Pollock Forest Nursery Weather Records (USC00167421)

Record envelope, standing records and threshold days for Pollock Forest Nursery (USC00167421), Louisiana, United States, with 31 years of record.

Key Facts for Pollock Forest Nursery

Pollock Forest Nursery (USC00167421) is a weather station in Louisiana, United States at 31.50 latitude and -92.47 longitude, 70 m (230 ft) above sea level.
The station reports from 1935 to 1965, 31 years of record.
1,464 records set at Pollock Forest Nursery still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Pollock Forest Nursery tied a daily record high maximum temperature of 21.1 C (70.0 F) on 22 December 1965.

About the Station

Location: Louisiana, United States, 31.50 latitude, -92.47 longitude.
Elevation: 70 m (230 ft).
Period of record: 1935 to 1965, 31 years.
Eligible elements: tmax, tmin, prcp.

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 Pollock Forest Nursery. 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 Pollock Forest Nursery, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	28.9 C (84.0 F)	-16.7 C (1.9 F)	n/a	n/a
Feb	28.9 C (84.0 F)	-17.8 C (0.0 F)	n/a	n/a
Mar	33.9 C (93.0 F)	-7.8 C (18.0 F)	n/a	n/a
Apr	32.8 C (91.0 F)	-1.1 C (30.0 F)	n/a	n/a
May	35.0 C (95.0 F)	2.8 C (37.0 F)	n/a	n/a
Jun	39.4 C (102.9 F)	5.0 C (41.0 F)	n/a	n/a
Jul	40.6 C (105.1 F)	12.8 C (55.0 F)	n/a	n/a
Aug	42.2 C (108.0 F)	12.8 C (55.0 F)	n/a	n/a
Sep	40.6 C (105.1 F)	3.9 C (39.0 F)	n/a	n/a
Oct	36.1 C (97.0 F)	-4.4 C (24.1 F)	n/a	n/a
Nov	31.1 C (88.0 F)	-7.8 C (18.0 F)	n/a	n/a
Dec	27.8 C (82.0 F)	-10.0 C (14.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Pollock Forest Nursery still stand. 1943 holds the most, with 75.

Standing records at Pollock Forest Nursery by the year they were set
Year set	Standing records
1935	40
1936	49
1937	54
1938	48
1939	40
1940	61
1941	27
1942	53
1943	75
1944	38
1945	31
1946	37
1947	74
1948	70
1949	46
1950	52
1951	56
1952	59
1953	46
1954	50
1955	68
1956	38
1957	62
1958	40
1959	25
1960	39
1961	42
1962	35
1963	46
1964	34
1965	29

Wettest Day of Each Month

Apr: 324.4 mm (12.8 in)

The wettest day on record for each calendar month at Pollock Forest Nursery. The most was 324.4 mm (12.8 in) on 29 April 1953.

Record daily precipitation for each month at Pollock Forest Nursery
Month	Record daily precipitation (mm)	Date
Jan	159.5 mm (6.3 in)	7 January 1961
Feb	105.4 mm (4.1 in)	5 February 1955
Mar	116.1 mm (4.6 in)	17 March 1961
Apr	324.4 mm (12.8 in)	29 April 1953
May	282.7 mm (11.1 in)	17 May 1953
Jun	109.7 mm (4.3 in)	24 June 1947
Jul	137.4 mm (5.4 in)	2 July 1936
Aug	126.2 mm (5.0 in)	23 August 1958
Sep	124.0 mm (4.9 in)	20 September 1947
Oct	121.9 mm (4.8 in)	30 October 1941
Nov	176.3 mm (6.9 in)	19 November 1948
Dec	124.5 mm (4.9 in)	23 December 1939

Period of Record Coverage

1935 to 1965

31 years of record at Pollock Forest Nursery, 1935 to 1965. 3 years have data for under 90 percent of days and are left out of rankings: 1935, 1945, 1946.

Days with data per year at Pollock Forest Nursery
Year	Days with data	Share of year	Complete
1935	267	73%	No
1936	364	99%	Yes
1937	363	99%	Yes
1938	358	98%	Yes
1939	361	99%	Yes
1940	364	99%	Yes
1941	350	96%	Yes
1942	335	92%	Yes
1943	354	97%	Yes
1944	353	96%	Yes
1945	297	81%	No
1946	241	66%	No
1947	351	96%	Yes
1948	360	98%	Yes
1949	364	100%	Yes
1950	365	100%	Yes
1951	365	100%	Yes
1952	366	100%	Yes
1953	364	100%	Yes
1954	363	99%	Yes
1955	365	100%	Yes
1956	365	100%	Yes
1957	365	100%	Yes
1958	365	100%	Yes
1959	364	100%	Yes
1960	366	100%	Yes
1961	364	100%	Yes
1962	363	99%	Yes
1963	347	95%	Yes
1964	358	98%	Yes
1965	364	100%	Yes

Latest Records

Latest records at Pollock Forest Nursery
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
22 December 1965	Pollock Forest Nursery, US	daily high max (Tie)	21.1 C (70.0 F)	tie	23 years	2 of 100 (Routine)
18 December 1965	Pollock Forest Nursery, US	daily rain	101.6 mm (4.0 in)	74.4 mm (2.9 in)	10 years	46 of 100 (Notable)
8 December 1965	Pollock Forest Nursery, US	daily low min	-3.9 C (25.0 F)	0.6 C (1.1 F)	7 years	5 of 100 (Routine)
26 November 1965	Pollock Forest Nursery, US	daily high max	28.3 C (82.9 F)	2.2 C (4.0 F)	20 years	13 of 100 (Routine)
25 November 1965	Pollock Forest Nursery, US	daily high max	30.0 C (86.0 F)	3.3 C (5.9 F)	19 years	14 of 100 (Routine)
25 November 1965	Pollock Forest Nursery, US	daily high min	12.2 C (54.0 F)	0.5 C (0.9 F)	24 years	10 of 100 (Routine)
24 November 1965	Pollock Forest Nursery, US	daily high max	29.4 C (84.9 F)	3.3 C (5.9 F)	14 years	13 of 100 (Routine)
23 November 1965	Pollock Forest Nursery, US	daily high max	26.7 C (80.1 F)	1.1 C (2.0 F)	14 years	9 of 100 (Routine)
21 November 1965	Pollock Forest Nursery, US	daily high min (Tie)	17.2 C (63.0 F)	tie	23 years	2 of 100 (Routine)
7 November 1965	Pollock Forest Nursery, US	daily high min (Tie)	17.2 C (63.0 F)	tie	8 years	1 of 100 (Routine)
26 October 1965	Pollock Forest Nursery, US	daily low min	1.7 C (35.1 F)	0.5 C (0.9 F)	12 years	6 of 100 (Routine)
25 October 1965	Pollock Forest Nursery, US	daily low min	0.6 C (33.1 F)	0.5 C (0.9 F)	12 years	6 of 100 (Routine)
6 October 1965	Pollock Forest Nursery, US	daily low max (Tie)	20.0 C (68.0 F)	tie	0 years	0 of 100 (Routine)
5 October 1965	Pollock Forest Nursery, US	daily low max	19.4 C (66.9 F)	0.6 C (1.1 F)	0 years	4 of 100 (Routine)
22 September 1965	Pollock Forest Nursery, US	daily rain	55.9 mm (2.2 in)	37.6 mm (1.5 in)	10 years	33 of 100 (Routine)
21 September 1965	Pollock Forest Nursery, US	daily rain	43.2 mm (1.7 in)	5.4 mm (0.21 in)	14 years	10 of 100 (Routine)
19 September 1965	Pollock Forest Nursery, US	daily rain	25.4 mm (1.0 in)	13.2 mm (0.5 in)	22 years	18 of 100 (Routine)
17 September 1965	Pollock Forest Nursery, US	daily high min (Tie)	22.2 C (72.0 F)	tie	23 years	2 of 100 (Routine)
16 September 1965	Pollock Forest Nursery, US	daily high min (Tie)	21.1 C (70.0 F)	tie	28 years	2 of 100 (Routine)
11 September 1965	Pollock Forest Nursery, US	daily rain	21.1 mm (0.8 in)	12.2 mm (0.5 in)	4 years	12 of 100 (Routine)

Climate Trend

25 complete years, 1936 to 1965

One stripe for each of 25 complete years at Pollock Forest Nursery, 1936 to 1965. Blue stripes are years cooler than the station's own mean of 18.9 C (66.0 F); red stripes are warmer. The coolest year was 1940, at 17.8 C (64.0 F), and the warmest was 1956, at 19.8 C (67.6 F). The strongest colour marks a difference of 1.2 C (2.2 F).

Annual mean temperature at Pollock Forest Nursery as warming stripes, 1936 to 1965
Year	Annual mean temperature	Difference from the station mean
1936	18.9 C	-0.02 C
1937	18.8 C	-0.08 C
1938	19.4 C	+0.47 C
1939	19.3 C	+0.37 C
1940	17.8 C	-1.13 C
1941	19.0 C	+0.11 C
1943	19.2 C	+0.26 C
1944	19.1 C	+0.15 C
1947	17.9 C	-0.98 C
1948	18.1 C	-0.82 C
1949	18.8 C	-0.11 C
1950	18.9 C	+0.02 C
1951	19.3 C	+0.36 C
1952	19.0 C	+0.04 C
1953	19.0 C	+0.05 C
1954	19.3 C	+0.39 C
1955	19.4 C	+0.49 C
1956	19.8 C	+0.85 C
1957	19.5 C	+0.60 C
1958	18.1 C	-0.78 C
1959	18.9 C	-0.03 C
1960	18.5 C	-0.42 C
1961	18.4 C	-0.56 C
1964	19.0 C	+0.10 C
1965	19.5 C	+0.56 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

1935 to 1965

Yearly extremes at Pollock Forest Nursery: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	42.2 C (108.0 F)	1947	37.8 C (100.0 F)	31
Coldest night (TNn)	-17.8 C (0.0 F)	1951	-7.8 C (18.0 F)	31
Wettest day (Rx1day)	324.4 mm (12.8 in)	1953	101.6 mm (4.0 in)	31
Wettest five days (Rx5day)	472.5 mm (18.6 in)	1953	149.4 mm (5.9 in)	31
Longest dry spell (CDD)	57 days	1952	25 days	31

Hottest day (TXx)

The hottest day of the year at Pollock Forest Nursery, 1935 to 1965. The record is 42.2 C (108.0 F) in 1947, marked on the chart; the median year is 37.8 C (100.0 F).

Hottest day (TXx) at Pollock Forest Nursery by year
Year	Hottest day (TXx)
1935	41.1 C (106.0 F)
1936	38.9 C (102.0 F)
1937	37.2 C (99.0 F)
1938	36.1 C (97.0 F)
1939	38.3 C (100.9 F)
1940	35.0 C (95.0 F)
1941	36.7 C (98.1 F)
1942	36.1 C (97.0 F)
1943	41.7 C (107.1 F)
1944	40.6 C (105.1 F)
1945	37.2 C (99.0 F)
1946	37.8 C (100.0 F)
1947	42.2 C (108.0 F)
1948	40.6 C (105.1 F)
1949	36.7 C (98.1 F)
1950	36.1 C (97.0 F)
1951	40.0 C (104.0 F)
1952	37.2 C (99.0 F)
1953	39.4 C (102.9 F)
1954	41.1 C (106.0 F)
1955	36.7 C (98.1 F)
1956	38.3 C (100.9 F)
1957	36.7 C (98.1 F)
1958	36.1 C (97.0 F)
1959	36.1 C (97.0 F)
1960	38.9 C (102.0 F)
1961	34.4 C (93.9 F)
1962	40.6 C (105.1 F)
1963	38.9 C (102.0 F)
1964	39.4 C (102.9 F)
1965	36.1 C (97.0 F)

Coldest night (TNn)

The coldest night of the year at Pollock Forest Nursery, 1935 to 1965. The record is -17.8 C (0.0 F) in 1951, marked on the chart; the median year is -7.8 C (18.0 F).

Coldest night (TNn) at Pollock Forest Nursery by year
Year	Coldest night (TNn)
1935	-7.2 C (19.0 F)
1936	-8.3 C (17.1 F)
1937	-7.8 C (18.0 F)
1938	-7.8 C (18.0 F)
1939	-7.8 C (18.0 F)
1940	-14.4 C (6.1 F)
1941	-6.1 C (21.0 F)
1942	-10.0 C (14.0 F)
1943	-10.0 C (14.0 F)
1944	-6.7 C (19.9 F)
1945	-6.1 C (21.0 F)
1946	-6.7 C (19.9 F)
1947	-10.0 C (14.0 F)
1948	-16.7 C (1.9 F)
1949	-11.1 C (12.0 F)
1950	-10.0 C (14.0 F)
1951	-17.8 C (0.0 F)
1952	-6.1 C (21.0 F)
1953	-7.8 C (18.0 F)
1954	-7.2 C (19.0 F)
1955	-8.3 C (17.1 F)
1956	-5.0 C (23.0 F)
1957	-7.8 C (18.0 F)
1958	-8.9 C (16.0 F)
1959	-7.2 C (19.0 F)
1960	-8.3 C (17.1 F)
1961	-7.8 C (18.0 F)
1962	-14.4 C (6.1 F)
1963	-12.8 C (9.0 F)
1964	-11.7 C (10.9 F)
1965	-7.8 C (18.0 F)

Wettest day (Rx1day)

The wettest day of the year at Pollock Forest Nursery, 1935 to 1965. The record is 324.4 mm (12.8 in) in 1953, marked on the chart; the median year is 101.6 mm (4.0 in).

Wettest day (Rx1day) at Pollock Forest Nursery by year
Year	Wettest day (Rx1day)
1935	159.0 mm (6.3 in)
1936	137.4 mm (5.4 in)
1937	133.9 mm (5.3 in)
1938	101.6 mm (4.0 in)
1939	124.5 mm (4.9 in)
1940	152.4 mm (6.0 in)
1941	121.9 mm (4.8 in)
1942	90.9 mm (3.6 in)
1943	58.4 mm (2.3 in)
1944	81.3 mm (3.2 in)
1945	76.2 mm (3.0 in)
1946	109.2 mm (4.3 in)
1947	124.0 mm (4.9 in)
1948	176.3 mm (6.9 in)
1949	78.0 mm (3.1 in)
1950	101.6 mm (4.0 in)
1951	73.7 mm (2.9 in)
1952	113.0 mm (4.4 in)
1953	324.4 mm (12.8 in)
1954	96.5 mm (3.8 in)
1955	105.4 mm (4.1 in)
1956	66.3 mm (2.6 in)
1957	71.4 mm (2.8 in)
1958	126.2 mm (5.0 in)
1959	68.1 mm (2.7 in)
1960	69.1 mm (2.7 in)
1961	159.5 mm (6.3 in)
1962	71.9 mm (2.8 in)
1963	45.2 mm (1.8 in)
1964	92.7 mm (3.6 in)
1965	101.6 mm (4.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Pollock Forest Nursery, 1935 to 1965. The record is 472.5 mm (18.6 in) in 1953, marked on the chart; the median year is 149.4 mm (5.9 in).

Wettest five days (Rx5day) at Pollock Forest Nursery by year
Year	Wettest five days (Rx5day)
1935	288.3 mm (11.4 in)
1936	149.4 mm (5.9 in)
1937	143.0 mm (5.6 in)
1938	154.7 mm (6.1 in)
1939	163.7 mm (6.4 in)
1940	191.7 mm (7.5 in)
1941	189.9 mm (7.5 in)
1942	127.0 mm (5.0 in)
1943	63.8 mm (2.5 in)
1944	121.9 mm (4.8 in)
1945	108.2 mm (4.3 in)
1946	178.3 mm (7.0 in)
1947	169.7 mm (6.7 in)
1948	239.3 mm (9.4 in)
1949	160.9 mm (6.3 in)
1950	186.9 mm (7.4 in)
1951	135.2 mm (5.3 in)
1952	121.2 mm (4.8 in)
1953	472.5 mm (18.6 in)
1954	160.8 mm (6.3 in)
1955	183.9 mm (7.2 in)
1956	107.7 mm (4.2 in)
1957	114.3 mm (4.5 in)
1958	267.4 mm (10.5 in)
1959	94.1 mm (3.7 in)
1960	105.2 mm (4.1 in)
1961	192.8 mm (7.6 in)
1962	119.4 mm (4.7 in)
1963	69.6 mm (2.7 in)
1964	120.9 mm (4.8 in)
1965	144.8 mm (5.7 in)

Longest dry spell (CDD)

The longest dry spell of the year at Pollock Forest Nursery, 1935 to 1965. The record is 57 days in 1952, marked on the chart; the median year is 25 days.

Longest dry spell (CDD) at Pollock Forest Nursery by year
Year	Longest dry spell (CDD)
1935	25 days
1936	25 days
1937	15 days
1938	33 days
1939	18 days
1940	21 days
1941	20 days
1942	27 days
1943	21 days
1944	35 days
1945	26 days
1946	25 days
1947	16 days
1948	44 days
1949	21 days
1950	22 days
1951	27 days
1952	57 days
1953	36 days
1954	23 days
1955	31 days
1956	24 days
1957	17 days
1958	20 days
1959	19 days
1960	16 days
1961	26 days
1962	29 days
1963	33 days
1964	33 days
1965	29 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.

Frost Dates and Growing Season

25 years with a frost

Across 25 years with a frost, the median last spring frost at Pollock Forest Nursery falls on 19 March and the median first autumn frost on 6 November, which leaves a median of 232 days between them.

Fitted over all years, the growing season changes by +12.1 days per decade at this station.

Frost dates and growing season at Pollock Forest Nursery
Measure	Median, all years	Earliest period	Recent period (1936 to 1965)	Recent against earliest	Fitted trend
Last spring frost	19 March	n/a	19 March	n/a	-8.2 days per decade
First autumn frost	6 November	n/a	6 November	n/a	+3.8 days per decade
Growing days	232 days	n/a	232 days	n/a	+12.1 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

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