Sentinel Weather Records (USC00027751)

Record envelope, standing records and threshold days for Sentinel (USC00027751), Arizona, United States, with 62 years of record.

Key Facts for Sentinel

Sentinel (USC00027751) is a weather station in Arizona, United States at 32.87 latitude and -113.22 longitude, 210 m (689 ft) above sea level.
The station reports from 1899 to 1960, 62 years of record.
1,464 records set at Sentinel still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Arizona, United States, 32.87 latitude, -113.22 longitude.
Elevation: 210 m (689 ft).
Period of record: 1899 to 1960, 62 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 Sentinel. 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 Sentinel, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	31.1 C (88.0 F)	-7.8 C (18.0 F)	n/a	n/a
Feb	31.7 C (89.1 F)	-2.8 C (27.0 F)	n/a	n/a
Mar	37.8 C (100.0 F)	-3.3 C (26.1 F)	n/a	n/a
Apr	40.6 C (105.1 F)	1.7 C (35.1 F)	n/a	n/a
May	42.2 C (108.0 F)	4.4 C (39.9 F)	n/a	n/a
Jun	51.1 C (124.0 F)	7.2 C (45.0 F)	n/a	n/a
Jul	48.9 C (120.0 F)	15.6 C (60.1 F)	n/a	n/a
Aug	48.9 C (120.0 F)	14.4 C (57.9 F)	n/a	n/a
Sep	45.6 C (114.1 F)	10.0 C (50.0 F)	n/a	n/a
Oct	46.7 C (116.1 F)	3.3 C (37.9 F)	n/a	n/a
Nov	36.1 C (97.0 F)	-6.1 C (21.0 F)	n/a	n/a
Dec	30.6 C (87.1 F)	-7.8 C (18.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Sentinel still stand. 1917 holds the most, with 176.

Wettest Day of Each Month

Jul: 64.3 mm (2.5 in)

The wettest day on record for each calendar month at Sentinel. The most was 64.3 mm (2.5 in) on 21 July 1911.

Record daily precipitation for each month at Sentinel
Month	Record daily precipitation (mm)	Date
Jan	33.0 mm (1.3 in)	20 January 1954
Feb	23.4 mm (0.9 in)	10 February 1901
Mar	25.4 mm (1.0 in)	9 March 1912
Apr	21.6 mm (0.9 in)	6 April 1900
May	10.2 mm (0.4 in)	22 May 1919
Jun	40.6 mm (1.6 in)	18 June 1918
Jul	64.3 mm (2.5 in)	21 July 1911
Aug	53.8 mm (2.1 in)	27 August 1951
Sep	29.0 mm (1.1 in)	13 September 1955
Oct	38.4 mm (1.5 in)	3 October 1914
Nov	22.4 mm (0.9 in)	23 November 1906
Dec	43.2 mm (1.7 in)	30 December 1915

Period of Record Coverage

1906 to 1919

14 years of record at Sentinel, 1906 to 1919. 5 years have data for under 90 percent of days and are left out of rankings: 1906, 1910, 1911, 1912, 1919.

Days with data per year at Sentinel
Year	Days with data	Share of year	Complete
1906	20	5%	No
1907	336	92%	Yes
1908	365	100%	Yes
1909	337	92%	Yes
1910	271	74%	No
1911	149	41%	No
1912	329	90%	No
1913	334	92%	Yes
1914	362	99%	Yes
1915	365	100%	Yes
1916	355	97%	Yes
1917	360	99%	Yes
1918	358	98%	Yes
1919	151	41%	No

Latest Records

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

Extremes by Year

1899 to 1960

Yearly extremes at Sentinel: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	51.1 C (124.0 F)	1917	46.7 C (116.1 F)	14
Coldest night (TNn)	-7.8 C (18.0 F)	1913	-4.7 C (23.5 F)	14
Wettest day (Rx1day)	64.3 mm (2.5 in)	1911	23.4 mm (0.9 in)	31
Wettest five days (Rx5day)	114.8 mm (4.5 in)	1951	30.0 mm (1.2 in)	31
Longest dry spell (CDD)	324 days	1901	99 days	31

Hottest day (TXx)

The hottest day of the year at Sentinel, 1899 to 1960. The record is 51.1 C (124.0 F) in 1917, marked on the chart; the median year is 46.7 C (116.1 F).

Hottest day (TXx) at Sentinel by year
Year	Hottest day (TXx)
1899	n/a
1900	n/a
1901	n/a
1902	n/a
1903	n/a
1904	n/a
1905	n/a
1906	26.7 C (80.1 F)
1907	48.9 C (120.0 F)
1908	46.7 C (116.1 F)
1909	46.1 C (115.0 F)
1910	46.7 C (116.1 F)
1911	45.6 C (114.1 F)
1912	46.1 C (115.0 F)
1913	46.1 C (115.0 F)
1914	48.3 C (118.9 F)
1915	48.9 C (120.0 F)
1916	47.8 C (118.0 F)
1917	51.1 C (124.0 F)
1918	48.9 C (120.0 F)
1919	41.1 C (106.0 F)
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1959	n/a
1960	n/a

Coldest night (TNn)

The coldest night of the year at Sentinel, 1899 to 1960. The record is -7.8 C (18.0 F) in 1913, marked on the chart; the median year is -4.7 C (23.5 F).

Coldest night (TNn) at Sentinel by year
Year	Coldest night (TNn)
1899	n/a
1900	n/a
1901	n/a
1902	n/a
1903	n/a
1904	n/a
1905	n/a
1906	0.0 C (32.0 F)
1907	-1.7 C (28.9 F)
1908	-1.1 C (30.0 F)
1909	-5.6 C (21.9 F)
1910	-2.2 C (28.0 F)
1911	-6.1 C (21.0 F)
1912	-5.6 C (21.9 F)
1913	-7.8 C (18.0 F)
1914	-3.3 C (26.1 F)
1915	-3.9 C (25.0 F)
1916	-7.8 C (18.0 F)
1917	-3.9 C (25.0 F)
1918	-5.6 C (21.9 F)
1919	-7.2 C (19.0 F)
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1959	n/a
1960	n/a

Wettest day (Rx1day)

The wettest day of the year at Sentinel, 1899 to 1960. The record is 64.3 mm (2.5 in) in 1911, marked on the chart; the median year is 23.4 mm (0.9 in).

Wettest day (Rx1day) at Sentinel by year
Year	Wettest day (Rx1day)
1899	21.6 mm (0.9 in)
1900	26.2 mm (1.0 in)
1901	23.4 mm (0.9 in)
1902	19.1 mm (0.8 in)
1903	12.7 mm (0.5 in)
1904	6.4 mm (0.25 in)
1905	9.1 mm (0.36 in)
1906	22.4 mm (0.9 in)
1907	28.7 mm (1.1 in)
1908	25.4 mm (1.0 in)
1909	27.7 mm (1.1 in)
1910	12.7 mm (0.5 in)
1911	64.3 mm (2.5 in)
1912	40.1 mm (1.6 in)
1913	25.7 mm (1.0 in)
1914	38.4 mm (1.5 in)
1915	43.2 mm (1.7 in)
1916	14.7 mm (0.6 in)
1917	34.5 mm (1.4 in)
1918	40.6 mm (1.6 in)
1919	13.2 mm (0.5 in)
1950	7.6 mm (0.30 in)
1951	53.8 mm (2.1 in)
1952	15.2 mm (0.6 in)
1953	18.3 mm (0.7 in)
1954	33.0 mm (1.3 in)
1955	29.0 mm (1.1 in)
1956	20.6 mm (0.8 in)
1957	12.7 mm (0.5 in)
1959	41.9 mm (1.6 in)
1960	14.0 mm (0.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Sentinel, 1899 to 1960. The record is 114.8 mm (4.5 in) in 1951, marked on the chart; the median year is 30.0 mm (1.2 in).

Wettest five days (Rx5day) at Sentinel by year
Year	Wettest five days (Rx5day)
1899	26.7 mm (1.1 in)
1900	26.2 mm (1.0 in)
1901	33.8 mm (1.3 in)
1902	19.1 mm (0.8 in)
1903	25.4 mm (1.0 in)
1904	6.4 mm (0.25 in)
1905	9.1 mm (0.36 in)
1906	25.4 mm (1.0 in)
1907	36.6 mm (1.4 in)
1908	32.3 mm (1.3 in)
1909	30.7 mm (1.2 in)
1910	15.7 mm (0.6 in)
1911	76.8 mm (3.0 in)
1912	40.1 mm (1.6 in)
1913	28.2 mm (1.1 in)
1914	46.8 mm (1.8 in)
1915	43.2 mm (1.7 in)
1916	43.2 mm (1.7 in)
1917	36.3 mm (1.4 in)
1918	74.8 mm (2.9 in)
1919	23.8 mm (0.9 in)
1950	7.6 mm (0.30 in)
1951	114.8 mm (4.5 in)
1952	32.2 mm (1.3 in)
1953	28.0 mm (1.1 in)
1954	33.0 mm (1.3 in)
1955	30.0 mm (1.2 in)
1956	20.6 mm (0.8 in)
1957	15.3 mm (0.6 in)
1959	63.7 mm (2.5 in)
1960	14.8 mm (0.6 in)

Longest dry spell (CDD)

The longest dry spell of the year at Sentinel, 1899 to 1960. The record is 324 days in 1901, marked on the chart; the median year is 99 days.

Longest dry spell (CDD) at Sentinel by year
Year	Longest dry spell (CDD)
1899	118 days
1900	120 days
1901	324 days
1902	137 days
1903	95 days
1904	130 days
1905	144 days
1906	99 days
1907	136 days
1908	77 days
1909	130 days
1910	72 days
1911	61 days
1912	68 days
1913	129 days
1914	83 days
1915	70 days
1916	110 days
1917	76 days
1918	88 days
1919	58 days
1950	102 days
1951	81 days
1952	69 days
1953	126 days
1954	110 days
1955	180 days
1956	148 days
1957	23 days
1959	68 days
1960	71 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 Sentinel standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Sentinel 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).