Mertz Pondville Twr Threshold Days by Year (USC00015382)

5 fixed thresholds counted per year at Mertz Pondville Twr (USC00015382): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mertz Pondville Twr Thresholds

Mertz Pondville Twr: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1959 with 57.
Mertz Pondville Twr: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 1964 with 25.
Mertz Pondville Twr: days with 50 mm (1.97 in) or more of precipitation in 25 years, most in 1969 with 9.
Mertz Pondville Twr: days with 100 mm (3.94 in) or more of precipitation in 8 years, most in 1968 with 2.
5 fixed thresholds have at least one qualifying day at Mertz Pondville Twr.

Days with 10 mm (0.39 in) or more of precipitation

25 years with a qualifying day

Days per year at Mertz Pondville Twr with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 57 in 1959.

Days with 10 mm (0.39 in) or more of precipitation per year at Mertz Pondville Twr
Year	Days	Decade average
1941	33	48.6
1944	55	48.6
1945	45	48.6
1947	54	48.6
1948	56	48.6
1950	43	42.7
1951	39	42.7
1952	37	42.7
1953	45	42.7
1954	26	42.7
1955	42	42.7
1956	44	42.7
1957	49	42.7
1958	45	42.7
1959	57	42.7
1960	52	43.4
1961	49	43.4
1962	38	43.4
1963	41	43.4
1964	51	43.4
1965	37	43.4
1966	50	43.4
1967	40	43.4
1968	39	43.4
1969	37	43.4

For each year, a bar from the first to the last day at Mertz Pondville Twr meeting 10 mm (0.39 in).

First to last qualifying date each year at Mertz Pondville Twr
Year	First date	Last date
1941	1941-01-15	1941-12-23
1944	1944-01-02	1944-12-10
1945	1945-01-01	1945-12-31
1947	1947-01-02	1947-12-16
1948	1948-01-01	1948-12-29
1950	1950-01-07	1950-12-29
1951	1951-01-04	1951-12-26
1952	1952-01-05	1952-12-31
1953	1953-01-08	1953-12-29
1954	1954-01-11	1954-12-29
1955	1955-01-01	1955-12-19
1956	1956-01-19	1956-12-24
1957	1957-01-05	1957-12-26
1958	1958-01-21	1958-12-24
1959	1959-01-16	1959-12-26
1960	1960-01-03	1960-12-30
1961	1961-01-01	1961-12-28
1962	1962-01-01	1962-12-29
1963	1963-01-12	1963-12-14
1964	1964-01-01	1964-12-31
1965	1965-01-09	1965-12-19
1966	1966-01-03	1966-12-31
1967	1967-01-07	1967-12-28
1968	1968-01-04	1968-12-31
1969	1969-01-18	1969-12-30

Every Fixed Threshold

Fixed thresholds at Mertz Pondville Twr
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	25	57	1959	37
25 mm (0.98 in): Days with 25 mm or more rain	25	25	1964	19
50 mm (1.97 in): Days with 50 mm or more rain	25	9	1969	9
100 mm (3.94 in): Days with 100 mm or more rain	8	2	1968	2
10 cm (3.9 in): Days with 10 cm or more snowfall	1	1	1962	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

Download the Data

Data for Mertz Pondville Twr 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Mertz Pondville Twr Threshold Days by Year (USC00015382)

Key Facts for Mertz Pondville Twr Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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