Greenville Weather Records (USC00373306)

Record envelope, standing records and threshold days for Greenville (USC00373306), Rhode Island, United States, with 33 years of record.

Key Facts for Greenville

Greenville (USC00373306) is a weather station in Rhode Island, United States at 41.88 latitude and -71.57 longitude, 128 m (420 ft) above sea level.
The station reports from 1942 to 1974, 33 years of record.
1,464 records set at Greenville still stand.
Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.

About the Station

Location: Rhode Island, United States, 41.88 latitude, -71.57 longitude.
Elevation: 128 m (420 ft).
Period of record: 1942 to 1974, 33 years.
Eligible elements: tmax, tmin.

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 Greenville. 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 Greenville, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	18.9 C (66.0 F)	-26.1 C (-15.0 F)	n/a	n/a
Feb	21.7 C (71.1 F)	-27.2 C (-17.0 F)	n/a	n/a
Mar	29.4 C (84.9 F)	-20.0 C (-4.0 F)	n/a	n/a
Apr	30.6 C (87.1 F)	-11.1 C (12.0 F)	n/a	n/a
May	33.9 C (93.0 F)	-1.7 C (28.9 F)	n/a	n/a
Jun	36.7 C (98.1 F)	1.1 C (34.0 F)	n/a	n/a
Jul	38.9 C (102.0 F)	6.7 C (44.1 F)	n/a	n/a
Aug	38.3 C (100.9 F)	2.2 C (36.0 F)	n/a	n/a
Sep	37.2 C (99.0 F)	-1.7 C (28.9 F)	n/a	n/a
Oct	30.0 C (86.0 F)	-6.7 C (19.9 F)	n/a	n/a
Nov	27.8 C (82.0 F)	-12.8 C (9.0 F)	n/a	n/a
Dec	19.4 C (66.9 F)	-25.0 C (-13.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Greenville still stand. 1949 holds the most, with 77.

Standing records at Greenville by the year they were set
Year set	Standing records
1942	41
1943	71
1944	46
1945	76
1946	63
1947	56
1948	61
1949	77
1950	58
1951	50
1952	32
1953	55
1954	53
1955	35
1956	57
1957	58
1958	33
1959	48
1960	23
1961	39
1962	57
1963	40
1964	46
1965	44
1966	39
1967	42
1968	43
1969	27
1970	40
1972	10
1973	5
1974	39

Wettest Day of Each Month

Sep: 147.6 mm (5.8 in)

The wettest day on record for each calendar month at Greenville. The most was 147.6 mm (5.8 in) on 11 September 1954.

Record daily precipitation for each month at Greenville
Month	Record daily precipitation (mm)	Date
Jan	44.5 mm (1.8 in)	25 January 1946
Feb	81.3 mm (3.2 in)	25 February 1965
Mar	60.5 mm (2.4 in)	3 March 1947
Apr	63.8 mm (2.5 in)	19 April 1969
May	76.2 mm (3.0 in)	26 May 1967
Jun	68.6 mm (2.7 in)	27 June 1945
Jul	82.3 mm (3.2 in)	11 July 1959
Aug	119.4 mm (4.7 in)	19 August 1955
Sep	147.6 mm (5.8 in)	11 September 1954
Oct	92.7 mm (3.6 in)	6 October 1962
Nov	118.4 mm (4.7 in)	12 November 1947
Dec	59.4 mm (2.3 in)	27 December 1969

Period of Record Coverage

1942 to 1974

32 years of record at Greenville, 1942 to 1974. 6 years have data for under 90 percent of days and are left out of rankings: 1942, 1967, 1970, 1972, 1973, 1974.

Days with data per year at Greenville
Year	Days with data	Share of year	Complete
1942	229	63%	No
1943	357	98%	Yes
1944	362	99%	Yes
1945	362	99%	Yes
1946	363	99%	Yes
1947	355	97%	Yes
1948	364	99%	Yes
1949	358	98%	Yes
1950	360	99%	Yes
1951	358	98%	Yes
1952	360	98%	Yes
1953	329	90%	Yes
1954	360	99%	Yes
1955	361	99%	Yes
1956	348	95%	Yes
1957	354	97%	Yes
1958	358	98%	Yes
1959	351	96%	Yes
1960	353	96%	Yes
1961	360	99%	Yes
1962	357	98%	Yes
1963	346	95%	Yes
1964	362	99%	Yes
1965	349	96%	Yes
1966	360	99%	Yes
1967	288	79%	No
1968	348	95%	Yes
1969	359	98%	Yes
1970	328	90%	No
1972	149	41%	No
1973	60	16%	No
1974	236	65%	No

Latest Records

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

Climate Trend

23 complete years, 1943 to 1969

One stripe for each of 23 complete years at Greenville, 1943 to 1969. Blue stripes are years cooler than the station's own mean of 9.5 C (49.1 F); red stripes are warmer. The coolest year was 1962, at 8.1 C (46.6 F), and the warmest was 1949, at 11.1 C (52.0 F). The strongest colour marks a difference of 1.7 C (3.1 F).

Annual mean temperature at Greenville as warming stripes, 1943 to 1969
Year	Annual mean temperature	Difference from the station mean
1943	9.2 C	-0.29 C
1944	9.9 C	+0.44 C
1945	10.0 C	+0.45 C
1946	9.9 C	+0.35 C
1947	9.4 C	-0.15 C
1948	9.6 C	+0.10 C
1949	11.1 C	+1.63 C
1950	9.6 C	+0.10 C
1951	10.2 C	+0.66 C
1952	10.3 C	+0.80 C
1954	9.6 C	+0.13 C
1955	9.4 C	-0.08 C
1956	8.9 C	-0.58 C
1957	10.1 C	+0.58 C
1958	8.5 C	-0.99 C
1959	9.6 C	+0.08 C
1960	9.0 C	-0.54 C
1961	9.1 C	-0.39 C
1962	8.1 C	-1.40 C
1964	9.1 C	-0.40 C
1965	8.9 C	-0.57 C
1966	9.4 C	-0.10 C
1969	9.8 C	+0.28 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

1942 to 1974

Yearly extremes at Greenville: 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)	1949	34.2 C (93.5 F)	32
Coldest night (TNn)	-27.2 C (-17.0 F)	1943	-20.3 C (-4.5 F)	32
Wettest day (Rx1day)	147.6 mm (5.8 in)	1954	63.3 mm (2.5 in)	32
Wettest five days (Rx5day)	224.3 mm (8.8 in)	1944	96.4 mm (3.8 in)	32
Longest dry spell (CDD)	26 days	1947	18 days	32

Hottest day (TXx)

The hottest day of the year at Greenville, 1942 to 1974. The record is 38.9 C (102.0 F) in 1949, marked on the chart; the median year is 34.2 C (93.5 F).

Hottest day (TXx) at Greenville by year
Year	Hottest day (TXx)
1942	32.8 C (91.0 F)
1943	33.9 C (93.0 F)
1944	36.7 C (98.1 F)
1945	34.4 C (93.9 F)
1946	34.4 C (93.9 F)
1947	33.9 C (93.0 F)
1948	37.2 C (99.0 F)
1949	38.9 C (102.0 F)
1950	32.8 C (91.0 F)
1951	32.2 C (90.0 F)
1952	36.7 C (98.1 F)
1953	37.2 C (99.0 F)
1954	33.9 C (93.0 F)
1955	35.0 C (95.0 F)
1956	35.6 C (96.1 F)
1957	37.2 C (99.0 F)
1958	32.8 C (91.0 F)
1959	33.9 C (93.0 F)
1960	31.7 C (89.1 F)
1961	32.8 C (91.0 F)
1962	31.7 C (89.1 F)
1963	35.0 C (95.0 F)
1964	35.0 C (95.0 F)
1965	32.8 C (91.0 F)
1966	36.1 C (97.0 F)
1967	33.9 C (93.0 F)
1968	35.6 C (96.1 F)
1969	33.9 C (93.0 F)
1970	34.4 C (93.9 F)
1972	32.8 C (91.0 F)
1973	20.6 C (69.1 F)
1974	35.0 C (95.0 F)

Coldest night (TNn)

The coldest night of the year at Greenville, 1942 to 1974. The record is -27.2 C (-17.0 F) in 1943, marked on the chart; the median year is -20.3 C (-4.5 F).

Coldest night (TNn) at Greenville by year
Year	Coldest night (TNn)
1942	-25.0 C (-13.0 F)
1943	-27.2 C (-17.0 F)
1944	-16.7 C (1.9 F)
1945	-21.1 C (-6.0 F)
1946	-20.0 C (-4.0 F)
1947	-15.6 C (3.9 F)
1948	-21.7 C (-7.1 F)
1949	-17.2 C (1.0 F)
1950	-21.1 C (-6.0 F)
1951	-17.8 C (0.0 F)
1952	-19.4 C (-2.9 F)
1953	-15.0 C (5.0 F)
1954	-20.6 C (-5.1 F)
1955	-21.1 C (-6.0 F)
1956	-16.7 C (1.9 F)
1957	-26.1 C (-15.0 F)
1958	-18.9 C (-2.0 F)
1959	-19.4 C (-2.9 F)
1960	-16.7 C (1.9 F)
1961	-23.3 C (-9.9 F)
1962	-22.8 C (-9.0 F)
1963	-20.6 C (-5.1 F)
1964	-16.7 C (1.9 F)
1965	-22.2 C (-8.0 F)
1966	-18.9 C (-2.0 F)
1967	-23.3 C (-9.9 F)
1968	-22.8 C (-9.0 F)
1969	-16.1 C (3.0 F)
1970	-21.1 C (-6.0 F)
1972	-13.3 C (8.1 F)
1973	-15.6 C (3.9 F)
1974	-20.6 C (-5.1 F)

Wettest day (Rx1day)

The wettest day of the year at Greenville, 1942 to 1974. The record is 147.6 mm (5.8 in) in 1954, marked on the chart; the median year is 63.3 mm (2.5 in).

Wettest day (Rx1day) at Greenville by year
Year	Wettest day (Rx1day)
1942	50.5 mm (2.0 in)
1943	57.2 mm (2.3 in)
1944	101.6 mm (4.0 in)
1945	68.6 mm (2.7 in)
1946	112.0 mm (4.4 in)
1947	118.4 mm (4.7 in)
1948	62.5 mm (2.5 in)
1949	52.1 mm (2.1 in)
1950	61.2 mm (2.4 in)
1951	69.9 mm (2.8 in)
1952	51.6 mm (2.0 in)
1953	72.4 mm (2.9 in)
1954	147.6 mm (5.8 in)
1955	119.4 mm (4.7 in)
1956	46.0 mm (1.8 in)
1957	37.8 mm (1.5 in)
1958	49.0 mm (1.9 in)
1959	82.3 mm (3.2 in)
1960	107.2 mm (4.2 in)
1961	127.3 mm (5.0 in)
1962	92.7 mm (3.6 in)
1963	52.1 mm (2.1 in)
1964	60.2 mm (2.4 in)
1965	81.3 mm (3.2 in)
1966	51.3 mm (2.0 in)
1967	76.2 mm (3.0 in)
1968	50.8 mm (2.0 in)
1969	63.8 mm (2.5 in)
1970	63.8 mm (2.5 in)
1972	62.7 mm (2.5 in)
1973	37.1 mm (1.5 in)
1974	44.5 mm (1.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Greenville, 1942 to 1974. The record is 224.3 mm (8.8 in) in 1944, marked on the chart; the median year is 96.4 mm (3.8 in).

Wettest five days (Rx5day) at Greenville by year
Year	Wettest five days (Rx5day)
1942	83.6 mm (3.3 in)
1943	83.9 mm (3.3 in)
1944	224.3 mm (8.8 in)
1945	83.8 mm (3.3 in)
1946	125.7 mm (4.9 in)
1947	144.3 mm (5.7 in)
1948	82.5 mm (3.2 in)
1949	73.1 mm (2.9 in)
1950	81.0 mm (3.2 in)
1951	107.0 mm (4.2 in)
1952	75.7 mm (3.0 in)
1953	123.2 mm (4.9 in)
1954	162.3 mm (6.4 in)
1955	215.5 mm (8.5 in)
1956	67.6 mm (2.7 in)
1957	92.9 mm (3.7 in)
1958	85.6 mm (3.4 in)
1959	131.3 mm (5.2 in)
1960	118.9 mm (4.7 in)
1961	164.7 mm (6.5 in)
1962	203.7 mm (8.0 in)
1963	99.8 mm (3.9 in)
1964	92.0 mm (3.6 in)
1965	86.4 mm (3.4 in)
1966	99.8 mm (3.9 in)
1967	136.7 mm (5.4 in)
1968	83.3 mm (3.3 in)
1969	111.8 mm (4.4 in)
1970	105.6 mm (4.2 in)
1972	62.7 mm (2.5 in)
1973	48.5 mm (1.9 in)
1974	58.3 mm (2.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Greenville, 1942 to 1974. The record is 26 days in 1947, marked on the chart; the median year is 18 days.

Longest dry spell (CDD) at Greenville by year
Year	Longest dry spell (CDD)
1942	15 days
1943	19 days
1944	16 days
1945	17 days
1946	15 days
1947	26 days
1948	14 days
1949	24 days
1950	21 days
1951	12 days
1952	20 days
1953	22 days
1954	13 days
1955	25 days
1956	16 days
1957	16 days
1958	21 days
1959	14 days
1960	19 days
1961	17 days
1962	18 days
1963	25 days
1964	23 days
1965	22 days
1966	25 days
1967	15 days
1968	22 days
1969	17 days
1970	13 days
1972	19 days
1973	14 days
1974	16 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

23 years with a frost

Across 23 years with a frost, the median last spring frost at Greenville falls on 29 April and the median first autumn frost on 7 October, which leaves a median of 162 days between them.

Frost dates and growing season at Greenville
Measure	Median, all years	Earliest period	Recent period (1943 to 1969)	Recent against earliest	Fitted trend
Last spring frost	29 April	n/a	29 April	n/a	n/a
First autumn frost	7 October	n/a	7 October	n/a	n/a
Growing days	162 days	n/a	162 days	n/a	n/a

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 Greenville standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Greenville 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).