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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Alamo Rs Weather Records (USC00020098)

Record envelope, standing records and threshold days for Alamo Rs (USC00020098), Arizona, United States, with 32 years of record.

Key Facts for Alamo Rs

  • Alamo Rs (USC00020098) is a weather station in Arizona, United States at 33.50 latitude and -110.85 longitude, 927 m (3,041 ft) above sea level.
  • The station reports from 1915 to 1946, 32 years of record.
  • 0 records set at Alamo Rs 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, 33.50 latitude, -110.85 longitude.
  • Elevation: 927 m (3,041 ft).
  • Period of record: 1915 to 1946, 32 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Alamo Rs, with 2026 drawn through them The band shows the record high and record low for each calendar day at Alamo Rs. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 000111 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Alamo 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 Alamo Rs, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
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Which Years Hold Standing Records

0 standing records
Standing records at Alamo Rs by the year they were set 0 records at Alamo Rs still stand. 00000000000
0 records at Alamo Rs still stand.
Standing records at Alamo Rs by the year they were set
Year setStanding records

Wettest Day of Each Month

Sep: 75.7 mm (3.0 in)
Record daily precipitation for each month at Alamo Rs The wettest day on record for each calendar month at Alamo Rs. The most was 75.7 mm (3.0 in) on 8 September 1919. 020406080 Jan: 36.1 mm (1.4 in), 24 January 1943 Jan Feb: 41.1 mm (1.6 in), 1 February 1919 Feb Mar: 40.6 mm (1.6 in), 14 March 1941 Mar Apr: 47.8 mm (1.9 in), 6 April 1926 Apr May: 38.9 mm (1.5 in), 20 May 1917 May Jun: 20.1 mm (0.8 in), 29 June 1919 Jun Jul: 54.4 mm (2.1 in), 27 July 1921 Jul Aug: 54.9 mm (2.2 in), 23 August 1940 Aug Sep: 75.7 mm (3.0 in), 8 September 1919 Sep Oct: 27.2 mm (1.1 in), 5 October 1933 Oct Nov: 39.9 mm (1.6 in), 19 November 1940 Nov Dec: 35.6 mm (1.4 in), 31 December 1940 Dec
The wettest day on record for each calendar month at Alamo Rs. The most was 75.7 mm (3.0 in) on 8 September 1919.
Record daily precipitation for each month at Alamo Rs
MonthRecord daily precipitation (mm)Date
Jan36.1 mm (1.4 in)24 January 1943
Feb41.1 mm (1.6 in)1 February 1919
Mar40.6 mm (1.6 in)14 March 1941
Apr47.8 mm (1.9 in)6 April 1926
May38.9 mm (1.5 in)20 May 1917
Jun20.1 mm (0.8 in)29 June 1919
Jul54.4 mm (2.1 in)27 July 1921
Aug54.9 mm (2.2 in)23 August 1940
Sep75.7 mm (3.0 in)8 September 1919
Oct27.2 mm (1.1 in)5 October 1933
Nov39.9 mm (1.6 in)19 November 1940
Dec35.6 mm (1.4 in)31 December 1940

Latest Records

0

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

Extremes by Year

1915 to 1946
Yearly extremes at Alamo Rs: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)75.7 mm (3.0 in)191932.8 mm (1.3 in)32
Wettest five days (Rx5day)114.8 mm (4.5 in)194157.2 mm (2.3 in)32
Longest dry spell (CDD)116 days194346 days32

Wettest day (Rx1day)

Wettest day (Rx1day) at Alamo Rs by year The wettest day of the year at Alamo Rs, 1915 to 1946. The record is 75.7 mm (3.0 in) in 1919, marked on the chart; the median year is 32.8 mm (1.3 in). 020406080192019301940Record: 75.7 mm (3.0 in) in 1919
The wettest day of the year at Alamo Rs, 1915 to 1946. The record is 75.7 mm (3.0 in) in 1919, marked on the chart; the median year is 32.8 mm (1.3 in).
Wettest day (Rx1day) at Alamo Rs by year
YearWettest day (Rx1day)
191525.7 mm (1.0 in)
191650.8 mm (2.0 in)
191738.9 mm (1.5 in)
191823.9 mm (0.9 in)
191975.7 mm (3.0 in)
192032.8 mm (1.3 in)
192154.4 mm (2.1 in)
192232.0 mm (1.3 in)
192330.5 mm (1.2 in)
192417.8 mm (0.7 in)
192532.8 mm (1.3 in)
192652.8 mm (2.1 in)
192740.4 mm (1.6 in)
192850.8 mm (2.0 in)
192953.8 mm (2.1 in)
193033.0 mm (1.3 in)
193133.5 mm (1.3 in)
193229.7 mm (1.2 in)
193327.2 mm (1.1 in)
193427.9 mm (1.1 in)
193531.8 mm (1.3 in)
193629.7 mm (1.2 in)
193726.9 mm (1.1 in)
193839.4 mm (1.6 in)
193923.1 mm (0.9 in)
194054.9 mm (2.2 in)
194142.2 mm (1.7 in)
194239.6 mm (1.6 in)
194339.1 mm (1.5 in)
194425.4 mm (1.0 in)
194523.9 mm (0.9 in)
194616.3 mm (0.6 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Alamo Rs by year The wettest five days of the year at Alamo Rs, 1915 to 1946. The record is 114.8 mm (4.5 in) in 1941, marked on the chart; the median year is 57.2 mm (2.3 in). 0255075100125192019301940Record: 114.8 mm (4.5 in) in 1941
The wettest five days of the year at Alamo Rs, 1915 to 1946. The record is 114.8 mm (4.5 in) in 1941, marked on the chart; the median year is 57.2 mm (2.3 in).
Wettest five days (Rx5day) at Alamo Rs by year
YearWettest five days (Rx5day)
191543.5 mm (1.7 in)
1916101.7 mm (4.0 in)
191766.5 mm (2.6 in)
191848.7 mm (1.9 in)
191978.7 mm (3.1 in)
192044.5 mm (1.8 in)
1921106.9 mm (4.2 in)
192237.8 mm (1.5 in)
192353.6 mm (2.1 in)
192429.7 mm (1.2 in)
192561.2 mm (2.4 in)
192679.7 mm (3.1 in)
192771.4 mm (2.8 in)
192851.3 mm (2.0 in)
192962.7 mm (2.5 in)
193050.6 mm (2.0 in)
193192.5 mm (3.6 in)
193259.5 mm (2.3 in)
193345.7 mm (1.8 in)
193463.5 mm (2.5 in)
193554.9 mm (2.2 in)
193662.7 mm (2.5 in)
193754.3 mm (2.1 in)
193857.2 mm (2.3 in)
193937.3 mm (1.5 in)
194058.4 mm (2.3 in)
1941114.8 mm (4.5 in)
194242.4 mm (1.7 in)
194361.5 mm (2.4 in)
194457.1 mm (2.2 in)
194545.5 mm (1.8 in)
194622.9 mm (0.9 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Alamo Rs by year The longest dry spell of the year at Alamo Rs, 1915 to 1946. The record is 116 days in 1943, marked on the chart; the median year is 46 days. 0255075100125192019301940Record: 116 days in 1943
The longest dry spell of the year at Alamo Rs, 1915 to 1946. The record is 116 days in 1943, marked on the chart; the median year is 46 days.
Longest dry spell (CDD) at Alamo Rs by year
YearLongest dry spell (CDD)
191523 days
191672 days
1917109 days
191861 days
191928 days
192043 days
192135 days
192233 days
192331 days
192475 days
192526 days
192650 days
192734 days
192829 days
192984 days
193045 days
193155 days
193251 days
193346 days
193438 days
193538 days
193627 days
193757 days
193895 days
193963 days
194046 days
194129 days
194262 days
1943116 days
194452 days
194564 days
194619 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 Alamo Rs standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Alamo 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

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