Zamora (Obs) Weather Records (MXN00016143)
Record envelope, standing records and threshold days for Zamora (Obs) (MXN00016143), Mexico, with 39 years of record.
Key Facts for Zamora (Obs)
- Zamora (Obs) (MXN00016143) is a weather station in Mexico at 20.00 latitude and -102.27 longitude, 1,564 m (5,131 ft) above sea level.
- The station reports from 1922 to 1960, 39 years of record.
- 1,464 records set at Zamora (Obs) still stand.
- Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
- Zamora (Obs) tied a daily record high maximum temperature of 28.9 C (84.0 F) on 31 December 1960.
About the Station
- Location: Mexico, 20.00 latitude, -102.27 longitude.
- Elevation: 1,564 m (5,131 ft).
- Period of record: 1922 to 1960, 39 years.
- Eligible elements: tmax, tmin, prcp.
Daily Record Envelope and 2026
0 days at or beyond a record| Month | Highest record high | Lowest record low | 2026 highest maximum | 2026 lowest minimum |
|---|---|---|---|---|
| Jan | 32.8 C (91.0 F) | -3.3 C (26.1 F) | n/a | n/a |
| Feb | 33.9 C (93.0 F) | 0.6 C (33.1 F) | n/a | n/a |
| Mar | 36.7 C (98.1 F) | 2.8 C (37.0 F) | n/a | n/a |
| Apr | 38.9 C (102.0 F) | 5.6 C (42.1 F) | n/a | n/a |
| May | 42.2 C (108.0 F) | 8.9 C (48.0 F) | n/a | n/a |
| Jun | 40.0 C (104.0 F) | 10.0 C (50.0 F) | n/a | n/a |
| Jul | 36.7 C (98.1 F) | 10.0 C (50.0 F) | n/a | n/a |
| Aug | 38.9 C (102.0 F) | 10.0 C (50.0 F) | n/a | n/a |
| Sep | 35.6 C (96.1 F) | 8.3 C (46.9 F) | n/a | n/a |
| Oct | 34.4 C (93.9 F) | 5.6 C (42.1 F) | n/a | n/a |
| Nov | 35.0 C (95.0 F) | 0.6 C (33.1 F) | n/a | n/a |
| Dec | 32.8 C (91.0 F) | 0.0 C (32.0 F) | n/a | n/a |
Which Years Hold Standing Records
1,464 standing records| Year set | Standing records |
|---|---|
| 1922 | 43 |
| 1923 | 91 |
| 1924 | 155 |
| 1925 | 102 |
| 1926 | 31 |
| 1927 | 10 |
| 1928 | 63 |
| 1929 | 44 |
| 1930 | 68 |
| 1931 | 34 |
| 1932 | 19 |
| 1933 | 19 |
| 1934 | 9 |
| 1935 | 10 |
| 1936 | 5 |
| 1937 | 21 |
| 1938 | 13 |
| 1939 | 5 |
| 1940 | 14 |
| 1941 | 11 |
| 1942 | 15 |
| 1943 | 10 |
| 1944 | 28 |
| 1945 | 33 |
| 1946 | 28 |
| 1947 | 59 |
| 1948 | 28 |
| 1949 | 23 |
| 1950 | 19 |
| 1951 | 52 |
| 1952 | 18 |
| 1953 | 47 |
| 1954 | 38 |
| 1955 | 28 |
| 1956 | 31 |
| 1957 | 50 |
| 1958 | 45 |
| 1959 | 49 |
| 1960 | 96 |
All-Time Record Progression
4 new records| Date | Kind | Detail |
|---|---|---|
| 1953-05-21 | Record high maximum temperature | Record high maximum temperature 42.2 C (108.0 F) |
| 1953-11-12 | Record low minimum temperature | Record low minimum temperature 0.6 C (33.1 F) |
| 1953-12-13 | Record low minimum temperature | Record low minimum temperature 0.0 C (32.0 F) |
| 1955-01-25 | Record low minimum temperature | Record low minimum temperature -3.3 C (26.1 F) |
Wettest Day of Each Month
Mar: 89.9 mm (3.5 in)| Month | Record daily precipitation (mm) | Date |
|---|---|---|
| Jan | 39.9 mm (1.6 in) | 4 January 1958 |
| Feb | 21.6 mm (0.9 in) | 26 February 1931 |
| Mar | 89.9 mm (3.5 in) | 30 March 1927 |
| Apr | 40.1 mm (1.6 in) | 19 April 1930 |
| May | 47.5 mm (1.9 in) | 31 May 1958 |
| Jun | 66.8 mm (2.6 in) | 27 June 1959 |
| Jul | 45.0 mm (1.8 in) | 2 July 1933 |
| Aug | 74.2 mm (2.9 in) | 21 August 1942 |
| Sep | 68.3 mm (2.7 in) | 20 September 1922 |
| Oct | 62.5 mm (2.5 in) | 15 October 1923 |
| Nov | 34.3 mm (1.4 in) | 2 November 1958 |
| Dec | 30.0 mm (1.2 in) | 28 December 1925 |
Period of Record Coverage
1922 to 1960| Year | Days with data | Share of year | Complete |
|---|---|---|---|
| 1922 | 245 | 67% | No |
| 1923 | 365 | 100% | Yes |
| 1924 | 363 | 99% | Yes |
| 1925 | 365 | 100% | Yes |
| 1926 | 365 | 100% | Yes |
| 1927 | 365 | 100% | Yes |
| 1928 | 366 | 100% | Yes |
| 1929 | 365 | 100% | Yes |
| 1930 | 365 | 100% | Yes |
| 1931 | 365 | 100% | Yes |
| 1932 | 366 | 100% | Yes |
| 1933 | 365 | 100% | Yes |
| 1934 | 365 | 100% | Yes |
| 1935 | 365 | 100% | Yes |
| 1936 | 366 | 100% | Yes |
| 1937 | 365 | 100% | Yes |
| 1938 | 365 | 100% | Yes |
| 1939 | 365 | 100% | Yes |
| 1940 | 366 | 100% | Yes |
| 1941 | 365 | 100% | Yes |
| 1942 | 365 | 100% | Yes |
| 1943 | 365 | 100% | Yes |
| 1944 | 366 | 100% | Yes |
| 1945 | 365 | 100% | Yes |
| 1946 | 365 | 100% | Yes |
| 1947 | 365 | 100% | Yes |
| 1948 | 366 | 100% | Yes |
| 1949 | 365 | 100% | Yes |
| 1950 | 365 | 100% | Yes |
| 1951 | 365 | 100% | Yes |
| 1952 | 152 | 42% | No |
| 1953 | 365 | 100% | Yes |
| 1954 | 365 | 100% | Yes |
| 1955 | 365 | 100% | Yes |
| 1956 | 365 | 100% | Yes |
| 1957 | 365 | 100% | Yes |
| 1958 | 365 | 100% | Yes |
| 1959 | 365 | 100% | Yes |
| 1960 | 365 | 100% | Yes |
Latest Records
20| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 31 December 1960 | Zamora (Obs), MX | daily high max (Tie) | 28.9 C (84.0 F) | tie | 3 years | 0 of 100 (Routine) |
| 30 December 1960 | Zamora (Obs), MX | daily high max | 30.0 C (86.0 F) | 1.1 C (2.0 F) | 6 years | 8 of 100 (Routine) |
| 29 December 1960 | Zamora (Obs), MX | daily high max (Tie) | 30.0 C (86.0 F) | tie | 12 years | 1 of 100 (Routine) |
| 21 December 1960 | Zamora (Obs), MX | daily rain | 7.9 mm (0.31 in) | 1.0 mm (0.04 in) | 36 years | 14 of 100 (Routine) |
| 19 December 1960 | Zamora (Obs), MX | daily high max | 31.7 C (89.1 F) | 2.3 C (4.1 F) | 28 years | 19 of 100 (Routine) |
| 18 December 1960 | Zamora (Obs), MX | daily high max (Tie) | 31.1 C (88.0 F) | tie | 9 years | 1 of 100 (Routine) |
| 17 December 1960 | Zamora (Obs), MX | daily high max | 31.7 C (89.1 F) | 0.6 C (1.1 F) | 3 years | 5 of 100 (Routine) |
| 16 December 1960 | Zamora (Obs), MX | daily high max (Tie) | 31.1 C (88.0 F) | tie | 3 years | 0 of 100 (Routine) |
| 13 December 1960 | Zamora (Obs), MX | daily high min (Tie) | 11.7 C (53.1 F) | tie | 35 years | 3 of 100 (Routine) |
| 1 December 1960 | Zamora (Obs), MX | daily high max | 31.1 C (88.0 F) | 0.5 C (0.9 F) | 6 years | 5 of 100 (Routine) |
| 30 November 1960 | Zamora (Obs), MX | daily high max | 32.2 C (90.0 F) | 1.6 C (2.9 F) | 6 years | 10 of 100 (Routine) |
| 29 November 1960 | Zamora (Obs), MX | daily high max | 31.7 C (89.1 F) | 1.7 C (3.1 F) | 2 years | 9 of 100 (Routine) |
| 28 November 1960 | Zamora (Obs), MX | daily high max | 32.2 C (90.0 F) | 2.2 C (4.0 F) | 12 years | 14 of 100 (Routine) |
| 27 November 1960 | Zamora (Obs), MX | daily high max | 32.8 C (91.0 F) | 2.2 C (4.0 F) | 12 years | 14 of 100 (Routine) |
| 26 November 1960 | Zamora (Obs), MX | daily high max | 34.4 C (93.9 F) | 3.8 C (6.8 F) | 1 year | 17 of 100 (Routine) |
| 25 November 1960 | Zamora (Obs), MX | daily high max | 33.3 C (91.9 F) | 1.6 C (2.9 F) | 7 years | 11 of 100 (Routine) |
| 24 November 1960 | Zamora (Obs), MX | daily high max | 32.8 C (91.0 F) | 2.2 C (4.0 F) | 9 years | 13 of 100 (Routine) |
| 23 November 1960 | Zamora (Obs), MX | daily high max | 32.8 C (91.0 F) | 2.8 C (5.0 F) | 12 years | 16 of 100 (Routine) |
| 22 November 1960 | Zamora (Obs), MX | daily high max | 32.2 C (90.0 F) | 0.5 C (0.9 F) | 2 years | 4 of 100 (Routine) |
| 21 November 1960 | Zamora (Obs), MX | daily high max | 31.1 C (88.0 F) | 0.5 C (0.9 F) | 4 years | 5 of 100 (Routine) |
Climate Trend
37 complete years, 1923 to 1960| Year | Annual mean temperature | Difference from the station mean |
|---|---|---|
| 1923 | 17.9 C | -2.35 C |
| 1924 | 16.9 C | -3.39 C |
| 1925 | 20.4 C | +0.11 C |
| 1926 | 20.0 C | -0.21 C |
| 1927 | 20.2 C | -0.05 C |
| 1928 | 20.4 C | +0.18 C |
| 1929 | 20.7 C | +0.46 C |
| 1930 | 20.6 C | +0.38 C |
| 1931 | 19.7 C | -0.56 C |
| 1932 | 20.1 C | -0.10 C |
| 1933 | 21.0 C | +0.72 C |
| 1934 | 20.3 C | +0.04 C |
| 1935 | 20.2 C | -0.09 C |
| 1936 | 20.5 C | +0.30 C |
| 1937 | 20.6 C | +0.32 C |
| 1938 | 19.9 C | -0.31 C |
| 1939 | 20.1 C | -0.10 C |
| 1940 | 19.9 C | -0.31 C |
| 1941 | 20.2 C | -0.01 C |
| 1942 | 20.4 C | +0.16 C |
| 1943 | 19.7 C | -0.55 C |
| 1944 | 20.3 C | +0.06 C |
| 1945 | 20.8 C | +0.51 C |
| 1946 | 20.4 C | +0.11 C |
| 1947 | 19.5 C | -0.77 C |
| 1948 | 19.9 C | -0.38 C |
| 1949 | 20.3 C | +0.02 C |
| 1950 | 19.4 C | -0.83 C |
| 1951 | 19.1 C | -1.10 C |
| 1953 | 21.1 C | +0.84 C |
| 1954 | 21.2 C | +0.93 C |
| 1955 | 20.9 C | +0.66 C |
| 1956 | 20.7 C | +0.49 C |
| 1957 | 21.3 C | +1.07 C |
| 1958 | 21.2 C | +0.94 C |
| 1959 | 21.4 C | +1.13 C |
| 1960 | 21.9 C | +1.70 C |
The annual mean temperature here has risen by 0.4 C (0.2 to 0.7) per decade over 1923 to 1960. In Fahrenheit: 0.8 F (0.3 to 1.2) per decade. The slope is a straight line fitted to 37 complete years; the brackets give its 95 percent interval.
| Measure | Per decade (C) | Per decade (F) | Period | Complete years | Reading |
|---|---|---|---|---|---|
| Annual mean temperature | 0.4 C (0.2 to 0.7) per decade | 0.8 F (0.3 to 1.2) per decade | 1923 to 1960 | 37 | Rise |
| Mean daily maximum | 1.4 C (1.1 to 1.7) per decade | 2.5 F (2.0 to 3.1) per decade | 1923 to 1960 | 37 | Rise |
| Mean daily minimum | -0.6 C (-0.8 to -0.3) per decade | -1.0 F (-1.5 to -0.5) per decade | 1923 to 1960 | 37 | Fall |
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
1922 to 1960| Measure | Record | Year of the record | Median year | Years with a value |
|---|---|---|---|---|
| Hottest day (TXx) | 42.2 C (108.0 F) | 1953 | 36.7 C (98.1 F) | 39 |
| Coldest night (TNn) | -3.3 C (26.1 F) | 1955 | 3.9 C (39.0 F) | 39 |
| Wettest day (Rx1day) | 89.9 mm (3.5 in) | 1927 | 38.9 mm (1.5 in) | 39 |
| Wettest five days (Rx5day) | 113.7 mm (4.5 in) | 1955 | 77.0 mm (3.0 in) | 39 |
| Longest dry spell (CDD) | 149 days | 1926 | 67 days | 39 |
Hottest day (TXx)
| Year | Hottest day (TXx) |
|---|---|
| 1922 | 30.6 C (87.1 F) |
| 1923 | 30.6 C (87.1 F) |
| 1924 | 30.6 C (87.1 F) |
| 1925 | 33.9 C (93.0 F) |
| 1926 | 32.2 C (90.0 F) |
| 1927 | 34.4 C (93.9 F) |
| 1928 | 34.4 C (93.9 F) |
| 1929 | 34.4 C (93.9 F) |
| 1930 | 33.9 C (93.0 F) |
| 1931 | 32.8 C (91.0 F) |
| 1932 | 37.2 C (99.0 F) |
| 1933 | 37.2 C (99.0 F) |
| 1934 | 35.0 C (95.0 F) |
| 1935 | 35.6 C (96.1 F) |
| 1936 | 37.2 C (99.0 F) |
| 1937 | 35.0 C (95.0 F) |
| 1938 | 35.0 C (95.0 F) |
| 1939 | 35.6 C (96.1 F) |
| 1940 | 38.3 C (100.9 F) |
| 1941 | 36.7 C (98.1 F) |
| 1942 | 37.2 C (99.0 F) |
| 1943 | 37.2 C (99.0 F) |
| 1944 | 36.7 C (98.1 F) |
| 1945 | 37.2 C (99.0 F) |
| 1946 | 38.9 C (102.0 F) |
| 1947 | 35.0 C (95.0 F) |
| 1948 | 35.0 C (95.0 F) |
| 1949 | 38.3 C (100.9 F) |
| 1950 | 35.6 C (96.1 F) |
| 1951 | 37.2 C (99.0 F) |
| 1952 | 36.1 C (97.0 F) |
| 1953 | 42.2 C (108.0 F) |
| 1954 | 39.4 C (102.9 F) |
| 1955 | 39.4 C (102.9 F) |
| 1956 | 38.3 C (100.9 F) |
| 1957 | 40.0 C (104.0 F) |
| 1958 | 38.9 C (102.0 F) |
| 1959 | 38.3 C (100.9 F) |
| 1960 | 39.4 C (102.9 F) |
Coldest night (TNn)
| Year | Coldest night (TNn) |
|---|---|
| 1922 | 5.6 C (42.1 F) |
| 1923 | 5.6 C (42.1 F) |
| 1924 | 3.9 C (39.0 F) |
| 1925 | 1.7 C (35.1 F) |
| 1926 | 3.9 C (39.0 F) |
| 1927 | 5.6 C (42.1 F) |
| 1928 | 4.4 C (39.9 F) |
| 1929 | 5.0 C (41.0 F) |
| 1930 | 5.0 C (41.0 F) |
| 1931 | 5.0 C (41.0 F) |
| 1932 | 3.3 C (37.9 F) |
| 1933 | 5.0 C (41.0 F) |
| 1934 | 4.4 C (39.9 F) |
| 1935 | 2.8 C (37.0 F) |
| 1936 | 6.7 C (44.1 F) |
| 1937 | 3.9 C (39.0 F) |
| 1938 | 4.4 C (39.9 F) |
| 1939 | 4.4 C (39.9 F) |
| 1940 | 3.3 C (37.9 F) |
| 1941 | 3.9 C (39.0 F) |
| 1942 | 3.9 C (39.0 F) |
| 1943 | 3.9 C (39.0 F) |
| 1944 | 3.3 C (37.9 F) |
| 1945 | 5.0 C (41.0 F) |
| 1946 | 4.4 C (39.9 F) |
| 1947 | 5.0 C (41.0 F) |
| 1948 | 4.4 C (39.9 F) |
| 1949 | 5.0 C (41.0 F) |
| 1950 | 3.3 C (37.9 F) |
| 1951 | 3.3 C (37.9 F) |
| 1952 | 3.3 C (37.9 F) |
| 1953 | 0.0 C (32.0 F) |
| 1954 | 1.1 C (34.0 F) |
| 1955 | -3.3 C (26.1 F) |
| 1956 | -1.1 C (30.0 F) |
| 1957 | 0.0 C (32.0 F) |
| 1958 | 1.7 C (35.1 F) |
| 1959 | 1.7 C (35.1 F) |
| 1960 | 0.6 C (33.1 F) |
Wettest day (Rx1day)
| Year | Wettest day (Rx1day) |
|---|---|
| 1922 | 68.3 mm (2.7 in) |
| 1923 | 62.5 mm (2.5 in) |
| 1924 | 58.9 mm (2.3 in) |
| 1925 | 38.9 mm (1.5 in) |
| 1926 | 55.4 mm (2.2 in) |
| 1927 | 89.9 mm (3.5 in) |
| 1928 | 30.0 mm (1.2 in) |
| 1929 | 39.9 mm (1.6 in) |
| 1930 | 40.1 mm (1.6 in) |
| 1931 | 42.4 mm (1.7 in) |
| 1932 | 36.3 mm (1.4 in) |
| 1933 | 50.5 mm (2.0 in) |
| 1934 | 24.9 mm (1.0 in) |
| 1935 | 31.8 mm (1.3 in) |
| 1936 | 28.4 mm (1.1 in) |
| 1937 | 43.2 mm (1.7 in) |
| 1938 | 34.3 mm (1.4 in) |
| 1939 | 40.4 mm (1.6 in) |
| 1940 | 23.1 mm (0.9 in) |
| 1941 | 25.4 mm (1.0 in) |
| 1942 | 74.2 mm (2.9 in) |
| 1943 | 24.9 mm (1.0 in) |
| 1944 | 30.5 mm (1.2 in) |
| 1945 | 33.3 mm (1.3 in) |
| 1946 | 19.8 mm (0.8 in) |
| 1947 | 19.8 mm (0.8 in) |
| 1948 | 22.9 mm (0.9 in) |
| 1949 | 33.8 mm (1.3 in) |
| 1950 | 25.9 mm (1.0 in) |
| 1951 | 34.8 mm (1.4 in) |
| 1952 | 15.0 mm (0.6 in) |
| 1953 | 44.5 mm (1.8 in) |
| 1954 | 45.0 mm (1.8 in) |
| 1955 | 41.9 mm (1.6 in) |
| 1956 | 37.3 mm (1.5 in) |
| 1957 | 49.8 mm (2.0 in) |
| 1958 | 53.3 mm (2.1 in) |
| 1959 | 66.8 mm (2.6 in) |
| 1960 | 41.9 mm (1.6 in) |
Wettest five days (Rx5day)
| Year | Wettest five days (Rx5day) |
|---|---|
| 1922 | 91.7 mm (3.6 in) |
| 1923 | 88.4 mm (3.5 in) |
| 1924 | 97.6 mm (3.8 in) |
| 1925 | 82.3 mm (3.2 in) |
| 1926 | 112.6 mm (4.4 in) |
| 1927 | 89.9 mm (3.5 in) |
| 1928 | 65.2 mm (2.6 in) |
| 1929 | 69.1 mm (2.7 in) |
| 1930 | 81.4 mm (3.2 in) |
| 1931 | 113.1 mm (4.5 in) |
| 1932 | 79.0 mm (3.1 in) |
| 1933 | 76.1 mm (3.0 in) |
| 1934 | 64.0 mm (2.5 in) |
| 1935 | 80.7 mm (3.2 in) |
| 1936 | 77.0 mm (3.0 in) |
| 1937 | 78.0 mm (3.1 in) |
| 1938 | 70.8 mm (2.8 in) |
| 1939 | 63.6 mm (2.5 in) |
| 1940 | 49.5 mm (1.9 in) |
| 1941 | 58.9 mm (2.3 in) |
| 1942 | 80.0 mm (3.1 in) |
| 1943 | 54.4 mm (2.1 in) |
| 1944 | 78.7 mm (3.1 in) |
| 1945 | 54.6 mm (2.1 in) |
| 1946 | 37.6 mm (1.5 in) |
| 1947 | 43.4 mm (1.7 in) |
| 1948 | 54.4 mm (2.1 in) |
| 1949 | 68.6 mm (2.7 in) |
| 1950 | 49.5 mm (1.9 in) |
| 1951 | 51.6 mm (2.0 in) |
| 1952 | 21.6 mm (0.9 in) |
| 1953 | 92.2 mm (3.6 in) |
| 1954 | 75.5 mm (3.0 in) |
| 1955 | 113.7 mm (4.5 in) |
| 1956 | 101.6 mm (4.0 in) |
| 1957 | 96.8 mm (3.8 in) |
| 1958 | 72.4 mm (2.9 in) |
| 1959 | 99.8 mm (3.9 in) |
| 1960 | 91.7 mm (3.6 in) |
Longest dry spell (CDD)
| Year | Longest dry spell (CDD) |
|---|---|
| 1922 | 26 days |
| 1923 | 45 days |
| 1924 | 101 days |
| 1925 | 59 days |
| 1926 | 149 days |
| 1927 | 46 days |
| 1928 | 71 days |
| 1929 | 100 days |
| 1930 | 80 days |
| 1931 | 83 days |
| 1932 | 53 days |
| 1933 | 125 days |
| 1934 | 77 days |
| 1935 | 60 days |
| 1936 | 37 days |
| 1937 | 60 days |
| 1938 | 72 days |
| 1939 | 63 days |
| 1940 | 69 days |
| 1941 | 45 days |
| 1942 | 102 days |
| 1943 | 46 days |
| 1944 | 26 days |
| 1945 | 40 days |
| 1946 | 41 days |
| 1947 | 108 days |
| 1948 | 24 days |
| 1949 | 68 days |
| 1950 | 55 days |
| 1951 | 67 days |
| 1952 | 31 days |
| 1953 | 42 days |
| 1954 | 71 days |
| 1955 | 90 days |
| 1956 | 81 days |
| 1957 | 95 days |
| 1958 | 87 days |
| 1959 | 42 days |
| 1960 | 97 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
37 years, 1923 to 1960A day with at least 37.3 mm (1.5 in) of rain is expected about once in 2 years. A day with at least 94.9 mm (3.7 in) of rain is expected about once in 100 years.
| Expected about once in | A day with at least | Note |
|---|---|---|
| 2 years | 37.3 mm (1.5 in) | |
| 5 years | 51.1 mm (2.0 in) | |
| 10 years | 60.9 mm (2.4 in) | |
| 25 years | 73.9 mm (2.9 in) | |
| 50 years | 84.2 mm (3.3 in) | Longer than the 37 years of record |
| 100 years | 94.9 mm (3.7 in) | Longer than the 37 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, 37 years of values from 1923 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: 89.9 mm (3.5 in) in 1927; 74.2 mm (2.9 in) in 1942; 66.8 mm (2.6 in) in 1959.
Download the Data
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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.
Data as of . Last revised (2025-12-31).