Rudyard 4N Weather Records (USC00207190)

Record envelope, standing records and threshold days for Rudyard 4N (USC00207190), Michigan, United States, with 32 years of record.

Key Facts for Rudyard 4N

Rudyard 4N (USC00207190) is a weather station in Michigan, United States at 46.30 latitude and -84.58 longitude, 230 m (753 ft) above sea level.
The station reports from 1978 to 2009, 32 years of record.
1,464 records set at Rudyard 4N still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Michigan, United States, 46.30 latitude, -84.58 longitude.
Elevation: 230 m (753 ft).
Period of record: 1978 to 2009, 32 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 Rudyard 4N. 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 Rudyard 4N, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	7.2 C (45.0 F)	-36.7 C (-34.1 F)	n/a	n/a
Feb	10.6 C (51.1 F)	-36.7 C (-34.1 F)	n/a	n/a
Mar	20.0 C (68.0 F)	-32.2 C (-26.0 F)	n/a	n/a
Apr	31.7 C (89.1 F)	-20.0 C (-4.0 F)	n/a	n/a
May	34.4 C (93.9 F)	-6.7 C (19.9 F)	n/a	n/a
Jun	35.0 C (95.0 F)	-5.0 C (23.0 F)	n/a	n/a
Jul	37.2 C (99.0 F)	0.6 C (33.1 F)	n/a	n/a
Aug	35.0 C (95.0 F)	-1.7 C (28.9 F)	n/a	n/a
Sep	31.1 C (88.0 F)	-9.4 C (15.1 F)	n/a	n/a
Oct	27.8 C (82.0 F)	-11.1 C (12.0 F)	n/a	n/a
Nov	21.7 C (71.1 F)	-18.3 C (-0.9 F)	n/a	n/a
Dec	15.6 C (60.1 F)	-32.2 C (-26.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Rudyard 4N still stand. 1989 holds the most, with 81.

Standing records at Rudyard 4N by the year they were set
Year set	Standing records
1978	20
1979	65
1980	43
1981	55
1982	62
1983	62
1984	39
1985	44
1986	47
1987	45
1988	60
1989	81
1990	37
1991	68
1992	47
1993	46
1994	58
1995	39
1996	35
1997	45
1998	39
1999	51
2000	59
2001	47
2002	48
2003	34
2004	46
2005	10
2006	14
2007	61
2008	38
2009	19

Wettest Day of Each Month

Sep: 95.8 mm (3.8 in)

The wettest day on record for each calendar month at Rudyard 4N. The most was 95.8 mm (3.8 in) on 4 September 1990.

Record daily precipitation for each month at Rudyard 4N
Month	Record daily precipitation (mm)	Date
Jan	34.3 mm (1.4 in)	4 January 1997
Feb	24.9 mm (1.0 in)	20 February 2004
Mar	37.3 mm (1.5 in)	19 March 1983
Apr	41.7 mm (1.6 in)	1 April 2008
May	58.9 mm (2.3 in)	31 May 1998
Jun	68.1 mm (2.7 in)	13 June 1986
Jul	59.9 mm (2.4 in)	3 July 1999
Aug	64.8 mm (2.6 in)	7 August 1979
Sep	95.8 mm (3.8 in)	4 September 1990
Oct	51.6 mm (2.0 in)	6 October 2007
Nov	64.8 mm (2.6 in)	5 November 1988
Dec	34.0 mm (1.3 in)	3 December 1984

Period of Record Coverage

1978 to 2009

32 years of record at Rudyard 4N, 1978 to 2009. 10 years have data for under 90 percent of days and are left out of rankings: 1978, 1988, 1990, 1991, 1992, 1995, 1996, 2005 and others.

Days with data per year at Rudyard 4N
Year	Days with data	Share of year	Complete
1978	143	39%	No
1979	354	97%	Yes
1980	360	98%	Yes
1981	361	99%	Yes
1982	339	93%	Yes
1983	338	93%	Yes
1984	355	97%	Yes
1985	357	98%	Yes
1986	350	96%	Yes
1987	336	92%	Yes
1988	327	89%	No
1989	334	92%	Yes
1990	327	90%	No
1991	313	86%	No
1992	324	89%	No
1993	333	91%	Yes
1994	332	91%	Yes
1995	217	59%	No
1996	275	75%	No
1997	361	99%	Yes
1998	332	91%	Yes
1999	364	100%	Yes
2000	359	98%	Yes
2001	356	98%	Yes
2002	358	98%	Yes
2003	350	96%	Yes
2004	331	90%	Yes
2005	128	35%	No
2006	153	42%	No
2007	364	100%	Yes
2008	361	99%	Yes
2009	292	80%	No

Latest Records

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

Climate Trend

22 complete years, 1979 to 2008

One stripe for each of 22 complete years at Rudyard 4N, 1979 to 2008. Blue stripes are years cooler than the station's own mean of 5.2 C (41.3 F); red stripes are warmer. The coolest year was 1989, at 3.7 C (38.6 F), and the warmest was 2001, at 6.8 C (44.2 F). The strongest colour marks a difference of 1.7 C (3.1 F).

Annual mean temperature at Rudyard 4N as warming stripes, 1979 to 2008
Year	Annual mean temperature	Difference from the station mean
1979	4.0 C	-1.16 C
1980	4.2 C	-1.00 C
1981	5.1 C	-0.10 C
1982	4.3 C	-0.87 C
1983	5.6 C	+0.45 C
1984	5.0 C	-0.20 C
1985	4.0 C	-1.20 C
1987	5.9 C	+0.72 C
1988	4.5 C	-0.65 C
1989	3.7 C	-1.47 C
1990	6.1 C	+0.96 C
1993	5.0 C	-0.18 C
1994	5.5 C	+0.29 C
1997	4.8 C	-0.39 C
1999	6.3 C	+1.17 C
2000	5.7 C	+0.50 C
2001	6.8 C	+1.61 C
2002	5.8 C	+0.59 C
2003	5.0 C	-0.18 C
2004	5.0 C	-0.12 C
2007	6.4 C	+1.21 C
2008	5.2 C	+0.01 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

1978 to 2009

Yearly extremes at Rudyard 4N: 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)	1988	31.7 C (89.1 F)	32
Coldest night (TNn)	-36.7 C (-34.1 F)	1979	-30.3 C (-22.5 F)	32
Wettest day (Rx1day)	95.8 mm (3.8 in)	1990	41.2 mm (1.6 in)	32
Wettest five days (Rx5day)	113.6 mm (4.5 in)	1986	69.9 mm (2.8 in)	32
Longest dry spell (CDD)	44 days	1993	17 days	32

Hottest day (TXx)

The hottest day of the year at Rudyard 4N, 1978 to 2009. The record is 37.2 C (99.0 F) in 1988, marked on the chart; the median year is 31.7 C (89.1 F).

Hottest day (TXx) at Rudyard 4N by year
Year	Hottest day (TXx)
1978	31.1 C (88.0 F)
1979	31.7 C (89.1 F)
1980	31.1 C (88.0 F)
1981	34.4 C (93.9 F)
1982	31.1 C (88.0 F)
1983	35.0 C (95.0 F)
1984	30.0 C (86.0 F)
1985	30.0 C (86.0 F)
1986	34.4 C (93.9 F)
1987	32.8 C (91.0 F)
1988	37.2 C (99.0 F)
1989	33.3 C (91.9 F)
1990	31.1 C (88.0 F)
1991	33.9 C (93.0 F)
1992	30.0 C (86.0 F)
1993	31.7 C (89.1 F)
1994	35.0 C (95.0 F)
1995	34.4 C (93.9 F)
1996	28.3 C (82.9 F)
1997	32.2 C (90.0 F)
1998	32.2 C (90.0 F)
1999	31.7 C (89.1 F)
2000	31.7 C (89.1 F)
2001	35.0 C (95.0 F)
2002	32.8 C (91.0 F)
2003	31.7 C (89.1 F)
2004	30.6 C (87.1 F)
2005	26.7 C (80.1 F)
2006	28.9 C (84.0 F)
2007	34.4 C (93.9 F)
2008	30.6 C (87.1 F)
2009	32.8 C (91.0 F)

Coldest night (TNn)

The coldest night of the year at Rudyard 4N, 1978 to 2009. The record is -36.7 C (-34.1 F) in 1979, marked on the chart; the median year is -30.3 C (-22.5 F).

Coldest night (TNn) at Rudyard 4N by year
Year	Coldest night (TNn)
1978	-25.6 C (-14.1 F)
1979	-36.7 C (-34.1 F)
1980	-35.0 C (-31.0 F)
1981	-36.7 C (-34.1 F)
1982	-36.1 C (-33.0 F)
1983	-27.8 C (-18.0 F)
1984	-30.6 C (-23.1 F)
1985	-29.4 C (-20.9 F)
1986	-34.4 C (-29.9 F)
1987	-27.8 C (-18.0 F)
1988	-30.6 C (-23.1 F)
1989	-33.3 C (-27.9 F)
1990	-27.2 C (-17.0 F)
1991	-25.0 C (-13.0 F)
1992	-28.3 C (-18.9 F)
1993	-32.2 C (-26.0 F)
1994	-32.2 C (-26.0 F)
1995	-25.6 C (-14.1 F)
1996	-27.2 C (-17.0 F)
1997	-34.4 C (-29.9 F)
1998	-23.3 C (-9.9 F)
1999	-33.3 C (-27.9 F)
2000	-29.4 C (-20.9 F)
2001	-23.9 C (-11.0 F)
2002	-23.9 C (-11.0 F)
2003	-32.8 C (-27.0 F)
2004	-31.1 C (-24.0 F)
2005	-30.6 C (-23.1 F)
2006	-20.0 C (-4.0 F)
2007	-30.0 C (-22.0 F)
2008	-28.9 C (-20.0 F)
2009	-30.6 C (-23.1 F)

Wettest day (Rx1day)

The wettest day of the year at Rudyard 4N, 1978 to 2009. The record is 95.8 mm (3.8 in) in 1990, marked on the chart; the median year is 41.2 mm (1.6 in).

Wettest day (Rx1day) at Rudyard 4N by year
Year	Wettest day (Rx1day)
1978	38.1 mm (1.5 in)
1979	64.8 mm (2.6 in)
1980	31.8 mm (1.3 in)
1981	41.7 mm (1.6 in)
1982	40.1 mm (1.6 in)
1983	37.3 mm (1.5 in)
1984	71.6 mm (2.8 in)
1985	53.8 mm (2.1 in)
1986	68.1 mm (2.7 in)
1987	67.1 mm (2.6 in)
1988	64.8 mm (2.6 in)
1989	36.3 mm (1.4 in)
1990	95.8 mm (3.8 in)
1991	50.8 mm (2.0 in)
1992	27.2 mm (1.1 in)
1993	37.3 mm (1.5 in)
1994	34.3 mm (1.4 in)
1995	33.0 mm (1.3 in)
1996	57.2 mm (2.3 in)
1997	34.3 mm (1.4 in)
1998	58.9 mm (2.3 in)
1999	63.8 mm (2.5 in)
2000	31.8 mm (1.3 in)
2001	42.7 mm (1.7 in)
2002	57.7 mm (2.3 in)
2003	39.6 mm (1.6 in)
2004	25.7 mm (1.0 in)
2005	16.3 mm (0.6 in)
2006	40.6 mm (1.6 in)
2007	51.6 mm (2.0 in)
2008	42.2 mm (1.7 in)
2009	25.9 mm (1.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Rudyard 4N, 1978 to 2009. The record is 113.6 mm (4.5 in) in 1986, marked on the chart; the median year is 69.9 mm (2.8 in).

Wettest five days (Rx5day) at Rudyard 4N by year
Year	Wettest five days (Rx5day)
1978	64.3 mm (2.5 in)
1979	82.8 mm (3.3 in)
1980	56.1 mm (2.2 in)
1981	48.7 mm (1.9 in)
1982	73.4 mm (2.9 in)
1983	55.1 mm (2.2 in)
1984	84.1 mm (3.3 in)
1985	77.4 mm (3.0 in)
1986	113.6 mm (4.5 in)
1987	79.5 mm (3.1 in)
1988	96.1 mm (3.8 in)
1989	70.7 mm (2.8 in)
1990	95.8 mm (3.8 in)
1991	76.7 mm (3.0 in)
1992	61.8 mm (2.4 in)
1993	77.1 mm (3.0 in)
1994	63.0 mm (2.5 in)
1995	58.3 mm (2.3 in)
1996	93.0 mm (3.7 in)
1997	50.3 mm (2.0 in)
1998	84.3 mm (3.3 in)
1999	90.4 mm (3.6 in)
2000	43.2 mm (1.7 in)
2001	87.1 mm (3.4 in)
2002	80.1 mm (3.2 in)
2003	52.3 mm (2.1 in)
2004	45.7 mm (1.8 in)
2005	23.4 mm (0.9 in)
2006	54.7 mm (2.2 in)
2007	69.1 mm (2.7 in)
2008	67.8 mm (2.7 in)
2009	52.1 mm (2.1 in)

Longest dry spell (CDD)

The longest dry spell of the year at Rudyard 4N, 1978 to 2009. The record is 44 days in 1993, marked on the chart; the median year is 17 days.

Longest dry spell (CDD) at Rudyard 4N by year
Year	Longest dry spell (CDD)
1978	13 days
1979	12 days
1980	16 days
1981	20 days
1982	11 days
1983	22 days
1984	23 days
1985	13 days
1986	21 days
1987	24 days
1988	20 days
1989	26 days
1990	16 days
1991	22 days
1992	14 days
1993	44 days
1994	18 days
1995	17 days
1996	20 days
1997	22 days
1998	17 days
1999	29 days
2000	16 days
2001	14 days
2002	12 days
2003	14 days
2004	16 days
2005	18 days
2006	13 days
2007	17 days
2008	12 days
2009	21 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

22 years with a frost

Across 22 years with a frost, the median last spring frost at Rudyard 4N falls on 3 June and the median first autumn frost on 19 September, which leaves a median of 107 days between them.

Frost dates and growing season at Rudyard 4N
Measure	Median, all years	Earliest period	Recent period (1979 to 2008)	Recent against earliest	Fitted trend
Last spring frost	3 June	n/a	3 June	n/a	n/a
First autumn frost	19 September	n/a	19 September	n/a	n/a
Growing days	107 days	n/a	107 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 Rudyard 4N standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Rudyard 4N 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).