Laredo Wb AP Weather Records (USW00012920)

Record envelope, standing records and threshold days for Laredo Wb AP (USW00012920), Texas, United States, with 51 years of record.

Key Facts for Laredo Wb AP

Laredo Wb AP (USW00012920) is a weather station in Texas, United States at 27.53 latitude and -99.47 longitude, 152 m (500 ft) above sea level.
The station reports from 1915 to 1965, 51 years of record.
1,464 records set at Laredo Wb AP still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Texas, United States, 27.53 latitude, -99.47 longitude.
Elevation: 152 m (500 ft).
Period of record: 1915 to 1965, 51 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 Laredo Wb AP. 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 Laredo Wb AP, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	33.9 C (93.0 F)	-7.8 C (18.0 F)	n/a	n/a
Feb	36.7 C (98.1 F)	-7.8 C (18.0 F)	n/a	n/a
Mar	40.6 C (105.1 F)	-2.2 C (28.0 F)	n/a	n/a
Apr	42.8 C (109.0 F)	6.7 C (44.1 F)	n/a	n/a
May	43.3 C (109.9 F)	11.7 C (53.1 F)	n/a	n/a
Jun	42.8 C (109.0 F)	15.0 C (59.0 F)	n/a	n/a
Jul	43.3 C (109.9 F)	21.1 C (70.0 F)	n/a	n/a
Aug	42.2 C (108.0 F)	20.6 C (69.1 F)	n/a	n/a
Sep	41.1 C (106.0 F)	12.8 C (55.0 F)	n/a	n/a
Oct	39.4 C (102.9 F)	5.6 C (42.1 F)	n/a	n/a
Nov	36.1 C (97.0 F)	-0.6 C (30.9 F)	n/a	n/a
Dec	35.0 C (95.0 F)	-3.3 C (26.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Laredo Wb AP still stand. 1947 holds the most, with 112.

Standing records at Laredo Wb AP by the year they were set
Year set	Standing records
1944	11
1946	71
1947	112
1948	94
1949	75
1950	77
1951	86
1952	65
1953	96
1954	58
1955	57
1956	65
1957	102
1958	46
1959	69
1960	71
1961	57
1962	61
1963	69
1964	62
1965	60

Wettest Day of Each Month

Apr: 141.0 mm (5.6 in)

The wettest day on record for each calendar month at Laredo Wb AP. The most was 141.0 mm (5.6 in) on 12 April 1947.

Record daily precipitation for each month at Laredo Wb AP
Month	Record daily precipitation (mm)	Date
Jan	52.6 mm (2.1 in)	4 January 1958
Feb	52.1 mm (2.1 in)	20 February 1958
Mar	24.1 mm (0.9 in)	13 March 1965
Apr	141.0 mm (5.6 in)	12 April 1947
May	102.9 mm (4.1 in)	27 May 1957
Jun	109.7 mm (4.3 in)	17 June 1963
Jul	42.2 mm (1.7 in)	8 July 1916
Aug	125.2 mm (4.9 in)	23 August 1953
Sep	103.4 mm (4.1 in)	14 September 1951
Oct	68.6 mm (2.7 in)	8 October 1946
Nov	49.0 mm (1.9 in)	17 November 1950
Dec	35.6 mm (1.4 in)	6 December 1960

Period of Record Coverage

1944 to 1965

21 years of record at Laredo Wb AP, 1944 to 1965. 2 years have data for under 90 percent of days and are left out of rankings: 1944, 1965.

Days with data per year at Laredo Wb AP
Year	Days with data	Share of year	Complete
1944	60	16%	No
1946	334	92%	Yes
1947	362	99%	Yes
1948	366	100%	Yes
1949	364	100%	Yes
1950	365	100%	Yes
1951	365	100%	Yes
1952	366	100%	Yes
1953	364	100%	Yes
1954	365	100%	Yes
1955	365	100%	Yes
1956	366	100%	Yes
1957	365	100%	Yes
1958	365	100%	Yes
1959	365	100%	Yes
1960	365	100%	Yes
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	366	100%	Yes
1965	304	83%	No

Latest Records

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

Climate Trend

18 complete years, 1947 to 1964

One stripe for each of 18 complete years at Laredo Wb AP, 1947 to 1964. Blue stripes are years cooler than the station's own mean of 23.4 C (74.2 F); red stripes are warmer. The coolest year was 1958, at 22.2 C (72.0 F), and the warmest was 1950, at 24.4 C (76.0 F). The strongest colour marks a difference of 1.2 C (2.2 F).

Annual mean temperature at Laredo Wb AP as warming stripes, 1947 to 1964
Year	Annual mean temperature	Difference from the station mean
1947	22.5 C	-0.95 C
1948	23.2 C	-0.22 C
1949	23.4 C	-0.03 C
1950	24.4 C	+1.01 C
1951	23.8 C	+0.35 C
1952	23.4 C	-0.02 C
1953	24.0 C	+0.58 C
1954	24.1 C	+0.72 C
1955	23.7 C	+0.32 C
1956	23.9 C	+0.48 C
1957	23.7 C	+0.32 C
1958	22.2 C	-1.19 C
1959	22.9 C	-0.52 C
1960	22.8 C	-0.59 C
1961	23.0 C	-0.38 C
1962	23.8 C	+0.41 C
1963	23.4 C	-0.06 C
1964	23.2 C	-0.23 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

1915 to 1965

Yearly extremes at Laredo Wb AP: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	43.3 C (109.9 F)	1948	41.1 C (106.0 F)	21
Coldest night (TNn)	-7.8 C (18.0 F)	1951	-1.7 C (28.9 F)	21
Wettest day (Rx1day)	141.0 mm (5.6 in)	1947	60.0 mm (2.4 in)	24
Wettest five days (Rx5day)	214.4 mm (8.4 in)	1951	79.4 mm (3.1 in)	24
Longest dry spell (CDD)	86 days	1916	44 days	24

Hottest day (TXx)

The hottest day of the year at Laredo Wb AP, 1915 to 1965. The record is 43.3 C (109.9 F) in 1948, marked on the chart; the median year is 41.1 C (106.0 F).

Hottest day (TXx) at Laredo Wb AP by year
Year	Hottest day (TXx)
1915	n/a
1916	n/a
1917	n/a
1944	33.3 C (91.9 F)
1946	41.7 C (107.1 F)
1947	40.0 C (104.0 F)
1948	43.3 C (109.9 F)
1949	42.8 C (109.0 F)
1950	40.6 C (105.1 F)
1951	41.1 C (106.0 F)
1952	40.6 C (105.1 F)
1953	41.7 C (107.1 F)
1954	42.8 C (109.0 F)
1955	40.6 C (105.1 F)
1956	41.1 C (106.0 F)
1957	42.2 C (108.0 F)
1958	42.8 C (109.0 F)
1959	41.1 C (106.0 F)
1960	43.3 C (109.9 F)
1961	40.0 C (104.0 F)
1962	42.2 C (108.0 F)
1963	41.7 C (107.1 F)
1964	41.1 C (106.0 F)
1965	41.1 C (106.0 F)

Coldest night (TNn)

The coldest night of the year at Laredo Wb AP, 1915 to 1965. The record is -7.8 C (18.0 F) in 1951, marked on the chart; the median year is -1.7 C (28.9 F).

Coldest night (TNn) at Laredo Wb AP by year
Year	Coldest night (TNn)
1915	n/a
1916	n/a
1917	n/a
1944	-2.8 C (27.0 F)
1946	-1.1 C (30.0 F)
1947	-3.3 C (26.1 F)
1948	-2.8 C (27.0 F)
1949	-5.6 C (21.9 F)
1950	-1.7 C (28.9 F)
1951	-7.8 C (18.0 F)
1952	2.2 C (36.0 F)
1953	-3.3 C (26.1 F)
1954	0.6 C (33.1 F)
1955	-0.6 C (30.9 F)
1956	-1.7 C (28.9 F)
1957	-0.6 C (30.9 F)
1958	-1.1 C (30.0 F)
1959	-1.1 C (30.0 F)
1960	-3.3 C (26.1 F)
1961	-1.1 C (30.0 F)
1962	-7.8 C (18.0 F)
1963	-6.1 C (21.0 F)
1964	-3.3 C (26.1 F)
1965	-1.1 C (30.0 F)

Wettest day (Rx1day)

The wettest day of the year at Laredo Wb AP, 1915 to 1965. The record is 141.0 mm (5.6 in) in 1947, marked on the chart; the median year is 60.0 mm (2.4 in).

Wettest day (Rx1day) at Laredo Wb AP by year
Year	Wettest day (Rx1day)
1915	44.5 mm (1.8 in)
1916	88.9 mm (3.5 in)
1917	1.5 mm (0.06 in)
1944	8.6 mm (0.34 in)
1946	74.9 mm (2.9 in)
1947	141.0 mm (5.6 in)
1948	39.6 mm (1.6 in)
1949	67.3 mm (2.6 in)
1950	49.0 mm (1.9 in)
1951	103.4 mm (4.1 in)
1952	70.1 mm (2.8 in)
1953	125.2 mm (4.9 in)
1954	33.0 mm (1.3 in)
1955	25.4 mm (1.0 in)
1956	75.2 mm (3.0 in)
1957	102.9 mm (4.1 in)
1958	52.6 mm (2.1 in)
1959	74.7 mm (2.9 in)
1960	44.7 mm (1.8 in)
1961	39.4 mm (1.6 in)
1962	42.9 mm (1.7 in)
1963	109.7 mm (4.3 in)
1964	78.2 mm (3.1 in)
1965	40.6 mm (1.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Laredo Wb AP, 1915 to 1965. The record is 214.4 mm (8.4 in) in 1951, marked on the chart; the median year is 79.4 mm (3.1 in).

Wettest five days (Rx5day) at Laredo Wb AP by year
Year	Wettest five days (Rx5day)
1915	48.1 mm (1.9 in)
1916	88.9 mm (3.5 in)
1917	2.8 mm (0.11 in)
1944	9.0 mm (0.35 in)
1946	84.5 mm (3.3 in)
1947	141.0 mm (5.6 in)
1948	61.1 mm (2.4 in)
1949	172.8 mm (6.8 in)
1950	51.3 mm (2.0 in)
1951	214.4 mm (8.4 in)
1952	82.8 mm (3.3 in)
1953	168.4 mm (6.6 in)
1954	80.6 mm (3.2 in)
1955	47.0 mm (1.9 in)
1956	75.2 mm (3.0 in)
1957	107.2 mm (4.2 in)
1958	95.4 mm (3.8 in)
1959	76.7 mm (3.0 in)
1960	84.7 mm (3.3 in)
1961	63.0 mm (2.5 in)
1962	63.7 mm (2.5 in)
1963	133.8 mm (5.3 in)
1964	78.2 mm (3.1 in)
1965	62.2 mm (2.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Laredo Wb AP, 1915 to 1965. The record is 86 days in 1916, marked on the chart; the median year is 44 days.

Longest dry spell (CDD) at Laredo Wb AP by year
Year	Longest dry spell (CDD)
1915	33 days
1916	86 days
1917	14 days
1944	15 days
1946	69 days
1947	85 days
1948	48 days
1949	39 days
1950	48 days
1951	44 days
1952	63 days
1953	44 days
1954	36 days
1955	78 days
1956	40 days
1957	74 days
1958	34 days
1959	41 days
1960	33 days
1961	43 days
1962	48 days
1963	39 days
1964	53 days
1965	46 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 Laredo Wb AP standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Laredo Wb AP 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 2026-10-16 (16 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).