372 m (1,220 ft).
Period of record: 1912 to 1980, 69 years.
Eligible elements: prcp, snow, snwd.

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 Chandler. 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 Chandler, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	28.3 C (82.9 F)	-12.8 C (9.0 F)	n/a	n/a
Feb	36.7 C (98.1 F)	-6.1 C (21.0 F)	n/a	n/a
Mar	33.3 C (91.9 F)	-4.4 C (24.1 F)	n/a	n/a
Apr	40.0 C (104.0 F)	-1.7 C (28.9 F)	n/a	n/a
May	42.2 C (108.0 F)	1.7 C (35.1 F)	n/a	n/a
Jun	47.8 C (118.0 F)	5.0 C (41.0 F)	n/a	n/a
Jul	50.6 C (123.1 F)	11.7 C (53.1 F)	n/a	n/a
Aug	46.7 C (116.1 F)	8.9 C (48.0 F)	n/a	n/a
Sep	44.4 C (111.9 F)	4.4 C (39.9 F)	n/a	n/a
Oct	41.1 C (106.0 F)	-0.6 C (30.9 F)	n/a	n/a
Nov	36.7 C (98.1 F)	-5.0 C (23.0 F)	n/a	n/a
Dec	30.0 C (86.0 F)	-11.1 C (12.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Chandler still stand. 1913 holds the most, with 79.

Standing records at Chandler by the year they were set
Year set	Standing records
1912	4
1913	79
1914	37
1915	53
1916	66
1917	49
1918	56
1919	57
1920	53
1921	72
1922	54
1923	51
1924	49
1925	60
1926	42
1927	53
1928	48
1929	40
1930	54
1931	52
1932	42
1933	64
1934	3
1964	20
1972	16
1973	54
1974	33
1975	35
1976	15
1977	31
1978	44
1979	32
1980	46

Wettest Day of Each Month

Sep: 74.9 mm (2.9 in)

The wettest day on record for each calendar month at Chandler. The most was 74.9 mm (2.9 in) on 8 September 1916.

Record daily precipitation for each month at Chandler
Month	Record daily precipitation (mm)	Date
Jan	44.5 mm (1.8 in)	18 January 1916
Feb	34.3 mm (1.4 in)	14 February 1978
Mar	50.8 mm (2.0 in)	29 March 1926
Apr	50.8 mm (2.0 in)	28 April 1933
May	19.8 mm (0.8 in)	14 May 1977
Jun	30.5 mm (1.2 in)	18 June 1949
Jul	44.5 mm (1.8 in)	29 July 1917
Aug	59.9 mm (2.4 in)	28 August 1951
Sep	74.9 mm (2.9 in)	8 September 1916
Oct	44.2 mm (1.7 in)	8 October 1932
Nov	35.6 mm (1.4 in)	10 November 1923
Dec	51.8 mm (2.0 in)	31 December 1915

Period of Record Coverage

1912 to 1980

34 years of record at Chandler, 1912 to 1980. 10 years have data for under 90 percent of days and are left out of rankings: 1912, 1914, 1928, 1929, 1934, 1963, 1964, 1972 and others.

Days with data per year at Chandler
Year	Days with data	Share of year	Complete
1912	58	16%	No
1913	363	99%	Yes
1914	287	79%	No
1915	363	99%	Yes
1916	359	98%	Yes
1917	355	97%	Yes
1918	354	97%	Yes
1919	351	96%	Yes
1920	361	99%	Yes
1921	347	95%	Yes
1922	361	99%	Yes
1923	352	96%	Yes
1924	356	97%	Yes
1925	352	96%	Yes
1926	365	100%	Yes
1927	338	93%	Yes
1928	316	86%	No
1929	322	88%	No
1930	331	91%	Yes
1931	353	97%	Yes
1932	342	93%	Yes
1933	340	93%	Yes
1934	52	14%	No
1963	8	2%	No
1964	115	31%	No
1972	55	15%	No
1973	364	100%	Yes
1974	365	100%	Yes
1975	363	99%	Yes
1976	354	97%	Yes
1977	362	99%	Yes
1978	352	96%	Yes
1979	324	89%	No
1980	321	88%	No

Latest Records

Latest records at Chandler
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
5 September 1980	Chandler, US	daily rain	13.5 mm (0.5 in)	5.1 mm (0.20 in)	13 years	13 of 100 (Routine)
30 June 1980	Chandler, US	daily rain	5.6 mm (0.22 in)	4.1 mm (0.16 in)	48 years	20 of 100 (Routine)
30 April 1980	Chandler, US	daily rain	2.0 mm (0.08 in)	2.0 mm (0.08 in)	67 years	20 of 100 (Routine)
2 April 1980	Chandler, US	daily rain	3.8 mm (0.15 in)	3.5 mm (0.14 in)	22 years	17 of 100 (Routine)
20 February 1980	Chandler, US	daily rain	13.2 mm (0.5 in)	4.8 mm (0.19 in)	60 years	20 of 100 (Routine)
17 February 1980	Chandler, US	daily rain	9.7 mm (0.38 in)	4.9 mm (0.19 in)	4 years	14 of 100 (Routine)
16 February 1980	Chandler, US	daily rain	15.2 mm (0.6 in)	13.4 mm (0.5 in)	52 years	20 of 100 (Routine)
21 January 1980	Chandler, US	daily rain	11.9 mm (0.5 in)	5.3 mm (0.21 in)	25 years	20 of 100 (Routine)
10 January 1980	Chandler, US	daily rain	6.1 mm (0.24 in)	1.0 mm (0.04 in)	49 years	20 of 100 (Routine)
12 August 1979	Chandler, US	daily rain	16.5 mm (0.6 in)	2.5 mm (0.10 in)	14 years	12 of 100 (Routine)
3 June 1979	Chandler, US	daily rain	5.8 mm (0.23 in)	1.0 mm (0.04 in)	64 years	20 of 100 (Routine)
2 February 1979	Chandler, US	daily rain	3.8 mm (0.15 in)	0.5 mm (0.02 in)	0 years	6 of 100 (Routine)
16 January 1979	Chandler, US	daily rain	24.1 mm (0.9 in)	13.4 mm (0.5 in)	0 years	20 of 100 (Routine)
9 January 1979	Chandler, US	daily rain	7.1 mm (0.28 in)	0.5 mm (0.02 in)	21 years	12 of 100 (Routine)
30 December 1978	Chandler, US	daily rain	11.4 mm (0.4 in)	6.6 mm (0.26 in)	52 years	20 of 100 (Routine)
17 December 1978	Chandler, US	daily rain	38.1 mm (1.5 in)	22.6 mm (0.9 in)	53 years	52 of 100 (Notable)
23 November 1978	Chandler, US	daily rain	12.2 mm (0.5 in)	5.8 mm (0.23 in)	59 years	20 of 100 (Routine)
11 November 1978	Chandler, US	daily rain	16.3 mm (0.6 in)	6.1 mm (0.24 in)	5 years	13 of 100 (Routine)
24 October 1978	Chandler, US	daily rain (Tie)	11.4 mm (0.4 in)	tie	59 years	5 of 100 (Routine)
25 March 1978	Chandler, US	daily rain	1.3 mm (0.05 in)	1.0 mm (0.04 in)	24 years	14 of 100 (Routine)

Climate Trend

19 complete years, 1913 to 1977

One stripe for each of 19 complete years at Chandler, 1913 to 1977. Blue stripes are years cooler than the station's own mean of 19.9 C (67.8 F); red stripes are warmer. The coolest year was 1975, at 18.9 C (66.1 F), and the warmest was 1931, at 21.2 C (70.1 F). The strongest colour marks a difference of 1.4 C (2.5 F).

Annual mean temperature at Chandler as warming stripes, 1913 to 1977
Year	Annual mean temperature	Difference from the station mean
1913	19.7 C	-0.15 C
1915	19.0 C	-0.89 C
1916	19.3 C	-0.59 C
1918	19.7 C	-0.16 C
1919	19.3 C	-0.61 C
1920	19.0 C	-0.87 C
1921	19.8 C	-0.12 C
1922	19.8 C	-0.09 C
1923	19.3 C	-0.54 C
1924	19.8 C	-0.06 C
1925	20.2 C	+0.33 C
1926	20.3 C	+0.42 C
1927	19.8 C	-0.06 C
1931	21.2 C	+1.31 C
1933	20.8 C	+0.96 C
1973	21.0 C	+1.08 C
1974	19.9 C	+0.05 C
1975	18.9 C	-0.95 C
1977	20.7 C	+0.86 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

1912 to 1980

Yearly extremes at Chandler: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	50.6 C (123.1 F)	1979	45.3 C (113.5 F)	34
Coldest night (TNn)	-12.8 C (9.0 F)	1913	-6.1 C (21.0 F)	34
Wettest day (Rx1day)	74.9 mm (2.9 in)	1916	28.6 mm (1.1 in)	56
Wettest five days (Rx5day)	87.6 mm (3.4 in)	1916	34.4 mm (1.4 in)	56
Longest dry spell (CDD)	175 days	1928	79 days	56

Hottest day (TXx)

The hottest day of the year at Chandler, 1912 to 1980. The record is 50.6 C (123.1 F) in 1979, marked on the chart; the median year is 45.3 C (113.5 F).

Hottest day (TXx) at Chandler by year
Year	Hottest day (TXx)
1912	29.4 C (84.9 F)
1913	45.0 C (113.0 F)
1914	45.0 C (113.0 F)
1915	44.4 C (111.9 F)
1916	45.0 C (113.0 F)
1917	44.4 C (111.9 F)
1918	45.6 C (114.1 F)
1919	45.0 C (113.0 F)
1920	45.6 C (114.1 F)
1921	43.3 C (109.9 F)
1922	47.2 C (117.0 F)
1923	44.4 C (111.9 F)
1924	48.3 C (118.9 F)
1925	48.9 C (120.0 F)
1926	46.1 C (115.0 F)
1927	46.1 C (115.0 F)
1928	46.7 C (116.1 F)
1929	47.2 C (117.0 F)
1930	47.8 C (118.0 F)
1931	45.6 C (114.1 F)
1932	45.6 C (114.1 F)
1933	46.7 C (116.1 F)
1934	36.7 C (98.1 F)
1947	n/a
1948	n/a
1949	n/a
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	18.9 C (66.0 F)
1964	40.0 C (104.0 F)
1965	n/a
1966	n/a
1967	n/a
1969	n/a
1970	n/a
1971	n/a
1972	36.7 C (98.1 F)
1973	46.7 C (116.1 F)
1974	45.6 C (114.1 F)
1975	44.4 C (111.9 F)
1976	44.4 C (111.9 F)
1977	43.9 C (111.0 F)
1978	44.4 C (111.9 F)
1979	50.6 C (123.1 F)
1980	46.7 C (116.1 F)

Coldest night (TNn)

The coldest night of the year at Chandler, 1912 to 1980. The record is -12.8 C (9.0 F) in 1913, marked on the chart; the median year is -6.1 C (21.0 F).

Coldest night (TNn) at Chandler by year
Year	Coldest night (TNn)
1912	-6.7 C (19.9 F)
1913	-12.8 C (9.0 F)
1914	-3.3 C (26.1 F)
1915	-6.7 C (19.9 F)
1916	-9.4 C (15.1 F)
1917	-3.9 C (25.0 F)
1918	-5.6 C (21.9 F)
1919	-5.6 C (21.9 F)
1920	-11.1 C (12.0 F)
1921	-6.7 C (19.9 F)
1922	-6.7 C (19.9 F)
1923	-6.1 C (21.0 F)
1924	-5.6 C (21.9 F)
1925	-9.4 C (15.1 F)
1926	-7.2 C (19.0 F)
1927	-5.6 C (21.9 F)
1928	-7.2 C (19.0 F)
1929	-6.7 C (19.9 F)
1930	-5.6 C (21.9 F)
1931	-4.4 C (24.1 F)
1932	-6.1 C (21.0 F)
1933	-6.1 C (21.0 F)
1934	-3.3 C (26.1 F)
1947	n/a
1948	n/a
1949	n/a
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	-0.6 C (30.9 F)
1964	-6.7 C (19.9 F)
1965	n/a
1966	n/a
1967	n/a
1969	n/a
1970	n/a
1971	n/a
1972	-3.9 C (25.0 F)
1973	-2.8 C (27.0 F)
1974	-6.7 C (19.9 F)
1975	-5.6 C (21.9 F)
1976	-8.9 C (16.0 F)
1977	-6.1 C (21.0 F)
1978	-6.1 C (21.0 F)
1979	-5.0 C (23.0 F)
1980	-5.6 C (21.9 F)

Wettest day (Rx1day)

The wettest day of the year at Chandler, 1912 to 1980. The record is 74.9 mm (2.9 in) in 1916, marked on the chart; the median year is 28.6 mm (1.1 in).

Wettest day (Rx1day) at Chandler by year
Year	Wettest day (Rx1day)
1912	14.5 mm (0.6 in)
1913	26.7 mm (1.1 in)
1914	32.5 mm (1.3 in)
1915	51.8 mm (2.0 in)
1916	74.9 mm (2.9 in)
1917	44.5 mm (1.8 in)
1918	37.3 mm (1.5 in)
1919	41.9 mm (1.6 in)
1920	36.8 mm (1.4 in)
1921	33.8 mm (1.3 in)
1922	28.4 mm (1.1 in)
1923	44.5 mm (1.8 in)
1924	15.5 mm (0.6 in)
1925	25.4 mm (1.0 in)
1926	50.8 mm (2.0 in)
1927	19.1 mm (0.8 in)
1928	30.0 mm (1.2 in)
1929	16.8 mm (0.7 in)
1930	19.1 mm (0.8 in)
1931	48.8 mm (1.9 in)
1932	44.2 mm (1.7 in)
1933	50.8 mm (2.0 in)
1934	31.8 mm (1.3 in)
1947	2.5 mm (0.10 in)
1948	16.3 mm (0.6 in)
1949	30.5 mm (1.2 in)
1950	18.0 mm (0.7 in)
1951	59.9 mm (2.4 in)
1952	31.2 mm (1.2 in)
1953	32.5 mm (1.3 in)
1954	20.6 mm (0.8 in)
1955	27.9 mm (1.1 in)
1956	16.3 mm (0.6 in)
1957	33.8 mm (1.3 in)
1958	21.6 mm (0.9 in)
1959	31.2 mm (1.2 in)
1960	16.5 mm (0.6 in)
1961	16.8 mm (0.7 in)
1962	16.3 mm (0.6 in)
1963	29.2 mm (1.1 in)
1964	35.6 mm (1.4 in)
1965	29.0 mm (1.1 in)
1966	40.6 mm (1.6 in)
1967	15.2 mm (0.6 in)
1969	17.0 mm (0.7 in)
1970	34.3 mm (1.4 in)
1971	25.4 mm (1.0 in)
1972	28.7 mm (1.1 in)
1973	15.5 mm (0.6 in)
1974	26.9 mm (1.1 in)
1975	25.7 mm (1.0 in)
1976	25.7 mm (1.0 in)
1977	20.3 mm (0.8 in)
1978	38.1 mm (1.5 in)
1979	24.1 mm (0.9 in)
1980	15.2 mm (0.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Chandler, 1912 to 1980. The record is 87.6 mm (3.4 in) in 1916, marked on the chart; the median year is 34.4 mm (1.4 in).

Wettest five days (Rx5day) at Chandler by year
Year	Wettest five days (Rx5day)
1912	14.5 mm (0.6 in)
1913	43.2 mm (1.7 in)
1914	39.3 mm (1.5 in)
1915	51.8 mm (2.0 in)
1916	87.6 mm (3.4 in)
1917	54.4 mm (2.1 in)
1918	37.3 mm (1.5 in)
1919	50.8 mm (2.0 in)
1920	36.8 mm (1.4 in)
1921	34.3 mm (1.4 in)
1922	22.1 mm (0.9 in)
1923	30.3 mm (1.2 in)
1924	25.7 mm (1.0 in)
1925	31.8 mm (1.3 in)
1926	40.8 mm (1.6 in)
1927	44.7 mm (1.8 in)
1928	30.0 mm (1.2 in)
1929	22.4 mm (0.9 in)
1930	34.5 mm (1.4 in)
1931	76.0 mm (3.0 in)
1932	51.1 mm (2.0 in)
1933	33.6 mm (1.3 in)
1934	31.8 mm (1.3 in)
1947	5.5 mm (0.22 in)
1948	22.1 mm (0.9 in)
1949	30.5 mm (1.2 in)
1950	19.0 mm (0.7 in)
1951	68.8 mm (2.7 in)
1952	33.0 mm (1.3 in)
1953	45.2 mm (1.8 in)
1954	24.7 mm (1.0 in)
1955	75.6 mm (3.0 in)
1956	17.6 mm (0.7 in)
1957	48.2 mm (1.9 in)
1958	25.4 mm (1.0 in)
1959	47.5 mm (1.9 in)
1960	21.9 mm (0.9 in)
1961	19.9 mm (0.8 in)
1962	25.7 mm (1.0 in)
1963	29.2 mm (1.1 in)
1964	35.6 mm (1.4 in)
1965	52.1 mm (2.1 in)
1966	59.1 mm (2.3 in)
1967	16.7 mm (0.7 in)
1969	20.6 mm (0.8 in)
1970	55.1 mm (2.2 in)
1971	46.0 mm (1.8 in)
1972	46.0 mm (1.8 in)
1973	31.7 mm (1.2 in)
1974	38.4 mm (1.5 in)
1975	34.3 mm (1.4 in)
1976	26.2 mm (1.0 in)
1977	32.0 mm (1.3 in)
1978	57.5 mm (2.3 in)
1979	53.0 mm (2.1 in)
1980	43.2 mm (1.7 in)

Longest dry spell (CDD)

The longest dry spell of the year at Chandler, 1912 to 1980. The record is 175 days in 1928, marked on the chart; the median year is 79 days.

Longest dry spell (CDD) at Chandler by year
Year	Longest dry spell (CDD)
1912	31 days
1913	83 days
1914	62 days
1915	69 days
1916	62 days
1917	76 days
1918	84 days
1919	41 days
1920	62 days
1921	93 days
1922	33 days
1923	8 days
1924	38 days
1925	54 days
1926	56 days
1927	55 days
1928	175 days
1929	111 days
1930	44 days
1931	154 days
1932	92 days
1933	82 days
1934	27 days
1947	24 days
1948	97 days
1949	50 days
1950	118 days
1951	23 days
1952	47 days
1953	132 days
1954	106 days
1955	142 days
1956	146 days
1957	52 days
1958	78 days
1959	100 days
1960	78 days
1961	95 days
1962	98 days
1963	100 days
1964	132 days
1965	71 days
1966	79 days
1967	66 days
1969	72 days
1970	116 days
1971	93 days
1972	152 days
1973	158 days
1974	107 days
1975	78 days
1976	64 days
1977	62 days
1978	79 days
1979	84 days
1980	82 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

42 years, 1913 to 1980

A day with at least 26.7 mm (1.1 in) of rain is expected about once in 2 years. A day with at least 70.2 mm (2.8 in) of rain is expected about once in 100 years.

Rainfall return levels at Chandler: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	26.7 mm (1.1 in)
5 years	37.1 mm (1.5 in)
10 years	44.5 mm (1.8 in)
25 years	54.4 mm (2.1 in)
50 years	62.2 mm (2.4 in)	Longer than the 42 years of record
100 years	70.2 mm (2.8 in)	Longer than the 42 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, 42 years of values from 1913 to 1980.

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: 74.9 mm (2.9 in) in 1916; 51.8 mm (2.0 in) in 1915; 48.8 mm (1.9 in) in 1931.

Download the Data

Data for Chandler standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Chandler 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 2026-10-15 (15 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).