Hill City 1E Weather Records (USC00143665)

Record envelope, standing records and threshold days for Hill City 1E (USC00143665), Kansas, United States, with 56 years of record.

Key Facts for Hill City 1E

Hill City 1E (USC00143665) is a weather station in Kansas, United States at 39.36 latitude and -99.83 longitude, 650 m (2,132 ft) above sea level.
The station reports from 1971 to 2026, 56 years of record.
1,464 records set at Hill City 1E still stand.
Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
Hill City 1E set a daily record precipitation of 50.8 mm (2.0 in) on 1 October 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

Location: Kansas, United States, 39.36 latitude, -99.83 longitude.
Elevation: 650 m (2,132 ft).
Period of record: 1971 to 2026, 56 years.
Eligible elements: tmax, tmin, prcp, snow, snwd.

Daily Record Envelope and 2026

21 days at or beyond a record

The band shows the record high and record low for each calendar day at Hill City 1E. The lines show the 2026 daily maximum and minimum. 21 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Hill City 1E, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	27.8 C (82.0 F)	-27.2 C (-17.0 F)	21.1 C (70.0 F)	-27.2 C (-17.0 F)
Feb	27.8 C (82.0 F)	-29.4 C (-20.9 F)	26.1 C (79.0 F)	-12.2 C (10.0 F)
Mar	36.1 C (97.0 F)	-23.3 C (-9.9 F)	36.1 C (97.0 F)	-12.8 C (9.0 F)
Apr	38.3 C (100.9 F)	-14.4 C (6.1 F)	32.2 C (90.0 F)	-5.0 C (23.0 F)
May	38.9 C (102.0 F)	-3.9 C (25.0 F)	34.4 C (93.9 F)	0.0 C (32.0 F)
Jun	45.6 C (114.1 F)	1.1 C (34.0 F)	38.3 C (100.9 F)	8.9 C (48.0 F)
Jul	43.3 C (109.9 F)	6.7 C (44.1 F)	43.3 C (109.9 F)	15.0 C (59.0 F)
Aug	42.8 C (109.0 F)	5.0 C (41.0 F)	42.8 C (109.0 F)	13.3 C (55.9 F)
Sep	40.6 C (105.1 F)	-6.1 C (21.0 F)	38.3 C (100.9 F)	14.4 C (57.9 F)
Oct	36.7 C (98.1 F)	-17.2 C (1.0 F)	20.0 C (68.0 F)	6.1 C (43.0 F)
Nov	31.1 C (88.0 F)	-21.1 C (-6.0 F)	n/a	n/a
Dec	26.1 C (79.0 F)	-32.2 C (-26.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Hill City 1E still stand. 1989 holds the most, with 68.

Standing records at Hill City 1E by the year they were set
Year set	Standing records
1983	26
1984	36
1985	60
1986	32
1987	31
1988	39
1989	68
1990	45
1991	29
1992	21
1993	21
1994	3
1995	39
1996	28
1997	35
1998	41
1999	28
2000	43
2001	31
2002	42
2003	32
2004	49
2005	43
2006	32
2007	29
2008	13
2009	43
2010	15
2011	27
2012	45
2013	49
2014	37
2015	35
2016	15
2017	32
2018	31
2019	28
2020	36
2021	31
2022	30
2023	25
2024	20
2025	38
2026	31

All-Time Record Progression

4 new records

4 all-time records were set at Hill City 1E between 4 September 2016 and 15 July 2022. Each dot is a new record.

When Hill City 1E set new all-time records
Date	Kind	Detail
2016-09-04	Record daily precipitation	Record daily precipitation 119.1 mm (4.7 in)
2017-10-03	Record daily precipitation	Record daily precipitation 127.8 mm (5.0 in)
2018-05-29	Record daily precipitation	Record daily precipitation 168.9 mm (6.6 in)
2022-07-15	Record high minimum temperature	Record high minimum temperature 26.1 C (79.0 F)

Wettest Day of Each Month

May: 168.9 mm (6.6 in)

The wettest day on record for each calendar month at Hill City 1E. The most was 168.9 mm (6.6 in) on 29 May 2018.

Record daily precipitation for each month at Hill City 1E
Month	Record daily precipitation (mm)	Date
Jan	26.4 mm (1.0 in)	16 January 2017
Feb	31.2 mm (1.2 in)	3 February 2024
Mar	85.1 mm (3.4 in)	14 March 2021
Apr	94.5 mm (3.7 in)	17 April 2016
May	168.9 mm (6.6 in)	29 May 2018
Jun	54.9 mm (2.2 in)	10 June 2005
Jul	138.4 mm (5.4 in)	1 July 2018
Aug	99.6 mm (3.9 in)	25 August 1989
Sep	119.1 mm (4.7 in)	4 September 2016
Oct	127.8 mm (5.0 in)	3 October 2017
Nov	48.3 mm (1.9 in)	16 November 1996
Dec	65.8 mm (2.6 in)	30 December 2006

Period of Record Coverage

1983 to 2026

44 years of record at Hill City 1E, 1983 to 2026. 7 years have data for under 90 percent of days and are left out of rankings: 1983, 1991, 1992, 1993, 1994, 2024, 2026.

Days with data per year at Hill City 1E
Year	Days with data	Share of year	Complete
1983	120	33%	No
1984	365	100%	Yes
1985	362	99%	Yes
1986	363	99%	Yes
1987	358	98%	Yes
1988	366	100%	Yes
1989	363	99%	Yes
1990	359	98%	Yes
1991	271	74%	No
1992	274	75%	No
1993	235	64%	No
1994	66	18%	No
1995	364	100%	Yes
1996	361	99%	Yes
1997	364	100%	Yes
1998	364	100%	Yes
1999	365	100%	Yes
2000	361	99%	Yes
2001	365	100%	Yes
2002	361	99%	Yes
2003	332	91%	Yes
2004	365	100%	Yes
2005	363	99%	Yes
2006	360	99%	Yes
2007	364	100%	Yes
2008	365	100%	Yes
2009	364	100%	Yes
2010	362	99%	Yes
2011	331	91%	Yes
2012	364	99%	Yes
2013	333	91%	Yes
2014	333	91%	Yes
2015	336	92%	Yes
2016	360	98%	Yes
2017	339	93%	Yes
2018	364	100%	Yes
2019	362	99%	Yes
2020	365	100%	Yes
2021	362	99%	Yes
2022	364	100%	Yes
2023	365	100%	Yes
2024	325	89%	No
2025	335	92%	Yes
2026	253	69%	No

Latest Records

Latest records at Hill City 1E
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 October 2026	Hill City 1E, US	daily rain (Provisional)	50.8 mm (2.0 in)	36.8 mm (1.4 in)	44 years	49 of 100 (Notable)
29 September 2026	Hill City 1E, US	daily high min (Provisional)	18.3 C (64.9 F)	1.6 C (2.9 F)	43 years	19 of 100 (Routine)
26 September 2026	Hill City 1E, US	daily high min (Tie, Provisional)	16.1 C (61.0 F)	tie	11 years	1 of 100 (Routine)
24 September 2026	Hill City 1E, US	daily rain (Provisional)	19.1 mm (0.8 in)	11.5 mm (0.5 in)	45 years	20 of 100 (Routine)
9 September 2026	Hill City 1E, US	daily high min (Provisional)	21.1 C (70.0 F)	0.5 C (0.9 F)	12 years	7 of 100 (Routine)
7 September 2026	Hill City 1E, US	daily high min (Provisional)	21.1 C (70.0 F)	1.7 C (3.1 F)	36 years	17 of 100 (Routine)
13 August 2026	Hill City 1E, US	daily high max (Tie)	40.0 C (104.0 F)	tie	16 years	2 of 100 (Routine)
12 August 2026	Hill City 1E, US	daily high max	41.1 C (106.0 F)	3.3 C (5.9 F)	31 years	20 of 100 (Routine)
12 August 2026	Hill City 1E, US	daily high min	22.2 C (72.0 F)	0.5 C (0.9 F)	25 years	12 of 100 (Routine)
11 August 2026	Hill City 1E, US	daily high max	39.4 C (102.9 F)	2.7 C (4.9 F)	31 years	19 of 100 (Routine)
11 August 2026	Hill City 1E, US	daily high min	23.9 C (75.0 F)	2.8 C (5.0 F)	20 years	18 of 100 (Routine)
10 August 2026	Hill City 1E, US	monthly high max	42.8 C (109.0 F)	0.6 C (1.1 F)	23 years	21 of 100 (Routine)
29 July 2026	Hill City 1E, US	daily high min	23.9 C (75.0 F)	1.1 C (2.0 F)	4 years	8 of 100 (Routine)
28 July 2026	Hill City 1E, US	daily high min	23.9 C (75.0 F)	1.7 C (3.1 F)	3 years	9 of 100 (Routine)
28 July 2026	Hill City 1E, US	monthly high max (Tie)	43.3 C (109.9 F)	tie	41 years	6 of 100 (Routine)
27 July 2026	Hill City 1E, US	daily high min (Tie)	23.3 C (73.9 F)	tie	27 years	3 of 100 (Routine)
10 July 2026	Hill City 1E, US	daily rain	29.7 mm (1.2 in)	9.4 mm (0.37 in)	28 years	19 of 100 (Routine)
4 July 2026	Hill City 1E, US	daily rain	20.3 mm (0.8 in)	1.8 mm (0.07 in)	1 year	6 of 100 (Routine)
26 June 2026	Hill City 1E, US	daily low max	21.1 C (70.0 F)	1.1 C (2.0 F)	8 years	8 of 100 (Routine)
24 June 2026	Hill City 1E, US	daily low max	22.8 C (73.0 F)	2.2 C (4.0 F)	7 years	10 of 100 (Routine)

Climate Trend

30 complete years, 1984 to 2023

One stripe for each of 30 complete years at Hill City 1E, 1984 to 2023. Blue stripes are years cooler than the station's own mean of 11.6 C (52.9 F); red stripes are warmer. The coolest year was 1985, at 10.2 C (50.4 F), and the warmest was 2012, at 13.0 C (55.5 F). The strongest colour marks a difference of 1.5 C (2.7 F).

Annual mean temperature at Hill City 1E as warming stripes, 1984 to 2023
Year	Annual mean temperature	Difference from the station mean
1984	11.0 C	-0.60 C
1985	10.2 C	-1.39 C
1986	13.0 C	+1.35 C
1987	12.1 C	+0.48 C
1988	11.8 C	+0.22 C
1989	10.9 C	-0.69 C
1990	12.2 C	+0.62 C
1995	11.0 C	-0.60 C
1996	10.8 C	-0.82 C
1997	11.2 C	-0.37 C
1998	12.3 C	+0.72 C
1999	12.0 C	+0.44 C
2000	12.0 C	+0.42 C
2001	12.1 C	+0.48 C
2002	11.8 C	+0.24 C
2004	11.6 C	0.00 C
2005	12.1 C	+0.50 C
2006	12.4 C	+0.77 C
2007	11.6 C	+0.04 C
2008	10.5 C	-1.06 C
2009	10.5 C	-1.14 C
2010	11.5 C	-0.08 C
2012	13.0 C	+1.43 C
2016	12.5 C	+0.92 C
2018	10.8 C	-0.81 C
2019	10.3 C	-1.31 C
2020	11.7 C	+0.10 C
2021	11.9 C	+0.31 C
2022	11.4 C	-0.20 C
2023	11.7 C	+0.07 C

The fitted trend in annual mean temperature here over 1984 to 2023 is -0.01 C (-0.25 to 0.23) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: -0.01 F (-0.45 to 0.42) per decade. The slope is a straight line fitted to 30 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Hill City 1E
Measure	Per decade (C)	Per decade (F)	Period	Complete years	Reading
Annual mean temperature	-0.01 C (-0.25 to 0.23) per decade	-0.01 F (-0.45 to 0.42) per decade	1984 to 2023	30	Not clearly different from zero
Mean daily maximum	-0.1 C (-0.4 to 0.2) per decade	-0.2 F (-0.7 to 0.4) per decade	1984 to 2023	30	Not clearly different from zero
Mean daily minimum	0.1 C (-0.1 to 0.3) per decade	0.1 F (-0.3 to 0.5) per decade	1984 to 2023	30	Not clearly different from zero

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

1971 to 2026

Yearly extremes at Hill City 1E: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	45.6 C (114.1 F)	2012	41.1 C (106.0 F)	44
Coldest night (TNn)	-32.2 C (-26.0 F)	1989	-22.7 C (-9.0 F)	44
Wettest day (Rx1day)	168.9 mm (6.6 in)	2018	50.8 mm (2.0 in)	52
Wettest five days (Rx5day)	188.0 mm (7.4 in)	2018	73.4 mm (2.9 in)	52
Longest dry spell (CDD)	65 days	2022	37 days	52

Hottest day (TXx)

The hottest day of the year at Hill City 1E, 1971 to 2026. The record is 45.6 C (114.1 F) in 2012, marked on the chart; the median year is 41.1 C (106.0 F).

Hottest day (TXx) at Hill City 1E by year
Year	Hottest day (TXx)
1971	n/a
1972	n/a
1977	n/a
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1983	38.3 C (100.9 F)
1984	40.0 C (104.0 F)
1985	43.3 C (109.9 F)
1986	41.1 C (106.0 F)
1987	40.0 C (104.0 F)
1988	42.2 C (108.0 F)
1989	39.4 C (102.9 F)
1990	41.1 C (106.0 F)
1991	42.2 C (108.0 F)
1992	35.6 C (96.1 F)
1993	41.1 C (106.0 F)
1994	21.1 C (70.0 F)
1995	42.8 C (109.0 F)
1996	38.9 C (102.0 F)
1997	41.1 C (106.0 F)
1998	42.8 C (109.0 F)
1999	39.4 C (102.9 F)
2000	41.1 C (106.0 F)
2001	42.8 C (109.0 F)
2002	43.3 C (109.9 F)
2003	43.3 C (109.9 F)
2004	39.4 C (102.9 F)
2005	43.3 C (109.9 F)
2006	43.3 C (109.9 F)
2007	39.4 C (102.9 F)
2008	39.4 C (102.9 F)
2009	39.4 C (102.9 F)
2010	41.7 C (107.1 F)
2011	41.1 C (106.0 F)
2012	45.6 C (114.1 F)
2013	42.2 C (108.0 F)
2014	38.3 C (100.9 F)
2015	39.4 C (102.9 F)
2016	39.4 C (102.9 F)
2017	41.7 C (107.1 F)
2018	38.3 C (100.9 F)
2019	40.6 C (105.1 F)
2020	37.8 C (100.0 F)
2021	41.7 C (107.1 F)
2022	42.8 C (109.0 F)
2023	41.1 C (106.0 F)
2024	42.8 C (109.0 F)
2025	39.4 C (102.9 F)
2026	43.3 C (109.9 F)

Coldest night (TNn)

The coldest night of the year at Hill City 1E, 1971 to 2026. The record is -32.2 C (-26.0 F) in 1989, marked on the chart; the median year is -22.7 C (-9.0 F).

Coldest night (TNn) at Hill City 1E by year
Year	Coldest night (TNn)
1971	n/a
1972	n/a
1977	n/a
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	n/a
1983	-29.4 C (-20.9 F)
1984	-26.1 C (-15.0 F)
1985	-27.2 C (-17.0 F)
1986	-21.1 C (-6.0 F)
1987	-18.3 C (-0.9 F)
1988	-25.6 C (-14.1 F)
1989	-32.2 C (-26.0 F)
1990	-26.1 C (-15.0 F)
1991	-20.0 C (-4.0 F)
1992	-16.7 C (1.9 F)
1993	-19.4 C (-2.9 F)
1994	-23.3 C (-9.9 F)
1995	-21.7 C (-7.1 F)
1996	-21.7 C (-7.1 F)
1997	-21.7 C (-7.1 F)
1998	-26.1 C (-15.0 F)
1999	-17.8 C (0.0 F)
2000	-17.2 C (1.0 F)
2001	-24.4 C (-11.9 F)
2002	-21.7 C (-7.1 F)
2003	-21.1 C (-6.0 F)
2004	-25.6 C (-14.1 F)
2005	-23.3 C (-9.9 F)
2006	-17.8 C (0.0 F)
2007	-20.6 C (-5.1 F)
2008	-20.0 C (-4.0 F)
2009	-22.2 C (-8.0 F)
2010	-23.9 C (-11.0 F)
2011	-25.0 C (-13.0 F)
2012	-18.9 C (-2.0 F)
2013	-20.6 C (-5.1 F)
2014	-23.3 C (-9.9 F)
2015	-23.3 C (-9.9 F)
2016	-27.2 C (-17.0 F)
2017	-21.7 C (-7.1 F)
2018	-20.0 C (-4.0 F)
2019	-23.3 C (-9.9 F)
2020	-15.0 C (5.0 F)
2021	-29.4 C (-20.9 F)
2022	-26.7 C (-16.1 F)
2023	-20.6 C (-5.1 F)
2024	-27.2 C (-17.0 F)
2025	-27.8 C (-18.0 F)
2026	-27.2 C (-17.0 F)

Wettest day (Rx1day)

The wettest day of the year at Hill City 1E, 1971 to 2026. The record is 168.9 mm (6.6 in) in 2018, marked on the chart; the median year is 50.8 mm (2.0 in).

Wettest day (Rx1day) at Hill City 1E by year
Year	Wettest day (Rx1day)
1971	61.7 mm (2.4 in)
1972	33.0 mm (1.3 in)
1977	7.1 mm (0.28 in)
1978	72.9 mm (2.9 in)
1979	45.7 mm (1.8 in)
1980	55.9 mm (2.2 in)
1981	57.2 mm (2.3 in)
1982	49.3 mm (1.9 in)
1983	39.6 mm (1.6 in)
1984	45.0 mm (1.8 in)
1985	45.0 mm (1.8 in)
1986	80.5 mm (3.2 in)
1987	52.1 mm (2.1 in)
1988	29.7 mm (1.2 in)
1989	99.6 mm (3.9 in)
1990	31.8 mm (1.3 in)
1991	48.8 mm (1.9 in)
1992	26.4 mm (1.0 in)
1993	50.8 mm (2.0 in)
1994	20.3 mm (0.8 in)
1995	78.7 mm (3.1 in)
1996	63.5 mm (2.5 in)
1997	55.4 mm (2.2 in)
1998	40.6 mm (1.6 in)
1999	46.0 mm (1.8 in)
2000	40.9 mm (1.6 in)
2001	53.3 mm (2.1 in)
2002	39.4 mm (1.6 in)
2003	30.5 mm (1.2 in)
2004	53.3 mm (2.1 in)
2005	56.1 mm (2.2 in)
2006	81.3 mm (3.2 in)
2007	47.5 mm (1.9 in)
2008	77.2 mm (3.0 in)
2009	61.0 mm (2.4 in)
2010	42.7 mm (1.7 in)
2011	53.3 mm (2.1 in)
2012	27.4 mm (1.1 in)
2013	69.9 mm (2.8 in)
2014	91.2 mm (3.6 in)
2015	90.2 mm (3.6 in)
2016	119.1 mm (4.7 in)
2017	127.8 mm (5.0 in)
2018	168.9 mm (6.6 in)
2019	65.0 mm (2.6 in)
2020	45.7 mm (1.8 in)
2021	85.1 mm (3.4 in)
2022	34.8 mm (1.4 in)
2023	45.0 mm (1.8 in)
2024	37.6 mm (1.5 in)
2025	38.1 mm (1.5 in)
2026	50.8 mm (2.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Hill City 1E, 1971 to 2026. The record is 188.0 mm (7.4 in) in 2018, marked on the chart; the median year is 73.4 mm (2.9 in).

Wettest five days (Rx5day) at Hill City 1E by year
Year	Wettest five days (Rx5day)
1971	73.9 mm (2.9 in)
1972	37.9 mm (1.5 in)
1977	7.9 mm (0.31 in)
1978	72.9 mm (2.9 in)
1979	86.0 mm (3.4 in)
1980	106.7 mm (4.2 in)
1981	57.2 mm (2.3 in)
1982	69.3 mm (2.7 in)
1983	48.8 mm (1.9 in)
1984	51.7 mm (2.0 in)
1985	93.2 mm (3.7 in)
1986	99.8 mm (3.9 in)
1987	83.0 mm (3.3 in)
1988	51.2 mm (2.0 in)
1989	105.2 mm (4.1 in)
1990	43.7 mm (1.7 in)
1991	52.1 mm (2.1 in)
1992	41.6 mm (1.6 in)
1993	127.0 mm (5.0 in)
1994	22.6 mm (0.9 in)
1995	113.6 mm (4.5 in)
1996	89.2 mm (3.5 in)
1997	89.7 mm (3.5 in)
1998	65.2 mm (2.6 in)
1999	84.9 mm (3.3 in)
2000	60.2 mm (2.4 in)
2001	76.7 mm (3.0 in)
2002	53.4 mm (2.1 in)
2003	39.5 mm (1.6 in)
2004	101.0 mm (4.0 in)
2005	106.5 mm (4.2 in)
2006	97.1 mm (3.8 in)
2007	88.6 mm (3.5 in)
2008	108.4 mm (4.3 in)
2009	70.3 mm (2.8 in)
2010	55.1 mm (2.2 in)
2011	72.4 mm (2.9 in)
2012	32.5 mm (1.3 in)
2013	129.6 mm (5.1 in)
2014	93.2 mm (3.7 in)
2015	122.8 mm (4.8 in)
2016	181.3 mm (7.1 in)
2017	144.9 mm (5.7 in)
2018	188.0 mm (7.4 in)
2019	132.2 mm (5.2 in)
2020	70.3 mm (2.8 in)
2021	95.9 mm (3.8 in)
2022	42.0 mm (1.7 in)
2023	56.7 mm (2.2 in)
2024	53.4 mm (2.1 in)
2025	57.2 mm (2.3 in)
2026	61.7 mm (2.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Hill City 1E, 1971 to 2026. The record is 65 days in 2022, marked on the chart; the median year is 37 days.

Longest dry spell (CDD) at Hill City 1E by year
Year	Longest dry spell (CDD)
1971	25 days
1972	49 days
1977	16 days
1978	34 days
1979	43 days
1980	40 days
1981	32 days
1982	30 days
1983	26 days
1984	29 days
1985	36 days
1986	35 days
1987	33 days
1988	41 days
1989	47 days
1990	27 days
1991	34 days
1992	24 days
1993	27 days
1994	30 days
1995	48 days
1996	43 days
1997	37 days
1998	39 days
1999	45 days
2000	49 days
2001	23 days
2002	47 days
2003	32 days
2004	35 days
2005	35 days
2006	56 days
2007	40 days
2008	23 days
2009	49 days
2010	43 days
2011	27 days
2012	62 days
2013	31 days
2014	52 days
2015	39 days
2016	31 days
2017	42 days
2018	23 days
2019	29 days
2020	45 days
2021	42 days
2022	65 days
2023	30 days
2024	37 days
2025	37 days
2026	55 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

30 years with a frost

Across 30 years with a frost, the median last spring frost at Hill City 1E falls on 27 April and the median first autumn frost on 8 October, which leaves a median of 164 days between them.

Fitted over all years, the growing season changes by +1.2 days per decade at this station.

Frost dates and growing season at Hill City 1E
Measure	Median, all years	Earliest period	Recent period (1984 to 2023)	Recent against earliest	Fitted trend
Last spring frost	27 April	n/a	27 April	n/a	+0.7 days per decade
First autumn frost	8 October	n/a	8 October	n/a	+1.9 days per decade
Growing days	164 days	n/a	164 days	n/a	+1.2 days per decade

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.

Rainfall Return Levels

41 years, 1979 to 2025

A day with at least 53.6 mm (2.1 in) of rain is expected about once in 2 years. A day with at least 180.6 mm (7.1 in) of rain is expected about once in 100 years.

Rainfall return levels at Hill City 1E: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	53.6 mm (2.1 in)
5 years	76.9 mm (3.0 in)
10 years	95.9 mm (3.8 in)
25 years	124.9 mm (4.9 in)
50 years	150.7 mm (5.9 in)	Longer than the 41 years of record
100 years	180.6 mm (7.1 in)	Longer than the 41 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, 41 years of values from 1979 to 2025.

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: 168.9 mm (6.6 in) in 2018; 127.8 mm (5.0 in) in 2017; 119.1 mm (4.7 in) in 2016.

Download the Data

Data for Hill City 1E standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Hill City 1E 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).