Pryor Weather Records (USC00246747)

Record envelope, standing records and threshold days for Pryor (USC00246747), Montana, United States, with 71 years of record.

Key Facts for Pryor

Pryor (USC00246747) is a weather station in Montana, United States at 45.43 latitude and -108.54 longitude, 1,237 m (4,057 ft) above sea level.
The station reports from 1950 to 2020, 71 years of record.
1,464 records set at Pryor still stand.
Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
Pryor set a daily record snow depth of 15.2 cm (6.0 in) on 11 October 2019.

About the Station

Location: Montana, United States, 45.43 latitude, -108.54 longitude.
Elevation: 1,237 m (4,057 ft).
Period of record: 1950 to 2020, 71 years.
Eligible elements: prcp, snow, snwd.

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 Pryor. 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 Pryor, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	21.1 C (70.0 F)	-29.4 C (-20.9 F)	n/a	n/a
Feb	20.0 C (68.0 F)	-29.4 C (-20.9 F)	n/a	n/a
Mar	25.0 C (77.0 F)	-32.8 C (-27.0 F)	n/a	n/a
Apr	27.8 C (82.0 F)	-20.0 C (-4.0 F)	n/a	n/a
May	29.4 C (84.9 F)	-2.8 C (27.0 F)	n/a	n/a
Jun	35.6 C (96.1 F)	-1.1 C (30.0 F)	n/a	n/a
Jul	37.2 C (99.0 F)	2.8 C (37.0 F)	n/a	n/a
Aug	37.2 C (99.0 F)	0.0 C (32.0 F)	n/a	n/a
Sep	36.7 C (98.1 F)	-6.7 C (19.9 F)	n/a	n/a
Oct	29.4 C (84.9 F)	-12.2 C (10.0 F)	n/a	n/a
Nov	22.2 C (72.0 F)	-26.7 C (-16.1 F)	n/a	n/a
Dec	18.9 C (66.0 F)	-30.6 C (-23.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Pryor still stand. 2016 holds the most, with 298.

All-Time Record Progression

1 new records

1 all-time records were set at Pryor between 27 May 1987 and 27 May 1987. Each dot is a new record.

Wettest Day of Each Month

May: 92.7 mm (3.6 in)

The wettest day on record for each calendar month at Pryor. The most was 92.7 mm (3.6 in) on 27 May 1987.

Record daily precipitation for each month at Pryor
Month	Record daily precipitation (mm)	Date
Jan	24.1 mm (0.9 in)	6 January 1969
Feb	33.0 mm (1.3 in)	28 February 2002
Mar	38.6 mm (1.5 in)	22 March 2011
Apr	76.7 mm (3.0 in)	23 April 1957
May	92.7 mm (3.6 in)	27 May 1987
Jun	78.0 mm (3.1 in)	25 June 1969
Jul	48.0 mm (1.9 in)	11 July 1987
Aug	46.5 mm (1.8 in)	20 August 1964
Sep	81.3 mm (3.2 in)	12 September 1978
Oct	90.7 mm (3.6 in)	31 October 1974
Nov	27.9 mm (1.1 in)	1 November 1957
Dec	27.9 mm (1.1 in)	4 December 2002

Period of Record Coverage

2014 to 2019

6 years of record at Pryor, 2014 to 2019. 2 years have data for under 90 percent of days and are left out of rankings: 2014, 2019.

Latest Records

Latest records at Pryor
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 October 2019	Pryor, US	daily snow depth	15.2 cm (6.0 in)	12.7 cm (5.0 in)	2 years	26 of 100 (Routine)
10 October 2019	Pryor, US	daily snow depth	20.3 cm (8.0 in)	17.8 cm (7.0 in)	41 years	46 of 100 (Notable)
10 October 2019	Pryor, US	daily snowfall	15.2 cm (6.0 in)	7.6 cm (3.0 in)	41 years	29 of 100 (Routine)
21 September 2019	Pryor, US	daily rain	14.2 mm (0.6 in)	1.2 mm (0.05 in)	57 years	20 of 100 (Routine)
11 August 2019	Pryor, US	daily rain	5.1 mm (0.20 in)	1.8 mm (0.07 in)	68 years	20 of 100 (Routine)
20 June 2019	Pryor, US	daily rain	13.0 mm (0.5 in)	2.8 mm (0.11 in)	60 years	20 of 100 (Routine)
15 March 2019	Pryor, US	daily snow depth (Tie)	15.2 cm (6.0 in)	tie	64 years	6 of 100 (Routine)
13 March 2019	Pryor, US	daily snow depth	17.8 cm (7.0 in)	2.6 cm (1.0 in)	62 years	28 of 100 (Routine)
12 March 2019	Pryor, US	daily snow depth	20.3 cm (8.0 in)	2.5 cm (1.0 in)	20 years	16 of 100 (Routine)
11 March 2019	Pryor, US	daily snow depth (Tie)	20.3 cm (8.0 in)	tie	20 years	3 of 100 (Routine)
10 March 2019	Pryor, US	daily snow depth	22.9 cm (9.0 in)	2.6 cm (1.0 in)	20 years	16 of 100 (Routine)
9 March 2019	Pryor, US	daily snow depth (Tie)	25.4 cm (10.0 in)	tie	48 years	5 of 100 (Routine)
5 March 2019	Pryor, US	daily snow depth	38.1 cm (15.0 in)	2.5 cm (1.0 in)	40 years	22 of 100 (Routine)
4 March 2019	Pryor, US	daily snow depth	40.6 cm (16.0 in)	5.0 cm (2.0 in)	40 years	25 of 100 (Routine)
3 March 2019	Pryor, US	daily snow depth (Tie)	40.6 cm (16.0 in)	tie	40 years	4 of 100 (Routine)
1 March 2019	Pryor, US	daily rain	8.6 mm (0.34 in)	2.2 mm (0.09 in)	33 years	20 of 100 (Routine)
24 January 2019	Pryor, US	daily rain	8.6 mm (0.34 in)	2.0 mm (0.08 in)	64 years	20 of 100 (Routine)
31 December 2018	Pryor, US	daily snowfall	22.4 cm (8.8 in)	12.2 cm (4.8 in)	1 year	31 of 100 (Routine)
31 December 2018	Pryor, US	daily rain	7.9 mm (0.31 in)	2.3 mm (0.09 in)	1 year	12 of 100 (Routine)
14 October 2018	Pryor, US	daily snow depth	10.2 cm (4.0 in)	7.7 cm (3.0 in)	4 years	18 of 100 (Routine)

Extremes by Year

1950 to 2020

Yearly extremes at Pryor: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	37.2 C (99.0 F)	2018	36.1 C (97.0 F)	6
Coldest night (TNn)	-32.8 C (-27.0 F)	2019	-28.3 C (-18.9 F)	6
Wettest day (Rx1day)	92.7 mm (3.6 in)	1987	32.3 mm (1.3 in)	71
Wettest five days (Rx5day)	147.0 mm (5.8 in)	1978	53.3 mm (2.1 in)	71
Longest dry spell (CDD)	65 days	1996	32 days	71

Hottest day (TXx)

The hottest day of the year at Pryor, 1950 to 2020. The record is 37.2 C (99.0 F) in 2018, marked on the chart; the median year is 36.1 C (97.0 F).

Hottest day (TXx) at Pryor by year
Year	Hottest day (TXx)
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	n/a
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1983	n/a
1984	n/a
1985	n/a
1986	n/a
1987	n/a
1988	n/a
1989	n/a
1990	n/a
1991	n/a
1992	n/a
1993	n/a
1994	n/a
1995	n/a
1996	n/a
1997	n/a
1998	n/a
1999	n/a
2000	n/a
2001	n/a
2002	n/a
2003	n/a
2004	n/a
2005	n/a
2006	n/a
2007	n/a
2008	n/a
2009	n/a
2010	n/a
2011	n/a
2012	n/a
2013	n/a
2014	35.0 C (95.0 F)
2015	35.6 C (96.1 F)
2016	36.7 C (98.1 F)
2017	36.1 C (97.0 F)
2018	37.2 C (99.0 F)
2019	36.1 C (97.0 F)
2020	n/a

Coldest night (TNn)

The coldest night of the year at Pryor, 1950 to 2020. The record is -32.8 C (-27.0 F) in 2019, marked on the chart; the median year is -28.3 C (-18.9 F).

Coldest night (TNn) at Pryor by year
Year	Coldest night (TNn)
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	n/a
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1983	n/a
1984	n/a
1985	n/a
1986	n/a
1987	n/a
1988	n/a
1989	n/a
1990	n/a
1991	n/a
1992	n/a
1993	n/a
1994	n/a
1995	n/a
1996	n/a
1997	n/a
1998	n/a
1999	n/a
2000	n/a
2001	n/a
2002	n/a
2003	n/a
2004	n/a
2005	n/a
2006	n/a
2007	n/a
2008	n/a
2009	n/a
2010	n/a
2011	n/a
2012	n/a
2013	n/a
2014	-26.7 C (-16.1 F)
2015	-23.9 C (-11.0 F)
2016	-30.6 C (-23.1 F)
2017	-27.2 C (-17.0 F)
2018	-29.4 C (-20.9 F)
2019	-32.8 C (-27.0 F)
2020	n/a

Wettest day (Rx1day)

The wettest day of the year at Pryor, 1950 to 2020. The record is 92.7 mm (3.6 in) in 1987, marked on the chart; the median year is 32.3 mm (1.3 in).

Wettest day (Rx1day) at Pryor by year
Year	Wettest day (Rx1day)
1950	18.3 mm (0.7 in)
1951	19.6 mm (0.8 in)
1952	30.5 mm (1.2 in)
1953	43.9 mm (1.7 in)
1954	23.1 mm (0.9 in)
1955	50.8 mm (2.0 in)
1956	24.1 mm (0.9 in)
1957	76.7 mm (3.0 in)
1958	21.8 mm (0.9 in)
1959	19.8 mm (0.8 in)
1960	32.3 mm (1.3 in)
1961	27.7 mm (1.1 in)
1962	51.6 mm (2.0 in)
1963	55.1 mm (2.2 in)
1964	62.0 mm (2.4 in)
1965	25.9 mm (1.0 in)
1966	31.5 mm (1.2 in)
1967	29.7 mm (1.2 in)
1968	63.5 mm (2.5 in)
1969	78.0 mm (3.1 in)
1970	36.3 mm (1.4 in)
1971	38.1 mm (1.5 in)
1972	22.1 mm (0.9 in)
1973	48.3 mm (1.9 in)
1974	90.7 mm (3.6 in)
1975	22.1 mm (0.9 in)
1976	55.9 mm (2.2 in)
1977	40.6 mm (1.6 in)
1978	87.6 mm (3.4 in)
1979	21.3 mm (0.8 in)
1980	29.0 mm (1.1 in)
1981	44.5 mm (1.8 in)
1982	37.1 mm (1.5 in)
1983	39.6 mm (1.6 in)
1984	30.5 mm (1.2 in)
1985	22.1 mm (0.9 in)
1986	21.6 mm (0.9 in)
1987	92.7 mm (3.6 in)
1988	82.8 mm (3.3 in)
1989	23.1 mm (0.9 in)
1990	22.9 mm (0.9 in)
1991	49.3 mm (1.9 in)
1992	53.8 mm (2.1 in)
1993	39.9 mm (1.6 in)
1994	48.0 mm (1.9 in)
1995	29.7 mm (1.2 in)
1996	37.6 mm (1.5 in)
1997	30.0 mm (1.2 in)
1998	36.6 mm (1.4 in)
1999	25.9 mm (1.0 in)
2000	35.6 mm (1.4 in)
2001	25.4 mm (1.0 in)
2002	33.0 mm (1.3 in)
2003	19.1 mm (0.8 in)
2004	25.1 mm (1.0 in)
2005	50.8 mm (2.0 in)
2006	43.2 mm (1.7 in)
2007	38.1 mm (1.5 in)
2008	33.8 mm (1.3 in)
2009	19.8 mm (0.8 in)
2010	30.5 mm (1.2 in)
2011	38.6 mm (1.5 in)
2012	28.7 mm (1.1 in)
2013	34.5 mm (1.4 in)
2014	27.9 mm (1.1 in)
2015	24.6 mm (1.0 in)
2016	54.9 mm (2.2 in)
2017	27.9 mm (1.1 in)
2018	26.7 mm (1.1 in)
2019	22.9 mm (0.9 in)
2020	0.0 mm (0.00 in)

Wettest five days (Rx5day)

The wettest five days of the year at Pryor, 1950 to 2020. The record is 147.0 mm (5.8 in) in 1978, marked on the chart; the median year is 53.3 mm (2.1 in).

Wettest five days (Rx5day) at Pryor by year
Year	Wettest five days (Rx5day)
1950	21.6 mm (0.9 in)
1951	41.4 mm (1.6 in)
1952	69.9 mm (2.8 in)
1953	46.9 mm (1.8 in)
1954	41.9 mm (1.6 in)
1955	109.3 mm (4.3 in)
1956	31.7 mm (1.2 in)
1957	90.2 mm (3.6 in)
1958	33.8 mm (1.3 in)
1959	38.8 mm (1.5 in)
1960	33.3 mm (1.3 in)
1961	60.4 mm (2.4 in)
1962	74.6 mm (2.9 in)
1963	78.5 mm (3.1 in)
1964	117.9 mm (4.6 in)
1965	48.7 mm (1.9 in)
1966	37.5 mm (1.5 in)
1967	71.5 mm (2.8 in)
1968	89.1 mm (3.5 in)
1969	103.4 mm (4.1 in)
1970	45.9 mm (1.8 in)
1971	63.4 mm (2.5 in)
1972	45.5 mm (1.8 in)
1973	80.2 mm (3.2 in)
1974	105.9 mm (4.2 in)
1975	73.1 mm (2.9 in)
1976	83.8 mm (3.3 in)
1977	64.3 mm (2.5 in)
1978	147.0 mm (5.8 in)
1979	36.3 mm (1.4 in)
1980	43.7 mm (1.7 in)
1981	84.3 mm (3.3 in)
1982	65.3 mm (2.6 in)
1983	58.7 mm (2.3 in)
1984	59.4 mm (2.3 in)
1985	42.4 mm (1.7 in)
1986	42.2 mm (1.7 in)
1987	113.5 mm (4.5 in)
1988	89.9 mm (3.5 in)
1989	34.3 mm (1.4 in)
1990	37.1 mm (1.5 in)
1991	55.2 mm (2.2 in)
1992	108.0 mm (4.3 in)
1993	59.0 mm (2.3 in)
1994	75.2 mm (3.0 in)
1995	75.9 mm (3.0 in)
1996	69.9 mm (2.8 in)
1997	32.7 mm (1.3 in)
1998	47.3 mm (1.9 in)
1999	34.0 mm (1.3 in)
2000	38.1 mm (1.5 in)
2001	53.3 mm (2.1 in)
2002	35.6 mm (1.4 in)
2003	34.9 mm (1.4 in)
2004	41.2 mm (1.6 in)
2005	87.6 mm (3.4 in)
2006	64.8 mm (2.6 in)
2007	43.2 mm (1.7 in)
2008	91.9 mm (3.6 in)
2009	34.8 mm (1.4 in)
2010	45.3 mm (1.8 in)
2011	38.6 mm (1.5 in)
2012	54.5 mm (2.1 in)
2013	70.8 mm (2.8 in)
2014	40.1 mm (1.6 in)
2015	37.0 mm (1.5 in)
2016	73.2 mm (2.9 in)
2017	53.0 mm (2.1 in)
2018	49.5 mm (1.9 in)
2019	39.2 mm (1.5 in)
2020	0.0 mm (0.00 in)

Longest dry spell (CDD)

The longest dry spell of the year at Pryor, 1950 to 2020. The record is 65 days in 1996, marked on the chart; the median year is 32 days.

Longest dry spell (CDD) at Pryor by year
Year	Longest dry spell (CDD)
1950	29 days
1951	32 days
1952	32 days
1953	32 days
1954	42 days
1955	34 days
1956	27 days
1957	45 days
1958	30 days
1959	38 days
1960	39 days
1961	26 days
1962	35 days
1963	33 days
1964	49 days
1965	26 days
1966	30 days
1967	27 days
1968	23 days
1969	39 days
1970	32 days
1971	61 days
1972	24 days
1973	40 days
1974	24 days
1975	31 days
1976	34 days
1977	24 days
1978	29 days
1979	26 days
1980	23 days
1981	36 days
1982	29 days
1983	43 days
1984	29 days
1985	34 days
1986	23 days
1987	34 days
1988	34 days
1989	15 days
1990	25 days
1991	29 days
1992	31 days
1993	22 days
1994	35 days
1995	32 days
1996	65 days
1997	29 days
1998	25 days
1999	26 days
2000	55 days
2001	36 days
2002	47 days
2003	47 days
2004	28 days
2005	29 days
2006	41 days
2007	39 days
2008	61 days
2009	54 days
2010	49 days
2011	33 days
2012	47 days
2013	26 days
2014	18 days
2015	26 days
2016	53 days
2017	29 days
2018	24 days
2019	26 days
2020	30 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.

Rainfall Return Levels

55 years, 1951 to 2018

A day with at least 35.5 mm (1.4 in) of rain is expected about once in 2 years. A day with at least 120.2 mm (4.7 in) of rain is expected about once in 100 years.

Rainfall return levels at Pryor: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	35.5 mm (1.4 in)
5 years	52.5 mm (2.1 in)
10 years	65.7 mm (2.6 in)
25 years	85.1 mm (3.4 in)
50 years	101.6 mm (4.0 in)
100 years	120.2 mm (4.7 in)	Longer than the 55 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 55 years of values from 1951 to 2018.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 92.7 mm (3.6 in) in 1987; 90.7 mm (3.6 in) in 1974; 87.6 mm (3.4 in) in 1978.

Download the Data

Data for Pryor standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Pryor 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 2026-10-13 (13 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).

Year	Days with data	Share of year	Complete
2014	164	45%	No
2015	364	100%	Yes
2016	366	100%	Yes
2017	365	100%	Yes
2018	365	100%	Yes
2019	287	79%	No