Porterville Weather Records (USC00227141)

Record envelope, standing records and threshold days for Porterville (USC00227141), Mississippi, United States, with 47 years of record.

Key Facts for Porterville

Porterville (USC00227141) is a weather station in Mississippi, United States at 32.68 latitude and -88.47 longitude, 61 m (200 ft) above sea level.
The station reports from 1905 to 1951, 47 years of record.
1,464 records set at Porterville still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Mississippi, United States, 32.68 latitude, -88.47 longitude.
Elevation: 61 m (200 ft).
Period of record: 1905 to 1951, 47 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 Porterville. 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 Porterville, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	27.2 C (81.0 F)	-12.2 C (10.0 F)	n/a	n/a
Feb	26.7 C (80.1 F)	-11.1 C (12.0 F)	n/a	n/a
Mar	32.8 C (91.0 F)	-5.0 C (23.0 F)	n/a	n/a
Apr	33.3 C (91.9 F)	-3.3 C (26.1 F)	n/a	n/a
May	38.3 C (100.9 F)	2.8 C (37.0 F)	n/a	n/a
Jun	41.1 C (106.0 F)	8.3 C (46.9 F)	n/a	n/a
Jul	38.3 C (100.9 F)	13.3 C (55.9 F)	n/a	n/a
Aug	40.0 C (104.0 F)	12.8 C (55.0 F)	n/a	n/a
Sep	38.9 C (102.0 F)	3.3 C (37.9 F)	n/a	n/a
Oct	36.7 C (98.1 F)	-6.7 C (19.9 F)	n/a	n/a
Nov	30.6 C (87.1 F)	-8.9 C (16.0 F)	n/a	n/a
Dec	25.0 C (77.0 F)	-11.7 C (10.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Porterville still stand. 1911 holds the most, with 198.

Wettest Day of Each Month

Sep: 129.5 mm (5.1 in)

The wettest day on record for each calendar month at Porterville. The most was 129.5 mm (5.1 in) on 27 September 1906.

Record daily precipitation for each month at Porterville
Month	Record daily precipitation (mm)	Date
Jan	78.2 mm (3.1 in)	6 January 1950
Feb	67.6 mm (2.7 in)	14 February 1908
Mar	114.3 mm (4.5 in)	28 March 1912
Apr	102.9 mm (4.1 in)	25 April 1909
May	127.0 mm (5.0 in)	11 May 1915
Jun	77.0 mm (3.0 in)	2 June 1912
Jul	101.1 mm (4.0 in)	6 July 1916
Aug	71.4 mm (2.8 in)	2 August 1908
Sep	129.5 mm (5.1 in)	27 September 1906
Oct	42.4 mm (1.7 in)	4 October 1915
Nov	89.4 mm (3.5 in)	28 November 1948
Dec	66.0 mm (2.6 in)	28 December 1915

Period of Record Coverage

1905 to 1916

12 years of record at Porterville, 1905 to 1916. 5 years have data for under 90 percent of days and are left out of rankings: 1905, 1907, 1909, 1912, 1916.

Days with data per year at Porterville
Year	Days with data	Share of year	Complete
1905	302	83%	No
1906	364	100%	Yes
1907	273	75%	No
1908	358	98%	Yes
1909	320	88%	No
1910	362	99%	Yes
1911	356	98%	Yes
1912	261	71%	No
1913	361	99%	Yes
1914	363	99%	Yes
1915	364	100%	Yes
1916	294	80%	No

Latest Records

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

Extremes by Year

1905 to 1951

Yearly extremes at Porterville: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	41.1 C (106.0 F)	1914	38.1 C (100.5 F)	12
Coldest night (TNn)	-12.2 C (10.0 F)	1911	-9.1 C (15.5 F)	12
Wettest day (Rx1day)	129.5 mm (5.1 in)	1906	88.3 mm (3.5 in)	16
Wettest five days (Rx5day)	225.5 mm (8.9 in)	1909	140.4 mm (5.5 in)	16
Longest dry spell (CDD)	34 days	1915	20 days	16

Hottest day (TXx)

The hottest day of the year at Porterville, 1905 to 1951. The record is 41.1 C (106.0 F) in 1914, marked on the chart; the median year is 38.1 C (100.5 F).

Hottest day (TXx) at Porterville by year
Year	Hottest day (TXx)
1905	36.1 C (97.0 F)
1906	37.2 C (99.0 F)
1907	38.9 C (102.0 F)
1908	37.8 C (100.0 F)
1909	38.3 C (100.9 F)
1910	37.8 C (100.0 F)
1911	40.6 C (105.1 F)
1912	36.7 C (98.1 F)
1913	38.9 C (102.0 F)
1914	41.1 C (106.0 F)
1915	40.0 C (104.0 F)
1916	36.7 C (98.1 F)
1948	n/a
1949	n/a
1950	n/a
1951	n/a

Coldest night (TNn)

The coldest night of the year at Porterville, 1905 to 1951. The record is -12.2 C (10.0 F) in 1911, marked on the chart; the median year is -9.1 C (15.5 F).

Coldest night (TNn) at Porterville by year
Year	Coldest night (TNn)
1905	-7.8 C (18.0 F)
1906	-7.2 C (19.0 F)
1907	-7.2 C (19.0 F)
1908	-8.3 C (17.1 F)
1909	-11.7 C (10.9 F)
1910	-10.0 C (14.0 F)
1911	-12.2 C (10.0 F)
1912	-11.7 C (10.9 F)
1913	-5.6 C (21.9 F)
1914	-11.1 C (12.0 F)
1915	-6.7 C (19.9 F)
1916	-11.1 C (12.0 F)
1948	n/a
1949	n/a
1950	n/a
1951	n/a

Wettest day (Rx1day)

The wettest day of the year at Porterville, 1905 to 1951. The record is 129.5 mm (5.1 in) in 1906, marked on the chart; the median year is 88.3 mm (3.5 in).

Wettest day (Rx1day) at Porterville by year
Year	Wettest day (Rx1day)
1905	57.7 mm (2.3 in)
1906	129.5 mm (5.1 in)
1907	59.9 mm (2.4 in)
1908	87.1 mm (3.4 in)
1909	104.1 mm (4.1 in)
1910	75.7 mm (3.0 in)
1911	64.0 mm (2.5 in)
1912	114.3 mm (4.5 in)
1913	102.1 mm (4.0 in)
1914	54.4 mm (2.1 in)
1915	127.0 mm (5.0 in)
1916	101.1 mm (4.0 in)
1948	89.4 mm (3.5 in)
1949	70.4 mm (2.8 in)
1950	78.2 mm (3.1 in)
1951	102.4 mm (4.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Porterville, 1905 to 1951. The record is 225.5 mm (8.9 in) in 1909, marked on the chart; the median year is 140.4 mm (5.5 in).

Wettest five days (Rx5day) at Porterville by year
Year	Wettest five days (Rx5day)
1905	78.5 mm (3.1 in)
1906	153.1 mm (6.0 in)
1907	104.9 mm (4.1 in)
1908	112.1 mm (4.4 in)
1909	225.5 mm (8.9 in)
1910	125.7 mm (4.9 in)
1911	107.5 mm (4.2 in)
1912	140.5 mm (5.5 in)
1913	184.4 mm (7.3 in)
1914	106.7 mm (4.2 in)
1915	165.1 mm (6.5 in)
1916	194.5 mm (7.7 in)
1948	198.8 mm (7.8 in)
1949	129.1 mm (5.1 in)
1950	147.1 mm (5.8 in)
1951	140.2 mm (5.5 in)

Longest dry spell (CDD)

The longest dry spell of the year at Porterville, 1905 to 1951. The record is 34 days in 1915, marked on the chart; the median year is 20 days.

Longest dry spell (CDD) at Porterville by year
Year	Longest dry spell (CDD)
1905	11 days
1906	26 days
1907	18 days
1908	18 days
1909	23 days
1910	21 days
1911	19 days
1912	14 days
1913	20 days
1914	24 days
1915	34 days
1916	28 days
1948	17 days
1949	20 days
1950	18 days
1951	26 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 Porterville standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Porterville 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).