Built 2026-10-15 (15 October 2026)

Union Valley Weather Records (USC00299245)

Record envelope, standing records and threshold days for Union Valley (USC00299245), New Mexico, United States, with 36 years of record.

Key Facts for Union Valley

  • Union Valley (USC00299245) is a weather station in New Mexico, United States at 33.77 latitude and -103.63 longitude, 1,373 m (4,505 ft) above sea level.
  • The station reports from 1923 to 1958, 36 years of record.
  • 4 records set at Union Valley still stand.
  • Records are tracked for prcp, snow: an element needs 30 years of data to be eligible.
  • Union Valley set a daily record precipitation of 30.5 mm (1.2 in) on 19 August 1958.

About the Station

  • Location: New Mexico, United States, 33.77 latitude, -103.63 longitude.
  • Elevation: 1,373 m (4,505 ft).
  • Period of record: 1923 to 1958, 36 years.
  • Eligible elements: prcp, snow.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Union Valley, with 2026 drawn through them The band shows the record high and record low for each calendar day at Union Valley. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -4-4-3-3-2 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Union Valley. 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 Union Valley, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jann/an/an/an/a
Febn/an/an/an/a
Marn/an/an/an/a
Aprn/an/an/an/a
Mayn/an/an/an/a
Junn/a-4.4 C (24.1 F)n/an/a
Juln/an/an/an/a
Augn/an/an/an/a
Sepn/an/an/an/a
Octn/an/an/an/a
Novn/an/an/an/a
Decn/an/an/an/a

Which Years Hold Standing Records

4 standing records
Standing records at Union Valley by the year they were set 4 records at Union Valley still stand. 1924 holds the most, with 4. 012341924: 41924
4 records at Union Valley still stand. 1924 holds the most, with 4.
Standing records at Union Valley by the year they were set
Year setStanding records
19244

Wettest Day of Each Month

Aug: 118.1 mm (4.6 in)
Record daily precipitation for each month at Union Valley The wettest day on record for each calendar month at Union Valley. The most was 118.1 mm (4.6 in) on 3 August 1939. 050100150 Jan: 21.6 mm (0.9 in), 11 January 1949 Jan Feb: 21.8 mm (0.9 in), 5 February 1948 Feb Mar: 44.2 mm (1.7 in), 27 March 1929 Mar Apr: 50.8 mm (2.0 in), 28 April 1931 Apr May: 71.1 mm (2.8 in), 23 May 1937 May Jun: 47.2 mm (1.9 in), 24 June 1938 Jun Jul: 108.0 mm (4.3 in), 13 July 1939 Jul Aug: 118.1 mm (4.6 in), 3 August 1939 Aug Sep: 76.2 mm (3.0 in), 1 September 1935 Sep Oct: 76.2 mm (3.0 in), 29 October 1928 Oct Nov: 29.2 mm (1.1 in), 25 November 1935 Nov Dec: 33.5 mm (1.3 in), 11 December 1946 Dec
The wettest day on record for each calendar month at Union Valley. The most was 118.1 mm (4.6 in) on 3 August 1939.
Record daily precipitation for each month at Union Valley
MonthRecord daily precipitation (mm)Date
Jan21.6 mm (0.9 in)11 January 1949
Feb21.8 mm (0.9 in)5 February 1948
Mar44.2 mm (1.7 in)27 March 1929
Apr50.8 mm (2.0 in)28 April 1931
May71.1 mm (2.8 in)23 May 1937
Jun47.2 mm (1.9 in)24 June 1938
Jul108.0 mm (4.3 in)13 July 1939
Aug118.1 mm (4.6 in)3 August 1939
Sep76.2 mm (3.0 in)1 September 1935
Oct76.2 mm (3.0 in)29 October 1928
Nov29.2 mm (1.1 in)25 November 1935
Dec33.5 mm (1.3 in)11 December 1946

Latest Records

20
Latest records at Union Valley
DateStationRecordValueBeat old record byOld record stoodSignificance
19 August 1958Union Valley, USdaily rain30.5 mm (1.2 in)24.1 mm (0.9 in)8 years21 of 100 (Routine)
31 July 1958Union Valley, USdaily rain17.8 mm (0.7 in)3.8 mm (0.15 in)21 years11 of 100 (Routine)
16 June 1958Union Valley, USdaily rain20.8 mm (0.8 in)11.1 mm (0.4 in)8 years16 of 100 (Routine)
12 May 1958Union Valley, USdaily rain54.9 mm (2.2 in)33.3 mm (1.3 in)28 years41 of 100 (Notable)
13 April 1958Union Valley, USdaily rain14.7 mm (0.6 in)14.7 mm (0.6 in)33 years20 of 100 (Routine)
24 March 1958Union Valley, USdaily rain8.6 mm (0.34 in)2.2 mm (0.09 in)24 years12 of 100 (Routine)
22 March 1958Union Valley, USdaily rain5.3 mm (0.21 in)0.2 mm (0.01 in)19 years8 of 100 (Routine)
18 March 1958Union Valley, USdaily rain15.7 mm (0.6 in)15.7 mm (0.6 in)33 years20 of 100 (Routine)
12 March 1958Union Valley, USdaily snowfall5.1 cm (2.0 in)5.1 cm (2.0 in)33 years23 of 100 (Routine)
12 March 1958Union Valley, USdaily rain2.8 mm (0.11 in)0.3 mm (0.01 in)33 years13 of 100 (Routine)
7 March 1958Union Valley, USdaily rain8.1 mm (0.32 in)8.1 mm (0.32 in)33 years20 of 100 (Routine)
6 March 1958Union Valley, USdaily rain17.8 mm (0.7 in)14.0 mm (0.6 in)11 years20 of 100 (Routine)
3 March 1958Union Valley, USdaily rain6.4 mm (0.25 in)6.4 mm (0.25 in)33 years20 of 100 (Routine)
11 February 1958Union Valley, USdaily snowfall2.5 cm (1.0 in)2.5 cm (1.0 in)34 years18 of 100 (Routine)
11 February 1958Union Valley, USdaily rain1.3 mm (0.05 in)1.3 mm (0.05 in)34 years15 of 100 (Routine)
19 January 1958Union Valley, USdaily snowfall5.1 cm (2.0 in)5.1 cm (2.0 in)34 years23 of 100 (Routine)
19 January 1958Union Valley, USdaily rain3.0 mm (0.12 in)3.0 mm (0.12 in)34 years18 of 100 (Routine)
4 January 1958Union Valley, USdaily rain20.3 mm (0.8 in)11.4 mm (0.4 in)26 years20 of 100 (Routine)
4 January 1958Union Valley, USdaily snowfall15.2 cm (6.0 in)2.5 cm (1.0 in)26 years15 of 100 (Routine)
21 November 1957Union Valley, USdaily snowfall7.6 cm (3.0 in)7.6 cm (3.0 in)34 years28 of 100 (Routine)

Extremes by Year

1923 to 1958
Yearly extremes at Union Valley: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Coldest night (TNn)-4.4 C (24.1 F)1924-4.4 C (24.1 F)1
Wettest day (Rx1day)118.1 mm (4.6 in)193947.9 mm (1.9 in)34
Wettest five days (Rx5day)146.5 mm (5.8 in)195072.6 mm (2.9 in)34
Longest dry spell (CDD)162 days192754 days34

Coldest night (TNn)

Coldest night (TNn) at Union Valley by year The coldest night of the year at Union Valley, 1923 to 1958. The record is -4.4 C (24.1 F) in 1924, marked on the chart; the median year is -4.4 C (24.1 F). -5.4-4.4-3.4193019401950Record: -4.4 C (24.1 F) in 1924
The coldest night of the year at Union Valley, 1923 to 1958. The record is -4.4 C (24.1 F) in 1924, marked on the chart; the median year is -4.4 C (24.1 F).
Coldest night (TNn) at Union Valley by year
YearColdest night (TNn)
1923n/a
1924-4.4 C (24.1 F)
1925n/a
1926n/a
1927n/a
1928n/a
1929n/a
1930n/a
1931n/a
1932n/a
1933n/a
1934n/a
1935n/a
1936n/a
1937n/a
1938n/a
1939n/a
1940n/a
1942n/a
1944n/a
1945n/a
1946n/a
1947n/a
1948n/a
1949n/a
1950n/a
1951n/a
1952n/a
1953n/a
1954n/a
1955n/a
1956n/a
1957n/a
1958n/a

Wettest day (Rx1day)

Wettest day (Rx1day) at Union Valley by year The wettest day of the year at Union Valley, 1923 to 1958. The record is 118.1 mm (4.6 in) in 1939, marked on the chart; the median year is 47.9 mm (1.9 in). 050100150193019401950Record: 118.1 mm (4.6 in) in 1939
The wettest day of the year at Union Valley, 1923 to 1958. The record is 118.1 mm (4.6 in) in 1939, marked on the chart; the median year is 47.9 mm (1.9 in).
Wettest day (Rx1day) at Union Valley by year
YearWettest day (Rx1day)
192338.1 mm (1.5 in)
192465.5 mm (2.6 in)
192550.8 mm (2.0 in)
192647.5 mm (1.9 in)
192724.1 mm (0.9 in)
192876.2 mm (3.0 in)
192944.2 mm (1.7 in)
193023.9 mm (0.9 in)
193150.8 mm (2.0 in)
193236.8 mm (1.4 in)
193341.9 mm (1.6 in)
193415.2 mm (0.6 in)
193576.2 mm (3.0 in)
193617.0 mm (0.7 in)
193771.1 mm (2.8 in)
193863.5 mm (2.5 in)
1939118.1 mm (4.6 in)
194045.5 mm (1.8 in)
19420.0 mm (0.00 in)
194467.3 mm (2.6 in)
194529.5 mm (1.2 in)
194642.4 mm (1.7 in)
194720.3 mm (0.8 in)
194863.5 mm (2.5 in)
194962.5 mm (2.5 in)
195067.6 mm (2.7 in)
195148.3 mm (1.9 in)
195272.4 mm (2.9 in)
195330.2 mm (1.2 in)
195462.5 mm (2.5 in)
195552.1 mm (2.1 in)
195631.8 mm (1.3 in)
195736.1 mm (1.4 in)
195854.9 mm (2.2 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Union Valley by year The wettest five days of the year at Union Valley, 1923 to 1958. The record is 146.5 mm (5.8 in) in 1950, marked on the chart; the median year is 72.6 mm (2.9 in). 050100150193019401950Record: 146.5 mm (5.8 in) in 1950
The wettest five days of the year at Union Valley, 1923 to 1958. The record is 146.5 mm (5.8 in) in 1950, marked on the chart; the median year is 72.6 mm (2.9 in).
Wettest five days (Rx5day) at Union Valley by year
YearWettest five days (Rx5day)
192355.9 mm (2.2 in)
192471.9 mm (2.8 in)
192588.9 mm (3.5 in)
192649.0 mm (1.9 in)
192737.1 mm (1.5 in)
1928103.6 mm (4.1 in)
192949.0 mm (1.9 in)
193031.0 mm (1.2 in)
1931100.3 mm (3.9 in)
193274.7 mm (2.9 in)
193376.5 mm (3.0 in)
193433.0 mm (1.3 in)
193581.3 mm (3.2 in)
193654.3 mm (2.1 in)
1937107.2 mm (4.2 in)
193893.2 mm (3.7 in)
1939120.4 mm (4.7 in)
194061.8 mm (2.4 in)
19420.0 mm (0.00 in)
194474.9 mm (2.9 in)
194555.0 mm (2.2 in)
194673.2 mm (2.9 in)
194727.7 mm (1.1 in)
194863.5 mm (2.5 in)
194999.3 mm (3.9 in)
1950146.5 mm (5.8 in)
195173.2 mm (2.9 in)
1952112.1 mm (4.4 in)
195355.1 mm (2.2 in)
1954113.9 mm (4.5 in)
195578.0 mm (3.1 in)
195636.1 mm (1.4 in)
195759.5 mm (2.3 in)
195863.8 mm (2.5 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Union Valley by year The longest dry spell of the year at Union Valley, 1923 to 1958. The record is 162 days in 1927, marked on the chart; the median year is 54 days. 050100150200193019401950Record: 162 days in 1927
The longest dry spell of the year at Union Valley, 1923 to 1958. The record is 162 days in 1927, marked on the chart; the median year is 54 days.
Longest dry spell (CDD) at Union Valley by year
YearLongest dry spell (CDD)
192323 days
192471 days
192572 days
192655 days
1927162 days
192849 days
192947 days
193067 days
193142 days
193240 days
193376 days
193474 days
193552 days
193694 days
193746 days
193866 days
193952 days
194061 days
194230 days
194423 days
194583 days
194670 days
194746 days
194853 days
194940 days
1950101 days
195147 days
195260 days
195343 days
195466 days
195564 days
195675 days
195740 days
195834 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 Union Valley standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Union Valley 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).