Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Simcoe. 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 Simcoe, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
18.3 C (64.9 F)
-37.8 C (-36.0 F)
n/a
n/a
Feb
17.8 C (64.0 F)
-32.8 C (-27.0 F)
n/a
n/a
Mar
26.1 C (79.0 F)
-28.3 C (-18.9 F)
n/a
n/a
Apr
31.1 C (88.0 F)
-15.6 C (3.9 F)
n/a
n/a
May
35.6 C (96.1 F)
-6.7 C (19.9 F)
n/a
n/a
Jun
36.7 C (98.1 F)
-1.1 C (30.0 F)
n/a
n/a
Jul
40.0 C (104.0 F)
3.3 C (37.9 F)
n/a
n/a
Aug
36.1 C (97.0 F)
1.7 C (35.1 F)
n/a
n/a
Sep
35.6 C (96.1 F)
-3.3 C (26.1 F)
n/a
n/a
Oct
30.0 C (86.0 F)
-9.4 C (15.1 F)
n/a
n/a
Nov
24.4 C (75.9 F)
-23.3 C (-9.9 F)
n/a
n/a
Dec
16.7 C (62.1 F)
-31.1 C (-24.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Simcoe still stand. 1881 holds the most, with 52.
Standing records at Simcoe by the year they were set
Year set
Standing records
1866
19
1867
19
1868
22
1869
16
1870
9
1871
30
1872
15
1873
19
1874
2
1877
12
1878
18
1879
35
1880
37
1881
52
1882
20
1883
16
1884
25
1885
44
1886
23
1887
16
1888
5
1920
15
1921
27
1922
24
1923
23
1924
23
1925
35
1926
22
1927
26
1928
21
1929
30
1930
29
1931
34
1932
36
1933
36
1934
38
1935
17
1936
38
1937
16
1938
26
1939
15
1940
28
1941
27
1942
25
1944
2
1945
43
1946
33
1947
26
1948
17
1949
35
1950
23
1951
23
1952
16
1953
19
1954
25
1955
23
1956
13
1957
26
1958
19
1959
24
1960
21
1961
11
All-Time Record Progression
6 new records
6 all-time records were set at Simcoe between 23 July 1933 and 3 September 1937. Each dot is a new record.
When Simcoe set new all-time records
Date
Kind
Detail
1933-07-23
Record high maximum temperature
Record high maximum temperature 37.8 C (100.0 F)
1934-02-08
Record low maximum temperature
Record low maximum temperature -24.4 C (-11.9 F)
1936-07-08
Record high maximum temperature
Record high maximum temperature 38.3 C (100.9 F)
1936-07-09
Record high maximum temperature
Record high maximum temperature 40.0 C (104.0 F)
1937-07-16
Record high minimum temperature
Record high minimum temperature 26.1 C (79.0 F)
1937-09-03
Record high minimum temperature
Record high minimum temperature 26.7 C (80.1 F)
Wettest Day of Each Month
Nov: 115.3 mm (4.5 in)
The wettest day on record for each calendar month at Simcoe. The most was 115.3 mm (4.5 in) on 10 November 1868.
Record daily precipitation for each month at Simcoe
Month
Record daily precipitation (mm)
Date
Jan
52.8 mm (2.1 in)
13 January 1937
Feb
51.1 mm (2.0 in)
19 February 1939
Mar
61.0 mm (2.4 in)
5 March 1881
Apr
69.6 mm (2.7 in)
25 April 1937
May
80.8 mm (3.2 in)
13 May 1868
Jun
61.7 mm (2.4 in)
17 June 1881
Jul
78.7 mm (3.1 in)
18 July 1942
Aug
81.8 mm (3.2 in)
29 August 1959
Sep
100.6 mm (4.0 in)
14 September 1878
Oct
102.9 mm (4.1 in)
1 October 1945
Nov
115.3 mm (4.5 in)
10 November 1868
Dec
86.1 mm (3.4 in)
21 December 1867
Period of Record Coverage
1866 to 1961
Complete yearUnder 90 percent of days
62 years of record at Simcoe, 1866 to 1961. 25 years have data for under 90 percent of days and are left out of rankings: 1866, 1867, 1868, 1869, 1870, 1871, 1872, 1873 and others.
Cooler than the station meanWarmer than the station mean
One stripe for each of 52 complete years at Simcoe, 1867 to 1960. Blue stripes are years cooler than the station's own mean of 7.9 C (46.2 F); red stripes are warmer. The coolest year was 1885, at 5.6 C (42.0 F), and the warmest was 1931, at 9.8 C (49.6 F). The strongest colour marks a difference of 2.4 C (4.3 F).
Annual mean temperature at Simcoe as warming stripes, 1867 to 1960
Year
Annual mean temperature
Difference from the station mean
1867
7.6 C
-0.32 C
1870
8.9 C
+0.97 C
1871
8.0 C
+0.11 C
1872
7.6 C
-0.26 C
1873
7.9 C
-0.04 C
1877
8.3 C
+0.42 C
1878
8.5 C
+0.56 C
1879
7.2 C
-0.67 C
1880
8.2 C
+0.29 C
1881
8.0 C
+0.14 C
1882
7.7 C
-0.19 C
1883
6.4 C
-1.50 C
1884
7.1 C
-0.81 C
1885
5.6 C
-2.33 C
1886
6.8 C
-1.14 C
1887
7.2 C
-0.75 C
1921
9.7 C
+1.81 C
1922
8.8 C
+0.86 C
1923
7.8 C
-0.11 C
1924
6.9 C
-0.99 C
1925
7.7 C
-0.23 C
1926
6.9 C
-0.96 C
1927
8.3 C
+0.40 C
1928
8.3 C
+0.42 C
1929
8.0 C
+0.05 C
1930
8.6 C
+0.71 C
1931
9.8 C
+1.88 C
1932
8.9 C
+0.97 C
1933
9.2 C
+1.30 C
1934
8.1 C
+0.21 C
1935
7.9 C
+0.02 C
1936
8.0 C
+0.05 C
1937
8.4 C
+0.50 C
1938
8.9 C
+1.01 C
1939
8.4 C
+0.51 C
1940
7.0 C
-0.93 C
1941
8.9 C
+0.97 C
1945
6.9 C
-0.99 C
1946
8.2 C
+0.34 C
1947
7.6 C
-0.28 C
1948
7.4 C
-0.47 C
1949
8.6 C
+0.74 C
1950
7.2 C
-0.66 C
1951
7.6 C
-0.29 C
1953
8.7 C
+0.75 C
1954
7.9 C
-0.03 C
1955
8.6 C
+0.66 C
1956
7.4 C
-0.53 C
1957
7.8 C
-0.15 C
1958
6.9 C
-0.98 C
1959
7.8 C
-0.09 C
1960
7.0 C
-0.93 C
The fitted trend in annual mean temperature here over 1867 to 1960 is 0.04 C (-0.04 to 0.11) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: 0.1 F (-0.1 to 0.2) per decade. The slope is a straight line fitted to 52 complete years; the brackets give its 95 percent interval.
Fitted temperature trends per decade at Simcoe
Measure
Per decade (C)
Per decade (F)
Period
Complete years
Reading
Annual mean temperature
0.04 C (-0.04 to 0.11) per decade
0.1 F (-0.1 to 0.2) per decade
1867 to 1960
52
Not clearly different from zero
Mean daily maximum
0.00 C (-0.09 to 0.09) per decade
0.00 F (-0.16 to 0.17) per decade
1867 to 1960
52
Not clearly different from zero
Mean daily minimum
0.07 C (0.00 to 0.15) per decade
0.13 F (-0.01 to 0.28) per decade
1867 to 1960
52
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
1866 to 1961
Yearly extremes at Simcoe: 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)
1936
33.3 C (91.9 F)
62
Coldest night (TNn)
-37.8 C (-36.0 F)
1884
-24.7 C (-12.5 F)
62
Wettest day (Rx1day)
115.3 mm (4.5 in)
1868
45.1 mm (1.8 in)
62
Wettest five days (Rx5day)
154.2 mm (6.1 in)
1955
69.2 mm (2.7 in)
62
Longest dry spell (CDD)
36 days
1924
17 days
62
Hottest day (TXx)
The hottest day of the year at Simcoe, 1866 to 1961. The record is 40.0 C (104.0 F) in 1936, marked on the chart; the median year is 33.3 C (91.9 F).
Hottest day (TXx) at Simcoe by year
Year
Hottest day (TXx)
1866
35.0 C (95.0 F)
1867
34.4 C (93.9 F)
1868
37.2 C (99.0 F)
1869
30.6 C (87.1 F)
1870
35.0 C (95.0 F)
1871
32.2 C (90.0 F)
1872
36.1 C (97.0 F)
1873
33.3 C (91.9 F)
1874
16.1 C (61.0 F)
1877
31.7 C (89.1 F)
1878
33.9 C (93.0 F)
1879
31.7 C (89.1 F)
1880
31.7 C (89.1 F)
1881
34.4 C (93.9 F)
1882
30.6 C (87.1 F)
1883
31.1 C (88.0 F)
1884
31.7 C (89.1 F)
1885
30.6 C (87.1 F)
1886
30.6 C (87.1 F)
1887
32.2 C (90.0 F)
1888
6.7 C (44.1 F)
1920
31.1 C (88.0 F)
1921
35.6 C (96.1 F)
1922
33.3 C (91.9 F)
1923
35.6 C (96.1 F)
1924
32.8 C (91.0 F)
1925
36.1 C (97.0 F)
1926
35.6 C (96.1 F)
1927
34.4 C (93.9 F)
1928
33.3 C (91.9 F)
1929
35.6 C (96.1 F)
1930
34.4 C (93.9 F)
1931
37.2 C (99.0 F)
1932
36.1 C (97.0 F)
1933
37.8 C (100.0 F)
1934
35.6 C (96.1 F)
1935
35.0 C (95.0 F)
1936
40.0 C (104.0 F)
1937
33.3 C (91.9 F)
1938
32.8 C (91.0 F)
1939
35.6 C (96.1 F)
1940
32.8 C (91.0 F)
1941
34.4 C (93.9 F)
1942
33.3 C (91.9 F)
1944
21.1 C (70.0 F)
1945
33.3 C (91.9 F)
1946
33.3 C (91.9 F)
1947
34.4 C (93.9 F)
1948
36.1 C (97.0 F)
1949
36.7 C (98.1 F)
1950
31.7 C (89.1 F)
1951
31.7 C (89.1 F)
1952
34.4 C (93.9 F)
1953
35.0 C (95.0 F)
1954
32.2 C (90.0 F)
1955
35.6 C (96.1 F)
1956
33.3 C (91.9 F)
1957
31.7 C (89.1 F)
1958
32.2 C (90.0 F)
1959
32.2 C (90.0 F)
1960
31.7 C (89.1 F)
1961
31.7 C (89.1 F)
Coldest night (TNn)
The coldest night of the year at Simcoe, 1866 to 1961. The record is -37.8 C (-36.0 F) in 1884, marked on the chart; the median year is -24.7 C (-12.5 F).
Coldest night (TNn) at Simcoe by year
Year
Coldest night (TNn)
1866
-20.0 C (-4.0 F)
1867
-25.6 C (-14.1 F)
1868
-28.9 C (-20.0 F)
1869
-16.1 C (3.0 F)
1870
-20.6 C (-5.1 F)
1871
-25.0 C (-13.0 F)
1872
-31.1 C (-24.0 F)
1873
-32.2 C (-26.0 F)
1874
-20.6 C (-5.1 F)
1877
-22.2 C (-8.0 F)
1878
-25.6 C (-14.1 F)
1879
-24.4 C (-11.9 F)
1880
-23.3 C (-9.9 F)
1881
-32.8 C (-27.0 F)
1882
-25.0 C (-13.0 F)
1883
-22.8 C (-9.0 F)
1884
-37.8 C (-36.0 F)
1885
-30.0 C (-22.0 F)
1886
-27.2 C (-17.0 F)
1887
-27.2 C (-17.0 F)
1888
-28.9 C (-20.0 F)
1920
-12.2 C (10.0 F)
1921
-18.9 C (-2.0 F)
1922
-19.4 C (-2.9 F)
1923
-20.0 C (-4.0 F)
1924
-25.6 C (-14.1 F)
1925
-28.3 C (-18.9 F)
1926
-21.7 C (-7.1 F)
1927
-23.9 C (-11.0 F)
1928
-25.0 C (-13.0 F)
1929
-27.2 C (-17.0 F)
1930
-21.7 C (-7.1 F)
1931
-20.6 C (-5.1 F)
1932
-18.9 C (-2.0 F)
1933
-26.1 C (-15.0 F)
1934
-32.2 C (-26.0 F)
1935
-25.6 C (-14.1 F)
1936
-25.0 C (-13.0 F)
1937
-22.8 C (-9.0 F)
1938
-20.6 C (-5.1 F)
1939
-22.2 C (-8.0 F)
1940
-25.0 C (-13.0 F)
1941
-21.1 C (-6.0 F)
1942
-26.7 C (-16.1 F)
1944
-25.0 C (-13.0 F)
1945
-31.7 C (-25.1 F)
1946
-22.2 C (-8.0 F)
1947
-17.2 C (1.0 F)
1948
-28.3 C (-18.9 F)
1949
-19.4 C (-2.9 F)
1950
-25.6 C (-14.1 F)
1951
-24.4 C (-11.9 F)
1952
-17.8 C (0.0 F)
1953
-20.0 C (-4.0 F)
1954
-21.7 C (-7.1 F)
1955
-28.9 C (-20.0 F)
1956
-20.0 C (-4.0 F)
1957
-28.3 C (-18.9 F)
1958
-23.9 C (-11.0 F)
1959
-24.4 C (-11.9 F)
1960
-28.9 C (-20.0 F)
1961
-27.2 C (-17.0 F)
Wettest day (Rx1day)
The wettest day of the year at Simcoe, 1866 to 1961. The record is 115.3 mm (4.5 in) in 1868, marked on the chart; the median year is 45.1 mm (1.8 in).
Wettest day (Rx1day) at Simcoe by year
Year
Wettest day (Rx1day)
1866
47.5 mm (1.9 in)
1867
86.1 mm (3.4 in)
1868
115.3 mm (4.5 in)
1869
57.2 mm (2.3 in)
1870
67.3 mm (2.6 in)
1871
52.1 mm (2.1 in)
1872
58.7 mm (2.3 in)
1873
41.9 mm (1.6 in)
1874
25.4 mm (1.0 in)
1877
54.9 mm (2.2 in)
1878
100.6 mm (4.0 in)
1879
41.4 mm (1.6 in)
1880
34.3 mm (1.4 in)
1881
61.7 mm (2.4 in)
1882
37.6 mm (1.5 in)
1883
44.2 mm (1.7 in)
1884
22.6 mm (0.9 in)
1885
69.9 mm (2.8 in)
1886
45.7 mm (1.8 in)
1887
27.9 mm (1.1 in)
1888
25.4 mm (1.0 in)
1920
40.1 mm (1.6 in)
1921
53.3 mm (2.1 in)
1922
70.6 mm (2.8 in)
1923
47.0 mm (1.9 in)
1924
36.3 mm (1.4 in)
1925
36.3 mm (1.4 in)
1926
46.5 mm (1.8 in)
1927
41.9 mm (1.6 in)
1928
43.7 mm (1.7 in)
1929
31.0 mm (1.2 in)
1930
35.6 mm (1.4 in)
1931
74.9 mm (2.9 in)
1932
38.1 mm (1.5 in)
1933
34.8 mm (1.4 in)
1934
41.9 mm (1.6 in)
1935
24.4 mm (1.0 in)
1936
23.9 mm (0.9 in)
1937
69.6 mm (2.7 in)
1938
39.6 mm (1.6 in)
1939
51.1 mm (2.0 in)
1940
50.8 mm (2.0 in)
1941
33.0 mm (1.3 in)
1942
78.7 mm (3.1 in)
1944
38.1 mm (1.5 in)
1945
102.9 mm (4.1 in)
1946
35.6 mm (1.4 in)
1947
37.3 mm (1.5 in)
1948
44.5 mm (1.8 in)
1949
51.8 mm (2.0 in)
1950
46.0 mm (1.8 in)
1951
40.6 mm (1.6 in)
1952
69.1 mm (2.7 in)
1953
58.4 mm (2.3 in)
1954
75.4 mm (3.0 in)
1955
73.7 mm (2.9 in)
1956
47.2 mm (1.9 in)
1957
53.3 mm (2.1 in)
1958
29.2 mm (1.1 in)
1959
81.8 mm (3.2 in)
1960
34.5 mm (1.4 in)
1961
36.1 mm (1.4 in)
Wettest five days (Rx5day)
The wettest five days of the year at Simcoe, 1866 to 1961. The record is 154.2 mm (6.1 in) in 1955, marked on the chart; the median year is 69.2 mm (2.7 in).
Wettest five days (Rx5day) at Simcoe by year
Year
Wettest five days (Rx5day)
1866
55.2 mm (2.2 in)
1867
110.2 mm (4.3 in)
1868
115.3 mm (4.5 in)
1869
86.8 mm (3.4 in)
1870
86.9 mm (3.4 in)
1871
93.2 mm (3.7 in)
1872
98.6 mm (3.9 in)
1873
57.1 mm (2.2 in)
1874
42.9 mm (1.7 in)
1877
68.3 mm (2.7 in)
1878
132.4 mm (5.2 in)
1879
95.4 mm (3.8 in)
1880
61.5 mm (2.4 in)
1881
62.7 mm (2.5 in)
1882
53.9 mm (2.1 in)
1883
66.8 mm (2.6 in)
1884
42.9 mm (1.7 in)
1885
70.9 mm (2.8 in)
1886
80.7 mm (3.2 in)
1887
73.4 mm (2.9 in)
1888
27.9 mm (1.1 in)
1920
59.4 mm (2.3 in)
1921
71.9 mm (2.8 in)
1922
70.6 mm (2.8 in)
1923
50.1 mm (2.0 in)
1924
74.2 mm (2.9 in)
1925
54.6 mm (2.1 in)
1926
69.1 mm (2.7 in)
1927
87.1 mm (3.4 in)
1928
85.9 mm (3.4 in)
1929
79.3 mm (3.1 in)
1930
48.8 mm (1.9 in)
1931
76.2 mm (3.0 in)
1932
51.4 mm (2.0 in)
1933
43.1 mm (1.7 in)
1934
41.9 mm (1.6 in)
1935
45.7 mm (1.8 in)
1936
42.7 mm (1.7 in)
1937
146.5 mm (5.8 in)
1938
63.6 mm (2.5 in)
1939
72.7 mm (2.9 in)
1940
86.6 mm (3.4 in)
1941
60.5 mm (2.4 in)
1942
97.2 mm (3.8 in)
1944
44.2 mm (1.7 in)
1945
119.7 mm (4.7 in)
1946
40.3 mm (1.6 in)
1947
43.9 mm (1.7 in)
1948
50.1 mm (2.0 in)
1949
57.2 mm (2.3 in)
1950
89.4 mm (3.5 in)
1951
65.0 mm (2.6 in)
1952
81.0 mm (3.2 in)
1953
67.8 mm (2.7 in)
1954
110.9 mm (4.4 in)
1955
154.2 mm (6.1 in)
1956
69.3 mm (2.7 in)
1957
90.2 mm (3.6 in)
1958
75.0 mm (3.0 in)
1959
99.3 mm (3.9 in)
1960
66.5 mm (2.6 in)
1961
57.2 mm (2.3 in)
Longest dry spell (CDD)
The longest dry spell of the year at Simcoe, 1866 to 1961. The record is 36 days in 1924, marked on the chart; the median year is 17 days.
Longest dry spell (CDD) at Simcoe by year
Year
Longest dry spell (CDD)
1866
13 days
1867
19 days
1868
29 days
1869
12 days
1870
20 days
1871
25 days
1872
18 days
1873
20 days
1874
27 days
1877
26 days
1878
13 days
1879
17 days
1880
15 days
1881
19 days
1882
21 days
1883
14 days
1884
22 days
1885
19 days
1886
16 days
1887
17 days
1888
20 days
1920
10 days
1921
13 days
1922
17 days
1923
19 days
1924
36 days
1925
11 days
1926
12 days
1927
13 days
1928
11 days
1929
14 days
1930
16 days
1931
14 days
1932
14 days
1933
20 days
1934
19 days
1935
17 days
1936
23 days
1937
12 days
1938
15 days
1939
16 days
1940
13 days
1941
20 days
1942
13 days
1944
10 days
1945
15 days
1946
21 days
1947
20 days
1948
20 days
1949
19 days
1950
24 days
1951
15 days
1952
19 days
1953
13 days
1954
15 days
1955
22 days
1956
19 days
1957
23 days
1958
14 days
1959
19 days
1960
18 days
1961
13 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
52 years with a frost
Across 52 years with a frost, the median last spring frost at Simcoe falls on 16 May and the median first autumn frost on 26 September, which leaves a median of 134 days between them.
Fitted over all years, the growing season changes by -1.5 days per decade at this station.
Frost dates and growing season at Simcoe
Measure
Median, all years
Earliest period
Recent period (1927 to 1960)
Recent against earliest
Fitted trend
Last spring frost
16 May
n/a
17 May
n/a
+0.6 days per decade
First autumn frost
26 September
n/a
25 September
n/a
-0.9 days per decade
Growing days
134 days
n/a
130 days
n/a
-1.5 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
56 years, 1867 to 1960
A day with at least 47.4 mm (1.9 in) of rain is expected about once in 2 years. A day with at least 125.5 mm (4.9 in) of rain is expected about once in 100 years.
Rainfall return levels at Simcoe: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
47.4 mm (1.9 in)
5 years
65.5 mm (2.6 in)
10 years
78.5 mm (3.1 in)
25 years
96.3 mm (3.8 in)
50 years
110.5 mm (4.4 in)
100 years
125.5 mm (4.9 in)
Longer than the 56 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, 56 years of values from 1867 to 1960.
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: 115.3 mm (4.5 in) in 1868; 102.9 mm (4.1 in) in 1945; 100.6 mm (4.0 in) in 1878.
Station Changes
2 suspected
2 changes were suspected in the annual mean temperature of Simcoe, at 1922 and 1945. Each is measured against neighbouring stations.
Relative to 5 neighbouring stations, the station's annual mean temperature from 1922 ran 0.3 C (0.6 F) higher than in the years before (likely change).
Relative to 5 neighbouring stations, the station's annual mean temperature from 1945 ran 0.5 C (1.0 F) lower than in the years before (likely change).
Suspected changes in the annual mean temperature at Simcoe, against neighbouring stations
Year
Shift (C)
Shift (F)
Strength
Neighbours
1922
+0.3
+0.6
likely
5
1945
-0.5
-1.0
likely
5
Possible change at the station (a move, a new instrument or a new site); the record is kept as measured. A "likely" change has a larger test statistic than a "possible" one. Neither says why the station differs from its neighbours. How changes are found, and the largest ones.
Download the Data
Data for Simcoe standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Simcoe 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.