Blackstone FAA AP Weather Records (USW00013726)

Record envelope, standing records and threshold days for Blackstone FAA AP (USW00013726), Virginia, United States, with 82 years of record.

Key Facts for Blackstone FAA AP

Blackstone FAA AP (USW00013726) is a weather station in Virginia, United States at 37.08 latitude and -77.95 longitude, 136 m (446 ft) above sea level.
The station reports from 1945 to 2026, 82 years of record.
1,464 records set at Blackstone FAA AP still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Virginia, United States, 37.08 latitude, -77.95 longitude.
Elevation: 136 m (446 ft).
Period of record: 1945 to 2026, 82 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

20 days at or beyond a record

The band shows the record high and record low for each calendar day at Blackstone FAA AP. The lines show the 2026 daily maximum and minimum. 20 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Blackstone FAA AP, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	26.1 C (79.0 F)	-18.3 C (-0.9 F)	20.9 C (69.6 F)	-10.7 C (12.7 F)
Feb	25.6 C (78.1 F)	-15.0 C (5.0 F)	24.2 C (75.6 F)	-8.2 C (17.2 F)
Mar	30.0 C (86.0 F)	-11.1 C (12.0 F)	27.1 C (80.8 F)	-6.6 C (20.1 F)
Apr	33.9 C (93.0 F)	-5.0 C (23.0 F)	30.8 C (87.4 F)	-1.4 C (29.5 F)
May	34.4 C (93.9 F)	0.6 C (33.1 F)	31.3 C (88.3 F)	7.1 C (44.8 F)
Jun	38.9 C (102.0 F)	5.6 C (42.1 F)	36.2 C (97.2 F)	8.7 C (47.7 F)
Jul	39.4 C (102.9 F)	10.6 C (51.1 F)	35.1 C (95.2 F)	18.6 C (65.5 F)
Aug	38.3 C (100.9 F)	8.3 C (46.9 F)	32.5 C (90.5 F)	14.8 C (58.6 F)
Sep	40.0 C (104.0 F)	2.8 C (37.0 F)	31.9 C (89.4 F)	11.6 C (52.9 F)
Oct	35.0 C (95.0 F)	-6.7 C (19.9 F)	25.7 C (78.3 F)	1.6 C (34.9 F)
Nov	30.0 C (86.0 F)	-10.0 C (14.0 F)	24.8 C (76.6 F)	-5.8 C (21.6 F)
Dec	25.6 C (78.1 F)	-16.7 C (1.9 F)	20.5 C (68.9 F)	-11.4 C (11.5 F)

Which Years Hold Standing Records

1,464 standing records

1,464 records at Blackstone FAA AP still stand. 1954 holds the most, with 88.

Standing records at Blackstone FAA AP by the year they were set
Year set	Standing records
1945	5
1948	26
1949	65
1950	75
1951	55
1952	66
1953	70
1954	88
1955	38
1956	62
1957	60
1958	50
1959	66
1960	58
1961	54
1962	51
1963	62
1964	52
1965	58
1966	57
1967	61
1968	45
1969	25
1970	61
1971	42
1972	37
2025	75

Wettest Day of Each Month

Jun: 127.5 mm (5.0 in)

The wettest day on record for each calendar month at Blackstone FAA AP. The most was 127.5 mm (5.0 in) on 22 June 1972.

Record daily precipitation for each month at Blackstone FAA AP
Month	Record daily precipitation (mm)	Date
Jan	70.1 mm (2.8 in)	6 January 1962
Feb	54.9 mm (2.2 in)	7 February 1965
Mar	48.8 mm (1.9 in)	12 March 1968
Apr	57.9 mm (2.3 in)	25 April 1952
May	79.8 mm (3.1 in)	27 May 1968
Jun	127.5 mm (5.0 in)	22 June 1972
Jul	97.0 mm (3.8 in)	18 July 1951
Aug	91.2 mm (3.6 in)	12 August 1955
Sep	98.0 mm (3.9 in)	30 September 1955
Oct	101.6 mm (4.0 in)	24 October 1971
Nov	80.5 mm (3.2 in)	24 November 1959
Dec	57.9 mm (2.3 in)	20 December 1957

Period of Record Coverage

1945 to 2025

27 years of record at Blackstone FAA AP, 1945 to 2025. 3 years have data for under 90 percent of days and are left out of rankings: 1945, 1948, 1972.

Days with data per year at Blackstone FAA AP
Year	Days with data	Share of year	Complete
1945	30	8%	No
1948	153	42%	No
1949	365	100%	Yes
1950	364	100%	Yes
1951	365	100%	Yes
1952	366	100%	Yes
1953	364	100%	Yes
1954	365	100%	Yes
1955	365	100%	Yes
1956	366	100%	Yes
1957	364	100%	Yes
1958	365	100%	Yes
1959	365	100%	Yes
1960	366	100%	Yes
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	366	100%	Yes
1965	365	100%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	364	100%	Yes
1970	365	100%	Yes
1971	362	99%	Yes
1972	213	58%	No
2025	342	94%	Yes

Latest Records

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

Climate Trend

23 complete years, 1949 to 1971

One stripe for each of 23 complete years at Blackstone FAA AP, 1949 to 1971. Blue stripes are years cooler than the station's own mean of 14.3 C (57.8 F); red stripes are warmer. The coolest year was 1958, at 13.3 C (55.9 F), and the warmest was 1949, at 15.5 C (59.9 F). The strongest colour marks a difference of 1.3 C (2.3 F).

Annual mean temperature at Blackstone FAA AP as warming stripes, 1949 to 1971
Year	Annual mean temperature	Difference from the station mean
1949	15.5 C	+1.20 C
1950	14.4 C	+0.10 C
1951	14.5 C	+0.18 C
1952	14.8 C	+0.49 C
1953	15.4 C	+1.07 C
1954	14.8 C	+0.49 C
1955	14.3 C	-0.04 C
1956	14.6 C	+0.31 C
1957	14.8 C	+0.48 C
1958	13.3 C	-1.05 C
1959	14.9 C	+0.59 C
1960	13.9 C	-0.45 C
1961	14.1 C	-0.21 C
1962	13.4 C	-0.91 C
1963	13.6 C	-0.70 C
1964	14.2 C	-0.08 C
1965	14.3 C	-0.01 C
1966	13.7 C	-0.67 C
1967	13.9 C	-0.45 C
1968	14.1 C	-0.24 C
1969	13.9 C	-0.47 C
1970	14.5 C	+0.19 C
1971	14.5 C	+0.13 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

1945 to 2026

Yearly extremes at Blackstone FAA AP: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	40.0 C (104.0 F)	1954	36.7 C (98.1 F)	28
Coldest night (TNn)	-18.3 C (-0.9 F)	1972	-13.3 C (8.1 F)	28
Wettest day (Rx1day)	127.5 mm (5.0 in)	1972	66.0 mm (2.6 in)	27
Wettest five days (Rx5day)	195.3 mm (7.7 in)	1972	95.3 mm (3.8 in)	27
Longest dry spell (CDD)	32 days	1964	20 days	27

Hottest day (TXx)

The hottest day of the year at Blackstone FAA AP, 1945 to 2026. The record is 40.0 C (104.0 F) in 1954, marked on the chart; the median year is 36.7 C (98.1 F).

Hottest day (TXx) at Blackstone FAA AP by year
Year	Hottest day (TXx)
1945	37.2 C (99.0 F)
1948	38.3 C (100.9 F)
1949	37.2 C (99.0 F)
1950	35.6 C (96.1 F)
1951	37.2 C (99.0 F)
1952	39.4 C (102.9 F)
1953	38.9 C (102.0 F)
1954	40.0 C (104.0 F)
1955	35.0 C (95.0 F)
1956	36.7 C (98.1 F)
1957	36.7 C (98.1 F)
1958	34.4 C (93.9 F)
1959	37.8 C (100.0 F)
1960	36.7 C (98.1 F)
1961	33.9 C (93.0 F)
1962	35.6 C (96.1 F)
1963	36.1 C (97.0 F)
1964	36.1 C (97.0 F)
1965	36.1 C (97.0 F)
1966	37.2 C (99.0 F)
1967	33.9 C (93.0 F)
1968	37.2 C (99.0 F)
1969	36.7 C (98.1 F)
1970	36.7 C (98.1 F)
1971	33.9 C (93.0 F)
1972	35.0 C (95.0 F)
2025	36.2 C (97.2 F)
2026	39.3 C (102.7 F)

Coldest night (TNn)

The coldest night of the year at Blackstone FAA AP, 1945 to 2026. The record is -18.3 C (-0.9 F) in 1972, marked on the chart; the median year is -13.3 C (8.1 F).

Coldest night (TNn) at Blackstone FAA AP by year
Year	Coldest night (TNn)
1945	12.2 C (54.0 F)
1948	-12.2 C (10.0 F)
1949	-7.8 C (18.0 F)
1950	-10.6 C (12.9 F)
1951	-13.3 C (8.1 F)
1952	-10.6 C (12.9 F)
1953	-11.7 C (10.9 F)
1954	-12.8 C (9.0 F)
1955	-12.2 C (10.0 F)
1956	-7.2 C (19.0 F)
1957	-13.3 C (8.1 F)
1958	-15.0 C (5.0 F)
1959	-14.4 C (6.1 F)
1960	-13.3 C (8.1 F)
1961	-16.1 C (3.0 F)
1962	-17.2 C (1.0 F)
1963	-14.4 C (6.1 F)
1964	-14.4 C (6.1 F)
1965	-13.3 C (8.1 F)
1966	-15.0 C (5.0 F)
1967	-13.9 C (7.0 F)
1968	-14.4 C (6.1 F)
1969	-12.8 C (9.0 F)
1970	-17.2 C (1.0 F)
1971	-12.8 C (9.0 F)
1972	-18.3 C (-0.9 F)
2025	-11.4 C (11.5 F)
2026	-11.7 C (10.9 F)

Wettest day (Rx1day)

The wettest day of the year at Blackstone FAA AP, 1945 to 2026. The record is 127.5 mm (5.0 in) in 1972, marked on the chart; the median year is 66.0 mm (2.6 in).

Wettest day (Rx1day) at Blackstone FAA AP by year
Year	Wettest day (Rx1day)
1945	53.6 mm (2.1 in)
1948	43.4 mm (1.7 in)
1949	66.8 mm (2.6 in)
1950	57.9 mm (2.3 in)
1951	97.0 mm (3.8 in)
1952	68.1 mm (2.7 in)
1953	38.1 mm (1.5 in)
1954	45.2 mm (1.8 in)
1955	98.0 mm (3.9 in)
1956	73.2 mm (2.9 in)
1957	77.5 mm (3.1 in)
1958	56.6 mm (2.2 in)
1959	85.6 mm (3.4 in)
1960	58.2 mm (2.3 in)
1961	65.5 mm (2.6 in)
1962	102.6 mm (4.0 in)
1963	66.0 mm (2.6 in)
1964	67.8 mm (2.7 in)
1965	61.2 mm (2.4 in)
1966	84.3 mm (3.3 in)
1967	46.7 mm (1.8 in)
1968	79.8 mm (3.1 in)
1969	64.8 mm (2.6 in)
1970	45.7 mm (1.8 in)
1971	101.6 mm (4.0 in)
1972	127.5 mm (5.0 in)
2025	n/a
2026	48.0 mm (1.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Blackstone FAA AP, 1945 to 2026. The record is 195.3 mm (7.7 in) in 1972, marked on the chart; the median year is 95.3 mm (3.8 in).

Wettest five days (Rx5day) at Blackstone FAA AP by year
Year	Wettest five days (Rx5day)
1945	137.4 mm (5.4 in)
1948	79.0 mm (3.1 in)
1949	109.9 mm (4.3 in)
1950	88.6 mm (3.5 in)
1951	112.3 mm (4.4 in)
1952	103.8 mm (4.1 in)
1953	80.3 mm (3.2 in)
1954	66.3 mm (2.6 in)
1955	150.6 mm (5.9 in)
1956	95.3 mm (3.8 in)
1957	89.7 mm (3.5 in)
1958	89.9 mm (3.5 in)
1959	136.7 mm (5.4 in)
1960	114.3 mm (4.5 in)
1961	112.3 mm (4.4 in)
1962	128.0 mm (5.0 in)
1963	83.5 mm (3.3 in)
1964	94.7 mm (3.7 in)
1965	81.3 mm (3.2 in)
1966	97.3 mm (3.8 in)
1967	76.9 mm (3.0 in)
1968	86.6 mm (3.4 in)
1969	133.9 mm (5.3 in)
1970	57.7 mm (2.3 in)
1971	184.7 mm (7.3 in)
1972	195.3 mm (7.7 in)
2025	n/a
2026	31.1 mm (1.2 in)

Longest dry spell (CDD)

The longest dry spell of the year at Blackstone FAA AP, 1945 to 2026. The record is 32 days in 1964, marked on the chart; the median year is 20 days.

Longest dry spell (CDD) at Blackstone FAA AP by year
Year	Longest dry spell (CDD)
1945	8 days
1948	10 days
1949	26 days
1950	17 days
1951	12 days
1952	23 days
1953	20 days
1954	29 days
1955	19 days
1956	22 days
1957	27 days
1958	19 days
1959	22 days
1960	15 days
1961	18 days
1962	17 days
1963	29 days
1964	32 days
1965	23 days
1966	24 days
1967	20 days
1968	26 days
1969	18 days
1970	21 days
1971	17 days
1972	15 days
2025	n/a
2026	4 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 Blackstone FAA AP falls on 10 April and the median first autumn frost on 31 October, which leaves a median of 204 days between them.

Frost dates and growing season at Blackstone FAA AP
Measure	Median, all years	Earliest period	Recent period (1949 to 1971)	Recent against earliest	Fitted trend
Last spring frost	10 April	n/a	10 April	n/a	n/a
First autumn frost	31 October	n/a	31 October	n/a	n/a
Growing days	204 days	n/a	204 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 Blackstone FAA AP standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Blackstone FAA AP 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).