Wallace Rs Weather Records (USC00029150)

Record envelope, standing records and threshold days for Wallace Rs (USC00029150), Arizona, United States, with 44 years of record.

Key Facts for Wallace Rs

Wallace Rs (USC00029150) is a weather station in Arizona, United States at 34.53 latitude and -110.92 longitude, 2,138 m (7,014 ft) above sea level.
The station reports from 1916 to 1959, 44 years of record.
1,464 records set at Wallace Rs still stand.
Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
Wallace Rs set a daily record precipitation of 7.1 mm (0.28 in) on 26 April 1959.

About the Station

Location: Arizona, United States, 34.53 latitude, -110.92 longitude.
Elevation: 2,138 m (7,014 ft).
Period of record: 1916 to 1959, 44 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 Wallace Rs. 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 Wallace Rs, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	17.8 C (64.0 F)	-30.0 C (-22.0 F)	n/a	n/a
Feb	20.0 C (68.0 F)	-24.4 C (-11.9 F)	n/a	n/a
Mar	22.2 C (72.0 F)	-22.8 C (-9.0 F)	n/a	n/a
Apr	28.3 C (82.9 F)	-11.7 C (10.9 F)	n/a	n/a
May	31.7 C (89.1 F)	-8.3 C (17.1 F)	n/a	n/a
Jun	35.6 C (96.1 F)	-4.4 C (24.1 F)	n/a	n/a
Jul	35.6 C (96.1 F)	2.8 C (37.0 F)	n/a	n/a
Aug	33.9 C (93.0 F)	1.1 C (34.0 F)	n/a	n/a
Sep	32.8 C (91.0 F)	-2.2 C (28.0 F)	n/a	n/a
Oct	31.1 C (88.0 F)	-13.9 C (7.0 F)	n/a	n/a
Nov	22.8 C (73.0 F)	-23.9 C (-11.0 F)	n/a	n/a
Dec	19.4 C (66.9 F)	-27.8 C (-18.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Wallace Rs still stand. 1949 holds the most, with 112.

Standing records at Wallace Rs by the year they were set
Year set	Standing records
1917	26
1918	29
1939	75
1940	33
1941	59
1942	63
1943	80
1944	63
1945	29
1947	68
1948	66
1949	112
1950	105
1951	103
1952	63
1953	80
1954	93
1955	84
1956	62
1957	81
1958	72
1959	18

Wettest Day of Each Month

Jun: 80.8 mm (3.2 in)

The wettest day on record for each calendar month at Wallace Rs. The most was 80.8 mm (3.2 in) on 13 June 1955.

Record daily precipitation for each month at Wallace Rs
Month	Record daily precipitation (mm)	Date
Jan	55.4 mm (2.2 in)	18 January 1952
Feb	50.8 mm (2.0 in)	15 February 1932
Mar	36.1 mm (1.4 in)	14 March 1944
Apr	25.9 mm (1.0 in)	12 April 1941
May	26.9 mm (1.1 in)	2 May 1941
Jun	80.8 mm (3.2 in)	13 June 1955
Jul	46.0 mm (1.8 in)	26 July 1938
Aug	50.3 mm (2.0 in)	28 August 1951
Sep	63.8 mm (2.5 in)	14 September 1927
Oct	29.2 mm (1.1 in)	3 October 1941
Nov	38.1 mm (1.5 in)	23 November 1947
Dec	39.1 mm (1.5 in)	30 December 1951

Period of Record Coverage

1917 to 1959

22 years of record at Wallace Rs, 1917 to 1959. 12 years have data for under 90 percent of days and are left out of rankings: 1917, 1918, 1939, 1940, 1941, 1942, 1944, 1945 and others.

Days with data per year at Wallace Rs
Year	Days with data	Share of year	Complete
1917	118	32%	No
1918	110	30%	No
1939	270	74%	No
1940	155	42%	No
1941	302	83%	No
1942	327	90%	No
1943	354	97%	Yes
1944	278	76%	No
1945	174	48%	No
1947	290	79%	No
1948	330	90%	Yes
1949	319	87%	No
1950	343	94%	Yes
1951	347	95%	Yes
1952	356	97%	Yes
1953	354	97%	Yes
1954	358	98%	Yes
1955	346	95%	Yes
1956	288	79%	No
1957	344	94%	Yes
1958	353	97%	Yes
1959	112	31%	No

Latest Records

Latest records at Wallace Rs
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
26 April 1959	Wallace Rs, US	daily rain	7.1 mm (0.28 in)	2.8 mm (0.11 in)	8 years	10 of 100 (Routine)
8 April 1959	Wallace Rs, US	daily rain	8.6 mm (0.34 in)	1.5 mm (0.06 in)	9 years	8 of 100 (Routine)
7 April 1959	Wallace Rs, US	daily rain	4.8 mm (0.19 in)	4.3 mm (0.17 in)	0 years	11 of 100 (Routine)
13 February 1959	Wallace Rs, US	daily snow depth (Tie)	22.9 cm (9.0 in)	tie	3 years	1 of 100 (Routine)
12 February 1959	Wallace Rs, US	daily snow depth	20.3 cm (8.0 in)	7.6 cm (3.0 in)	32 years	18 of 100 (Routine)
9 February 1959	Wallace Rs, US	monthly snowfall	35.6 cm (14.0 in)	5.1 cm (2.0 in)	30 years	29 of 100 (Routine)
9 February 1959	Wallace Rs, US	daily rain	24.4 mm (1.0 in)	11.7 mm (0.5 in)	16 years	19 of 100 (Routine)
6 January 1959	Wallace Rs, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	32 years	20 of 100 (Routine)
6 January 1959	Wallace Rs, US	daily rain	3.3 mm (0.13 in)	3.3 mm (0.13 in)	32 years	16 of 100 (Routine)
3 January 1959	Wallace Rs, US	daily snowfall (Tie)	5.1 cm (2.0 in)	tie	27 years	3 of 100 (Routine)
28 December 1958	Wallace Rs, US	daily snowfall	10.2 cm (4.0 in)	7.7 cm (3.0 in)	16 years	22 of 100 (Routine)
6 November 1957	Wallace Rs, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	32 years	24 of 100 (Routine)
22 January 1957	Wallace Rs, US	daily snowfall	2.5 cm (1.0 in)	2.5 cm (1.0 in)	31 years	15 of 100 (Routine)
21 January 1957	Wallace Rs, US	daily snowfall	16.5 cm (6.5 in)	6.3 cm (2.5 in)	28 years	18 of 100 (Routine)

Extremes by Year

1916 to 1959

Yearly extremes at Wallace Rs: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.6 C (96.1 F)	1953	33.9 C (93.0 F)	22
Coldest night (TNn)	-30.0 C (-22.0 F)	1949	-20.0 C (-4.0 F)	22
Wettest day (Rx1day)	80.8 mm (3.2 in)	1955	34.3 mm (1.4 in)	41
Wettest five days (Rx5day)	114.6 mm (4.5 in)	1927	52.1 mm (2.1 in)	41
Longest dry spell (CDD)	161 days	1928	40 days	41

Hottest day (TXx)

The hottest day of the year at Wallace Rs, 1916 to 1959. The record is 35.6 C (96.1 F) in 1953, marked on the chart; the median year is 33.9 C (93.0 F).

Hottest day (TXx) at Wallace Rs by year
Year	Hottest day (TXx)
1916	n/a
1917	30.6 C (87.1 F)
1918	35.0 C (95.0 F)
1919	n/a
1920	n/a
1923	n/a
1924	n/a
1925	n/a
1926	n/a
1927	n/a
1928	n/a
1929	n/a
1930	n/a
1931	n/a
1932	n/a
1933	n/a
1934	n/a
1935	n/a
1936	n/a
1937	n/a
1938	n/a
1939	34.4 C (93.9 F)
1940	34.4 C (93.9 F)
1941	31.7 C (89.1 F)
1942	33.9 C (93.0 F)
1943	34.4 C (93.9 F)
1944	33.9 C (93.0 F)
1945	33.3 C (91.9 F)
1947	34.4 C (93.9 F)
1948	33.9 C (93.0 F)
1949	33.3 C (91.9 F)
1950	33.3 C (91.9 F)
1951	33.9 C (93.0 F)
1952	31.7 C (89.1 F)
1953	35.6 C (96.1 F)
1954	35.0 C (95.0 F)
1955	32.2 C (90.0 F)
1956	34.4 C (93.9 F)
1957	33.9 C (93.0 F)
1958	35.6 C (96.1 F)
1959	25.0 C (77.0 F)

Coldest night (TNn)

The coldest night of the year at Wallace Rs, 1916 to 1959. The record is -30.0 C (-22.0 F) in 1949, marked on the chart; the median year is -20.0 C (-4.0 F).

Coldest night (TNn) at Wallace Rs by year
Year	Coldest night (TNn)
1916	n/a
1917	-5.6 C (21.9 F)
1918	-1.1 C (30.0 F)
1919	n/a
1920	n/a
1923	n/a
1924	n/a
1925	n/a
1926	n/a
1927	n/a
1928	n/a
1929	n/a
1930	n/a
1931	n/a
1932	n/a
1933	n/a
1934	n/a
1935	n/a
1936	n/a
1937	n/a
1938	n/a
1939	-20.0 C (-4.0 F)
1940	-13.3 C (8.1 F)
1941	-16.1 C (3.0 F)
1942	-23.9 C (-11.0 F)
1943	-24.4 C (-11.9 F)
1944	-21.7 C (-7.1 F)
1945	-21.1 C (-6.0 F)
1947	-20.6 C (-5.1 F)
1948	-25.0 C (-13.0 F)
1949	-30.0 C (-22.0 F)
1950	-20.0 C (-4.0 F)
1951	-22.2 C (-8.0 F)
1952	-23.9 C (-11.0 F)
1953	-18.3 C (-0.9 F)
1954	-17.8 C (0.0 F)
1955	-20.0 C (-4.0 F)
1956	-21.1 C (-6.0 F)
1957	-17.8 C (0.0 F)
1958	-19.4 C (-2.9 F)
1959	-15.6 C (3.9 F)

Wettest day (Rx1day)

The wettest day of the year at Wallace Rs, 1916 to 1959. The record is 80.8 mm (3.2 in) in 1955, marked on the chart; the median year is 34.3 mm (1.4 in).

Wettest day (Rx1day) at Wallace Rs by year
Year	Wettest day (Rx1day)
1916	55.9 mm (2.2 in)
1917	23.6 mm (0.9 in)
1918	16.5 mm (0.6 in)
1919	34.3 mm (1.4 in)
1920	23.6 mm (0.9 in)
1923	41.9 mm (1.6 in)
1924	21.3 mm (0.8 in)
1925	37.1 mm (1.5 in)
1926	25.4 mm (1.0 in)
1927	63.8 mm (2.5 in)
1928	30.5 mm (1.2 in)
1929	53.3 mm (2.1 in)
1930	25.4 mm (1.0 in)
1931	43.7 mm (1.7 in)
1932	50.8 mm (2.0 in)
1933	25.4 mm (1.0 in)
1934	5.1 mm (0.20 in)
1935	2.0 mm (0.08 in)
1936	39.9 mm (1.6 in)
1937	42.4 mm (1.7 in)
1938	46.0 mm (1.8 in)
1939	28.4 mm (1.1 in)
1940	47.2 mm (1.9 in)
1941	47.8 mm (1.9 in)
1942	35.6 mm (1.4 in)
1943	26.2 mm (1.0 in)
1944	36.1 mm (1.4 in)
1945	33.3 mm (1.3 in)
1947	38.1 mm (1.5 in)
1948	27.7 mm (1.1 in)
1949	19.3 mm (0.8 in)
1950	32.3 mm (1.3 in)
1951	50.3 mm (2.0 in)
1952	55.4 mm (2.2 in)
1953	26.7 mm (1.1 in)
1954	27.9 mm (1.1 in)
1955	80.8 mm (3.2 in)
1956	25.7 mm (1.0 in)
1957	37.3 mm (1.5 in)
1958	39.1 mm (1.5 in)
1959	24.4 mm (1.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Wallace Rs, 1916 to 1959. The record is 114.6 mm (4.5 in) in 1927, marked on the chart; the median year is 52.1 mm (2.1 in).

Wettest five days (Rx5day) at Wallace Rs by year
Year	Wettest five days (Rx5day)
1916	105.9 mm (4.2 in)
1917	50.3 mm (2.0 in)
1918	38.6 mm (1.5 in)
1919	47.5 mm (1.9 in)
1920	45.9 mm (1.8 in)
1923	64.8 mm (2.6 in)
1924	25.4 mm (1.0 in)
1925	89.2 mm (3.5 in)
1926	35.6 mm (1.4 in)
1927	114.6 mm (4.5 in)
1928	61.0 mm (2.4 in)
1929	53.3 mm (2.1 in)
1930	52.1 mm (2.1 in)
1931	50.3 mm (2.0 in)
1932	50.8 mm (2.0 in)
1933	43.4 mm (1.7 in)
1934	5.1 mm (0.20 in)
1935	2.0 mm (0.08 in)
1936	62.4 mm (2.5 in)
1937	81.3 mm (3.2 in)
1938	57.7 mm (2.3 in)
1939	33.0 mm (1.3 in)
1940	60.9 mm (2.4 in)
1941	80.2 mm (3.2 in)
1942	39.1 mm (1.5 in)
1943	44.6 mm (1.8 in)
1944	50.5 mm (2.0 in)
1945	33.3 mm (1.3 in)
1947	67.1 mm (2.6 in)
1948	70.1 mm (2.8 in)
1949	31.3 mm (1.2 in)
1950	51.8 mm (2.0 in)
1951	85.5 mm (3.4 in)
1952	78.7 mm (3.1 in)
1953	38.4 mm (1.5 in)
1954	68.3 mm (2.7 in)
1955	91.2 mm (3.6 in)
1956	66.1 mm (2.6 in)
1957	86.6 mm (3.4 in)
1958	60.5 mm (2.4 in)
1959	28.7 mm (1.1 in)

Longest dry spell (CDD)

The longest dry spell of the year at Wallace Rs, 1916 to 1959. The record is 161 days in 1928, marked on the chart; the median year is 40 days.

Longest dry spell (CDD) at Wallace Rs by year
Year	Longest dry spell (CDD)
1916	48 days
1917	31 days
1918	21 days
1919	23 days
1920	25 days
1923	34 days
1924	30 days
1925	31 days
1926	58 days
1927	41 days
1928	161 days
1929	63 days
1930	53 days
1931	54 days
1932	46 days
1933	50 days
1934	16 days
1935	9 days
1936	35 days
1937	54 days
1938	52 days
1939	48 days
1940	21 days
1941	21 days
1942	62 days
1943	86 days
1944	45 days
1945	37 days
1947	44 days
1948	38 days
1949	28 days
1950	52 days
1951	62 days
1952	31 days
1953	34 days
1954	57 days
1955	39 days
1956	40 days
1957	45 days
1958	40 days
1959	30 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.

Download the Data

Data for Wallace Rs standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Wallace Rs 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).