State Line Weather Records (USC00228382)

Record envelope, standing records and threshold days for State Line (USC00228382), Mississippi, United States, with 58 years of record.

Key Facts for State Line

State Line (USC00228382) is a weather station in Mississippi, United States at 31.43 latitude and -88.48 longitude, 79 m (259 ft) above sea level.
The station reports from 1920 to 1977, 58 years of record.
1,464 records set at State Line 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, 31.43 latitude, -88.48 longitude.
Elevation: 79 m (259 ft).
Period of record: 1920 to 1977, 58 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 State Line. 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 State Line, 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)	-15.0 C (5.0 F)	n/a	n/a
Feb	30.0 C (86.0 F)	-11.1 C (12.0 F)	n/a	n/a
Mar	31.7 C (89.1 F)	-7.8 C (18.0 F)	n/a	n/a
Apr	33.9 C (93.0 F)	-0.6 C (30.9 F)	n/a	n/a
May	36.1 C (97.0 F)	3.3 C (37.9 F)	n/a	n/a
Jun	38.9 C (102.0 F)	8.3 C (46.9 F)	n/a	n/a
Jul	37.8 C (100.0 F)	11.7 C (53.1 F)	n/a	n/a
Aug	37.2 C (99.0 F)	11.1 C (52.0 F)	n/a	n/a
Sep	37.2 C (99.0 F)	1.7 C (35.1 F)	n/a	n/a
Oct	33.3 C (91.9 F)	-1.7 C (28.9 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)	-15.0 C (5.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at State Line still stand. 1962 holds the most, with 101.

Standing records at State Line by the year they were set
Year set	Standing records
1956	61
1957	82
1958	60
1959	75
1960	75
1961	64
1962	101
1963	93
1964	53
1965	52
1966	41
1967	95
1968	61
1969	59
1970	65
1971	51
1972	84
1973	54
1974	67
1975	61
1976	54
1977	56

Wettest Day of Each Month

Dec: 209.8 mm (8.3 in)

The wettest day on record for each calendar month at State Line. The most was 209.8 mm (8.3 in) on 10 December 1961.

Record daily precipitation for each month at State Line
Month	Record daily precipitation (mm)	Date
Jan	111.8 mm (4.4 in)	23 January 1965
Feb	161.0 mm (6.3 in)	18 February 1961
Mar	129.5 mm (5.1 in)	4 March 1970
Apr	90.2 mm (3.6 in)	13 April 1974
May	137.2 mm (5.4 in)	8 May 1973
Jun	100.8 mm (4.0 in)	9 June 1959
Jul	81.3 mm (3.2 in)	11 July 1977
Aug	120.1 mm (4.7 in)	18 August 1969
Sep	105.2 mm (4.1 in)	6 September 1977
Oct	86.4 mm (3.4 in)	31 October 1967
Nov	99.8 mm (3.9 in)	14 November 1957
Dec	209.8 mm (8.3 in)	10 December 1961

Period of Record Coverage

1920 to 1977

23 years of record at State Line, 1920 to 1977. 5 years have data for under 90 percent of days and are left out of rankings: 1920, 1956, 1964, 1966, 1977.

Days with data per year at State Line
Year	Days with data	Share of year	Complete
1920	1	0%	No
1956	246	67%	No
1957	364	100%	Yes
1958	364	100%	Yes
1959	364	100%	Yes
1960	365	100%	Yes
1961	365	100%	Yes
1962	364	100%	Yes
1963	365	100%	Yes
1964	305	83%	No
1965	364	100%	Yes
1966	211	58%	No
1967	365	100%	Yes
1968	366	100%	Yes
1969	365	100%	Yes
1970	365	100%	Yes
1971	365	100%	Yes
1972	366	100%	Yes
1973	353	97%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	347	95%	Yes
1977	322	88%	No

Latest Records

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

Climate Trend

17 complete years, 1957 to 1975

One stripe for each of 17 complete years at State Line, 1957 to 1975. Blue stripes are years cooler than the station's own mean of 18.0 C (64.3 F); red stripes are warmer. The coolest year was 1968, at 17.2 C (62.9 F), and the warmest was 1957, at 18.9 C (66.0 F). The strongest colour marks a difference of 1.0 C (1.8 F).

Annual mean temperature at State Line as warming stripes, 1957 to 1975
Year	Annual mean temperature	Difference from the station mean
1957	18.9 C	+0.90 C
1958	17.3 C	-0.64 C
1959	18.0 C	-0.02 C
1960	17.5 C	-0.48 C
1961	17.7 C	-0.24 C
1962	18.4 C	+0.45 C
1963	17.9 C	-0.10 C
1965	18.4 C	+0.45 C
1967	17.9 C	-0.06 C
1968	17.2 C	-0.80 C
1969	17.5 C	-0.51 C
1970	17.8 C	-0.17 C
1971	18.0 C	+0.00 C
1972	18.4 C	+0.44 C
1973	18.1 C	+0.15 C
1974	18.4 C	+0.43 C
1975	18.2 C	+0.19 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

1920 to 1977

Yearly extremes at State Line: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	38.9 C (102.0 F)	1963	36.7 C (98.1 F)	23
Coldest night (TNn)	-15.0 C (5.0 F)	1962	-9.4 C (15.1 F)	23
Wettest day (Rx1day)	209.8 mm (8.3 in)	1961	90.2 mm (3.6 in)	23
Wettest five days (Rx5day)	333.2 mm (13.1 in)	1961	133.9 mm (5.3 in)	22
Longest dry spell (CDD)	34 days	1963	20 days	23

Hottest day (TXx)

The hottest day of the year at State Line, 1920 to 1977. The record is 38.9 C (102.0 F) in 1963, marked on the chart; the median year is 36.7 C (98.1 F).

Hottest day (TXx) at State Line by year
Year	Hottest day (TXx)
1920	32.2 C (90.0 F)
1956	37.2 C (99.0 F)
1957	36.7 C (98.1 F)
1958	35.6 C (96.1 F)
1959	36.1 C (97.0 F)
1960	37.2 C (99.0 F)
1961	35.0 C (95.0 F)
1962	36.7 C (98.1 F)
1963	38.9 C (102.0 F)
1964	36.1 C (97.0 F)
1965	35.6 C (96.1 F)
1966	33.9 C (93.0 F)
1967	37.2 C (99.0 F)
1968	36.7 C (98.1 F)
1969	37.8 C (100.0 F)
1970	37.2 C (99.0 F)
1971	35.6 C (96.1 F)
1972	37.2 C (99.0 F)
1973	33.9 C (93.0 F)
1974	35.0 C (95.0 F)
1975	36.7 C (98.1 F)
1976	36.1 C (97.0 F)
1977	37.2 C (99.0 F)

Coldest night (TNn)

The coldest night of the year at State Line, 1920 to 1977. The record is -15.0 C (5.0 F) in 1962, marked on the chart; the median year is -9.4 C (15.1 F).

Coldest night (TNn) at State Line by year
Year	Coldest night (TNn)
1920	20.6 C (69.1 F)
1956	-5.6 C (21.9 F)
1957	-8.9 C (16.0 F)
1958	-8.9 C (16.0 F)
1959	-7.8 C (18.0 F)
1960	-8.3 C (17.1 F)
1961	-9.4 C (15.1 F)
1962	-15.0 C (5.0 F)
1963	-15.0 C (5.0 F)
1964	-10.0 C (14.0 F)
1965	-9.4 C (15.1 F)
1966	-13.3 C (8.1 F)
1967	-8.9 C (16.0 F)
1968	-10.0 C (14.0 F)
1969	-11.1 C (12.0 F)
1970	-13.3 C (8.1 F)
1971	-9.4 C (15.1 F)
1972	-10.0 C (14.0 F)
1973	-7.8 C (18.0 F)
1974	-6.7 C (19.9 F)
1975	-8.3 C (17.1 F)
1976	-8.9 C (16.0 F)
1977	-15.0 C (5.0 F)

Wettest day (Rx1day)

The wettest day of the year at State Line, 1920 to 1977. The record is 209.8 mm (8.3 in) in 1961, marked on the chart; the median year is 90.2 mm (3.6 in).

Wettest day (Rx1day) at State Line by year
Year	Wettest day (Rx1day)
1920	0.0 mm (0.00 in)
1956	73.7 mm (2.9 in)
1957	102.6 mm (4.0 in)
1958	59.4 mm (2.3 in)
1959	100.8 mm (4.0 in)
1960	94.7 mm (3.7 in)
1961	209.8 mm (8.3 in)
1962	74.4 mm (2.9 in)
1963	88.1 mm (3.5 in)
1964	89.2 mm (3.5 in)
1965	111.8 mm (4.4 in)
1966	68.1 mm (2.7 in)
1967	86.4 mm (3.4 in)
1968	77.5 mm (3.1 in)
1969	120.1 mm (4.7 in)
1970	129.5 mm (5.1 in)
1971	79.8 mm (3.1 in)
1972	84.8 mm (3.3 in)
1973	137.2 mm (5.4 in)
1974	90.2 mm (3.6 in)
1975	98.0 mm (3.9 in)
1976	106.7 mm (4.2 in)
1977	105.2 mm (4.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at State Line, 1920 to 1977. The record is 333.2 mm (13.1 in) in 1961, marked on the chart; the median year is 133.9 mm (5.3 in).

Wettest five days (Rx5day) at State Line by year
Year	Wettest five days (Rx5day)
1920	n/a
1956	117.6 mm (4.6 in)
1957	167.3 mm (6.6 in)
1958	117.3 mm (4.6 in)
1959	144.0 mm (5.7 in)
1960	177.2 mm (7.0 in)
1961	333.2 mm (13.1 in)
1962	95.3 mm (3.8 in)
1963	91.7 mm (3.6 in)
1964	99.9 mm (3.9 in)
1965	116.3 mm (4.6 in)
1966	152.5 mm (6.0 in)
1967	120.9 mm (4.8 in)
1968	95.7 mm (3.8 in)
1969	123.1 mm (4.8 in)
1970	129.5 mm (5.1 in)
1971	143.6 mm (5.7 in)
1972	138.2 mm (5.4 in)
1973	150.2 mm (5.9 in)
1974	179.9 mm (7.1 in)
1975	162.6 mm (6.4 in)
1976	160.1 mm (6.3 in)
1977	128.0 mm (5.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at State Line, 1920 to 1977. The record is 34 days in 1963, marked on the chart; the median year is 20 days.

Longest dry spell (CDD) at State Line by year
Year	Longest dry spell (CDD)
1920	1 day
1956	24 days
1957	15 days
1958	16 days
1959	10 days
1960	23 days
1961	31 days
1962	19 days
1963	34 days
1964	24 days
1965	30 days
1966	16 days
1967	30 days
1968	23 days
1969	18 days
1970	20 days
1971	26 days
1972	22 days
1973	14 days
1974	17 days
1975	19 days
1976	21 days
1977	19 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 State Line standing records by year: CSV or JSON. Field meanings are on the data page.
Data for State Line 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).