Elma Weather Records (USC00302599)

Record envelope, standing records and threshold days for Elma (USC00302599), New York, United States, with 41 years of record.

Key Facts for Elma

Elma (USC00302599) is a weather station in New York, United States at 42.85 latitude and -78.63 longitude, 236 m (775 ft) above sea level.
The station reports from 1942 to 1982, 41 years of record.
1,464 records set at Elma still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: New York, United States, 42.85 latitude, -78.63 longitude.
Elevation: 236 m (775 ft).
Period of record: 1942 to 1982, 41 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 Elma. 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 Elma, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	22.8 C (73.0 F)	-28.9 C (-20.0 F)	n/a	n/a
Feb	18.3 C (64.9 F)	-26.7 C (-16.1 F)	n/a	n/a
Mar	26.1 C (79.0 F)	-25.6 C (-14.1 F)	n/a	n/a
Apr	29.4 C (84.9 F)	-13.3 C (8.1 F)	n/a	n/a
May	30.6 C (87.1 F)	-3.9 C (25.0 F)	n/a	n/a
Jun	33.3 C (91.9 F)	-1.7 C (28.9 F)	n/a	n/a
Jul	34.4 C (93.9 F)	4.4 C (39.9 F)	n/a	n/a
Aug	35.6 C (96.1 F)	2.2 C (36.0 F)	n/a	n/a
Sep	35.0 C (95.0 F)	-3.3 C (26.1 F)	n/a	n/a
Oct	30.0 C (86.0 F)	-5.6 C (21.9 F)	n/a	n/a
Nov	25.6 C (78.1 F)	-18.3 C (-0.9 F)	n/a	n/a
Dec	18.9 C (66.0 F)	-26.7 C (-16.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Elma still stand. 1945 holds the most, with 107.

Standing records at Elma by the year they were set
Year set	Standing records
1942	63
1943	98
1944	78
1945	107
1946	90
1947	94
1948	73
1949	103
1950	76
1951	64
1952	73
1953	65
1954	74
1955	70
1956	73
1957	71
1958	61
1959	70
1960	38
1976	23

Wettest Day of Each Month

Sep: 78.5 mm (3.1 in)

The wettest day on record for each calendar month at Elma. The most was 78.5 mm (3.1 in) on 14 September 1979.

Record daily precipitation for each month at Elma
Month	Record daily precipitation (mm)	Date
Jan	49.5 mm (1.9 in)	21 January 1959
Feb	59.7 mm (2.4 in)	16 February 1954
Mar	41.4 mm (1.6 in)	29 March 1954
Apr	49.8 mm (2.0 in)	23 April 1977
May	43.2 mm (1.7 in)	19 May 1957
Jun	47.0 mm (1.9 in)	28 June 1957
Jul	60.2 mm (2.4 in)	30 July 1977
Aug	74.7 mm (2.9 in)	30 August 1979
Sep	78.5 mm (3.1 in)	14 September 1979
Oct	64.3 mm (2.5 in)	6 October 1955
Nov	45.2 mm (1.8 in)	29 November 1945
Dec	31.2 mm (1.2 in)	7 December 1957

Period of Record Coverage

1942 to 1976

20 years of record at Elma, 1942 to 1976. 3 years have data for under 90 percent of days and are left out of rankings: 1942, 1960, 1976.

Days with data per year at Elma
Year	Days with data	Share of year	Complete
1942	245	67%	No
1943	365	100%	Yes
1944	366	100%	Yes
1945	365	100%	Yes
1946	365	100%	Yes
1947	365	100%	Yes
1948	366	100%	Yes
1949	365	100%	Yes
1950	364	100%	Yes
1951	364	100%	Yes
1952	366	100%	Yes
1953	365	100%	Yes
1954	365	100%	Yes
1955	364	100%	Yes
1956	366	100%	Yes
1957	365	100%	Yes
1958	365	100%	Yes
1959	364	100%	Yes
1960	152	42%	No
1976	68	19%	No

Latest Records

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

Climate Trend

17 complete years, 1943 to 1959

One stripe for each of 17 complete years at Elma, 1943 to 1959. Blue stripes are years cooler than the station's own mean of 8.3 C (46.9 F); red stripes are warmer. The coolest year was 1958, at 7.2 C (44.9 F), and the warmest was 1953, at 9.3 C (48.8 F). The strongest colour marks a difference of 1.1 C (2.0 F).

Annual mean temperature at Elma as warming stripes, 1943 to 1959
Year	Annual mean temperature	Difference from the station mean
1943	7.3 C	-0.98 C
1944	8.3 C	-0.01 C
1945	7.8 C	-0.47 C
1946	8.8 C	+0.57 C
1947	8.3 C	+0.01 C
1948	8.2 C	-0.05 C
1949	9.3 C	+1.01 C
1950	7.7 C	-0.57 C
1951	8.2 C	-0.07 C
1952	8.7 C	+0.46 C
1953	9.3 C	+1.04 C
1954	8.5 C	+0.22 C
1955	8.8 C	+0.52 C
1956	7.6 C	-0.69 C
1957	8.2 C	-0.03 C
1958	7.2 C	-1.10 C
1959	8.4 C	+0.11 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 1982

Yearly extremes at Elma: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.6 C (96.1 F)	1948	32.8 C (91.0 F)	20
Coldest night (TNn)	-28.9 C (-20.0 F)	1957	-22.5 C (-8.5 F)	20
Wettest day (Rx1day)	78.5 mm (3.1 in)	1979	44.9 mm (1.8 in)	26
Wettest five days (Rx5day)	136.2 mm (5.4 in)	1979	84.2 mm (3.3 in)	26
Longest dry spell (CDD)	23 days	1957	15 days	26

Hottest day (TXx)

The hottest day of the year at Elma, 1942 to 1982. The record is 35.6 C (96.1 F) in 1948, marked on the chart; the median year is 32.8 C (91.0 F).

Hottest day (TXx) at Elma by year
Year	Hottest day (TXx)
1942	31.1 C (88.0 F)
1943	32.2 C (90.0 F)
1944	34.4 C (93.9 F)
1945	32.8 C (91.0 F)
1946	32.8 C (91.0 F)
1947	32.8 C (91.0 F)
1948	35.6 C (96.1 F)
1949	33.9 C (93.0 F)
1950	31.7 C (89.1 F)
1951	33.3 C (91.9 F)
1952	32.8 C (91.0 F)
1953	35.0 C (95.0 F)
1954	32.2 C (90.0 F)
1955	34.4 C (93.9 F)
1956	30.6 C (87.1 F)
1957	33.3 C (91.9 F)
1958	31.1 C (88.0 F)
1959	33.3 C (91.9 F)
1960	27.8 C (82.0 F)
1976	28.3 C (82.9 F)
1977	n/a
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a

Coldest night (TNn)

The coldest night of the year at Elma, 1942 to 1982. The record is -28.9 C (-20.0 F) in 1957, marked on the chart; the median year is -22.5 C (-8.5 F).

Coldest night (TNn) at Elma by year
Year	Coldest night (TNn)
1942	-26.7 C (-16.1 F)
1943	-26.7 C (-16.1 F)
1944	-23.9 C (-11.0 F)
1945	-28.3 C (-18.9 F)
1946	-20.6 C (-5.1 F)
1947	-16.1 C (3.0 F)
1948	-25.6 C (-14.1 F)
1949	-18.9 C (-2.0 F)
1950	-21.7 C (-7.1 F)
1951	-22.2 C (-8.0 F)
1952	-22.2 C (-8.0 F)
1953	-18.9 C (-2.0 F)
1954	-20.6 C (-5.1 F)
1955	-23.9 C (-11.0 F)
1956	-17.8 C (0.0 F)
1957	-28.9 C (-20.0 F)
1958	-22.8 C (-9.0 F)
1959	-24.4 C (-11.9 F)
1960	-25.6 C (-14.1 F)
1976	-16.7 C (1.9 F)
1977	n/a
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a

Wettest day (Rx1day)

The wettest day of the year at Elma, 1942 to 1982. The record is 78.5 mm (3.1 in) in 1979, marked on the chart; the median year is 44.9 mm (1.8 in).

Wettest day (Rx1day) at Elma by year
Year	Wettest day (Rx1day)
1942	57.2 mm (2.3 in)
1943	42.9 mm (1.7 in)
1944	41.7 mm (1.6 in)
1945	61.7 mm (2.4 in)
1946	43.7 mm (1.7 in)
1947	44.5 mm (1.8 in)
1948	68.8 mm (2.7 in)
1949	37.8 mm (1.5 in)
1950	45.2 mm (1.8 in)
1951	33.0 mm (1.3 in)
1952	50.3 mm (2.0 in)
1953	49.8 mm (2.0 in)
1954	59.7 mm (2.4 in)
1955	64.3 mm (2.5 in)
1956	39.9 mm (1.6 in)
1957	47.0 mm (1.9 in)
1958	44.5 mm (1.8 in)
1959	49.5 mm (1.9 in)
1960	26.7 mm (1.1 in)
1976	41.4 mm (1.6 in)
1977	60.2 mm (2.4 in)
1978	41.9 mm (1.6 in)
1979	78.5 mm (3.1 in)
1980	70.6 mm (2.8 in)
1981	43.7 mm (1.7 in)
1982	20.3 mm (0.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Elma, 1942 to 1982. The record is 136.2 mm (5.4 in) in 1979, marked on the chart; the median year is 84.2 mm (3.3 in).

Wettest five days (Rx5day) at Elma by year
Year	Wettest five days (Rx5day)
1942	83.6 mm (3.3 in)
1943	63.2 mm (2.5 in)
1944	86.9 mm (3.4 in)
1945	93.0 mm (3.7 in)
1946	75.7 mm (3.0 in)
1947	66.4 mm (2.6 in)
1948	86.9 mm (3.4 in)
1949	52.1 mm (2.1 in)
1950	77.7 mm (3.1 in)
1951	63.3 mm (2.5 in)
1952	90.0 mm (3.5 in)
1953	68.1 mm (2.7 in)
1954	76.3 mm (3.0 in)
1955	113.4 mm (4.5 in)
1956	84.8 mm (3.3 in)
1957	96.9 mm (3.8 in)
1958	85.9 mm (3.4 in)
1959	77.0 mm (3.0 in)
1960	45.5 mm (1.8 in)
1976	94.3 mm (3.7 in)
1977	103.2 mm (4.1 in)
1978	103.4 mm (4.1 in)
1979	136.2 mm (5.4 in)
1980	99.9 mm (3.9 in)
1981	54.1 mm (2.1 in)
1982	38.6 mm (1.5 in)

Longest dry spell (CDD)

The longest dry spell of the year at Elma, 1942 to 1982. The record is 23 days in 1957, marked on the chart; the median year is 15 days.

Longest dry spell (CDD) at Elma by year
Year	Longest dry spell (CDD)
1942	10 days
1943	16 days
1944	12 days
1945	11 days
1946	11 days
1947	15 days
1948	19 days
1949	21 days
1950	13 days
1951	15 days
1952	16 days
1953	15 days
1954	13 days
1955	17 days
1956	19 days
1957	23 days
1958	11 days
1959	16 days
1960	10 days
1976	15 days
1977	16 days
1978	17 days
1979	13 days
1980	14 days
1981	11 days
1982	8 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 Elma standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Elma 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 2026-10-15 (15 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).