Record envelope, standing records and threshold days for North Royalton (USC00336085), Ohio, United States, with 31 years of record.
Key Facts for North Royalton
North Royalton (USC00336085) is a weather station in Ohio, United States at 41.22 latitude and -81.75 longitude, 305 m (1,000 ft) above sea level.
The station reports from 1893 to 1923, 31 years of record.
1,464 records set at North Royalton still stand.
Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
North Royalton set a daily record low minimum temperature of -13.9 C (7.0 F) on 31 March 1923.
About the Station
Location: Ohio, United States, 41.22 latitude, -81.75 longitude.
Elevation: 305 m (1,000 ft).
Period of record: 1893 to 1923, 31 years.
Eligible elements: tmax, tmin.
Daily Record Envelope and 2026
0 days at or beyond a record
Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at North Royalton. 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 North Royalton, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
21.7 C (71.1 F)
-27.8 C (-18.0 F)
n/a
n/a
Feb
18.9 C (66.0 F)
-30.0 C (-22.0 F)
n/a
n/a
Mar
27.8 C (82.0 F)
-20.6 C (-5.1 F)
n/a
n/a
Apr
31.1 C (88.0 F)
-10.6 C (12.9 F)
n/a
n/a
May
34.4 C (93.9 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
38.9 C (102.0 F)
3.3 C (37.9 F)
n/a
n/a
Aug
38.9 C (102.0 F)
2.8 C (37.0 F)
n/a
n/a
Sep
36.1 C (97.0 F)
-0.6 C (30.9 F)
n/a
n/a
Oct
32.2 C (90.0 F)
-6.7 C (19.9 F)
n/a
n/a
Nov
24.4 C (75.9 F)
-13.9 C (7.0 F)
n/a
n/a
Dec
17.8 C (64.0 F)
-24.4 C (-11.9 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at North Royalton still stand. 1895 holds the most, with 98.
Standing records at North Royalton by the year they were set
Year set
Standing records
1893
53
1894
57
1895
98
1896
73
1897
39
1898
55
1899
74
1900
64
1901
53
1902
47
1903
63
1904
43
1905
29
1906
50
1907
46
1908
40
1909
46
1910
35
1911
41
1912
47
1913
53
1914
54
1915
42
1916
53
1917
55
1918
50
1919
30
1920
24
1921
22
1922
24
1923
4
Wettest Day of Each Month
Aug: 114.3 mm (4.5 in)
The wettest day on record for each calendar month at North Royalton. The most was 114.3 mm (4.5 in) on 27 August 1903.
Record daily precipitation for each month at North Royalton
Month
Record daily precipitation (mm)
Date
Jan
45.7 mm (1.8 in)
1 January 1916
Feb
40.6 mm (1.6 in)
5 February 1906
Mar
87.1 mm (3.4 in)
25 March 1913
Apr
51.3 mm (2.0 in)
3 April 1903
May
82.6 mm (3.3 in)
17 May 1893
Jun
49.5 mm (1.9 in)
23 June 1921
Jul
68.1 mm (2.7 in)
14 July 1912
Aug
114.3 mm (4.5 in)
27 August 1903
Sep
78.5 mm (3.1 in)
15 September 1911
Oct
50.8 mm (2.0 in)
6 October 1910
Nov
61.0 mm (2.4 in)
1 November 1921
Dec
36.8 mm (1.4 in)
14 December 1901
Period of Record Coverage
1893 to 1923
Complete yearUnder 90 percent of days
31 years of record at North Royalton, 1893 to 1923. 3 years have data for under 90 percent of days and are left out of rankings: 1893, 1920, 1923.
Cooler than the station meanWarmer than the station mean
One stripe for each of 23 complete years at North Royalton, 1894 to 1918. Blue stripes are years cooler than the station's own mean of 9.4 C (48.9 F); red stripes are warmer. The coolest year was 1917, at 7.5 C (45.6 F), and the warmest was 1898, at 10.5 C (50.9 F). The strongest colour marks a difference of 1.9 C (3.4 F).
Annual mean temperature at North Royalton as warming stripes, 1894 to 1918
Year
Annual mean temperature
Difference from the station mean
1894
10.4 C
+1.03 C
1895
9.0 C
-0.36 C
1896
10.0 C
+0.62 C
1898
10.5 C
+1.13 C
1899
10.2 C
+0.78 C
1900
10.5 C
+1.11 C
1901
9.2 C
-0.16 C
1902
9.4 C
+0.01 C
1903
9.3 C
-0.13 C
1904
7.8 C
-1.55 C
1905
8.8 C
-0.63 C
1906
9.9 C
+0.52 C
1907
8.4 C
-1.01 C
1908
10.2 C
+0.83 C
1909
9.3 C
-0.11 C
1910
9.3 C
-0.09 C
1912
8.5 C
-0.84 C
1913
10.2 C
+0.84 C
1914
9.0 C
-0.43 C
1915
9.3 C
-0.10 C
1916
9.4 C
-0.01 C
1917
7.5 C
-1.84 C
1918
9.7 C
+0.29 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
1893 to 1923
Yearly extremes at North Royalton: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
38.9 C (102.0 F)
1894
35.6 C (96.1 F)
31
Coldest night (TNn)
-30.0 C (-22.0 F)
1918
-22.8 C (-9.0 F)
31
Wettest day (Rx1day)
114.3 mm (4.5 in)
1903
45.0 mm (1.8 in)
31
Wettest five days (Rx5day)
203.4 mm (8.0 in)
1913
68.5 mm (2.7 in)
31
Longest dry spell (CDD)
25 days
1922
14 days
31
Hottest day (TXx)
The hottest day of the year at North Royalton, 1893 to 1923. The record is 38.9 C (102.0 F) in 1894, marked on the chart; the median year is 35.6 C (96.1 F).
Hottest day (TXx) at North Royalton by year
Year
Hottest day (TXx)
1893
35.6 C (96.1 F)
1894
38.9 C (102.0 F)
1895
36.1 C (97.0 F)
1896
35.0 C (95.0 F)
1897
37.8 C (100.0 F)
1898
36.1 C (97.0 F)
1899
36.7 C (98.1 F)
1900
37.8 C (100.0 F)
1901
37.2 C (99.0 F)
1902
32.8 C (91.0 F)
1903
35.0 C (95.0 F)
1904
33.3 C (91.9 F)
1905
33.3 C (91.9 F)
1906
34.4 C (93.9 F)
1907
32.8 C (91.0 F)
1908
35.6 C (96.1 F)
1909
33.3 C (91.9 F)
1910
35.6 C (96.1 F)
1911
38.3 C (100.9 F)
1912
33.3 C (91.9 F)
1913
35.6 C (96.1 F)
1914
35.6 C (96.1 F)
1915
36.7 C (98.1 F)
1916
36.7 C (98.1 F)
1917
35.0 C (95.0 F)
1918
38.9 C (102.0 F)
1919
34.4 C (93.9 F)
1920
33.3 C (91.9 F)
1921
36.1 C (97.0 F)
1922
33.9 C (93.0 F)
1923
18.9 C (66.0 F)
Coldest night (TNn)
The coldest night of the year at North Royalton, 1893 to 1923. The record is -30.0 C (-22.0 F) in 1918, marked on the chart; the median year is -22.8 C (-9.0 F).
Coldest night (TNn) at North Royalton by year
Year
Coldest night (TNn)
1893
-17.8 C (0.0 F)
1894
-21.7 C (-7.1 F)
1895
-25.0 C (-13.0 F)
1896
-23.9 C (-11.0 F)
1897
-27.8 C (-18.0 F)
1898
-22.8 C (-9.0 F)
1899
-28.9 C (-20.0 F)
1900
-22.8 C (-9.0 F)
1901
-23.9 C (-11.0 F)
1902
-21.7 C (-7.1 F)
1903
-22.8 C (-9.0 F)
1904
-25.6 C (-14.1 F)
1905
-25.0 C (-13.0 F)
1906
-20.6 C (-5.1 F)
1907
-22.2 C (-8.0 F)
1908
-19.4 C (-2.9 F)
1909
-23.3 C (-9.9 F)
1910
-21.1 C (-6.0 F)
1911
-15.0 C (5.0 F)
1912
-27.2 C (-17.0 F)
1913
-19.4 C (-2.9 F)
1914
-23.3 C (-9.9 F)
1915
-23.3 C (-9.9 F)
1916
-20.6 C (-5.1 F)
1917
-29.4 C (-20.9 F)
1918
-30.0 C (-22.0 F)
1919
-18.9 C (-2.0 F)
1920
-21.7 C (-7.1 F)
1921
-15.6 C (3.9 F)
1922
-20.6 C (-5.1 F)
1923
-13.9 C (7.0 F)
Wettest day (Rx1day)
The wettest day of the year at North Royalton, 1893 to 1923. The record is 114.3 mm (4.5 in) in 1903, marked on the chart; the median year is 45.0 mm (1.8 in).
Wettest day (Rx1day) at North Royalton by year
Year
Wettest day (Rx1day)
1893
82.6 mm (3.3 in)
1894
48.5 mm (1.9 in)
1895
41.7 mm (1.6 in)
1896
48.3 mm (1.9 in)
1897
41.1 mm (1.6 in)
1898
39.1 mm (1.5 in)
1899
32.3 mm (1.3 in)
1900
43.9 mm (1.7 in)
1901
52.8 mm (2.1 in)
1902
42.4 mm (1.7 in)
1903
114.3 mm (4.5 in)
1904
44.5 mm (1.8 in)
1905
38.1 mm (1.5 in)
1906
40.6 mm (1.6 in)
1907
47.0 mm (1.9 in)
1908
35.1 mm (1.4 in)
1909
67.8 mm (2.7 in)
1910
50.8 mm (2.0 in)
1911
78.5 mm (3.1 in)
1912
68.1 mm (2.7 in)
1913
87.1 mm (3.4 in)
1914
58.4 mm (2.3 in)
1915
41.4 mm (1.6 in)
1916
48.8 mm (1.9 in)
1917
39.4 mm (1.6 in)
1918
52.6 mm (2.1 in)
1919
45.0 mm (1.8 in)
1920
35.6 mm (1.4 in)
1921
61.0 mm (2.4 in)
1922
41.9 mm (1.6 in)
1923
30.5 mm (1.2 in)
Wettest five days (Rx5day)
The wettest five days of the year at North Royalton, 1893 to 1923. The record is 203.4 mm (8.0 in) in 1913, marked on the chart; the median year is 68.5 mm (2.7 in).
Wettest five days (Rx5day) at North Royalton by year
Year
Wettest five days (Rx5day)
1893
38.6 mm (1.5 in)
1894
25.0 mm (1.0 in)
1895
60.2 mm (2.4 in)
1896
139.8 mm (5.5 in)
1897
64.9 mm (2.6 in)
1898
56.4 mm (2.2 in)
1899
66.1 mm (2.6 in)
1900
61.2 mm (2.4 in)
1901
81.3 mm (3.2 in)
1902
68.0 mm (2.7 in)
1903
176.7 mm (7.0 in)
1904
93.5 mm (3.7 in)
1905
60.5 mm (2.4 in)
1906
67.4 mm (2.7 in)
1907
101.1 mm (4.0 in)
1908
61.2 mm (2.4 in)
1909
108.4 mm (4.3 in)
1910
101.6 mm (4.0 in)
1911
111.8 mm (4.4 in)
1912
89.7 mm (3.5 in)
1913
203.4 mm (8.0 in)
1914
88.8 mm (3.5 in)
1915
53.6 mm (2.1 in)
1916
76.1 mm (3.0 in)
1917
58.7 mm (2.3 in)
1918
74.5 mm (2.9 in)
1919
70.8 mm (2.8 in)
1920
68.5 mm (2.7 in)
1921
68.7 mm (2.7 in)
1922
51.9 mm (2.0 in)
1923
40.7 mm (1.6 in)
Longest dry spell (CDD)
The longest dry spell of the year at North Royalton, 1893 to 1923. The record is 25 days in 1922, marked on the chart; the median year is 14 days.
Longest dry spell (CDD) at North Royalton by year
Year
Longest dry spell (CDD)
1893
2 days
1894
17 days
1895
1 day
1896
1 day
1897
4 days
1898
11 days
1899
16 days
1900
15 days
1901
14 days
1902
11 days
1903
19 days
1904
13 days
1905
14 days
1906
12 days
1907
10 days
1908
20 days
1909
13 days
1910
24 days
1911
10 days
1912
13 days
1913
16 days
1914
20 days
1915
18 days
1916
22 days
1917
21 days
1918
21 days
1919
17 days
1920
23 days
1921
14 days
1922
25 days
1923
6 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 North Royalton falls on 3 May and the median first autumn frost on 12 October, which leaves a median of 167 days between them.
Frost dates and growing season at North Royalton
Measure
Median, all years
Earliest period
Recent period (1894 to 1918)
Recent against earliest
Fitted trend
Last spring frost
3 May
n/a
3 May
n/a
n/a
First autumn frost
12 October
n/a
12 October
n/a
n/a
Growing days
167 days
n/a
167 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 North Royalton standing records by year: CSV or JSON. Field meanings are on the data page.
Data for North Royalton 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.