Morobay Lock Threshold Days by Year (USC00034934)

16 fixed thresholds counted per year at Morobay Lock (USC00034934): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Morobay Lock Thresholds

Morobay Lock: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1945 with 55.
Morobay Lock: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1973 with 28.
Morobay Lock: days with 50 mm (1.97 in) or more of precipitation in 40 years, most in 1958 with 10.
Morobay Lock: days with a maximum temperature at or above 30 C (86 F) in 20 years, most in 1963 with 144.
16 fixed thresholds have at least one qualifying day at Morobay Lock.

Days at or above 30 C (86 F)

20 years with a qualifying day

Days per year at Morobay Lock with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 144 in 1963.

Days at or above 30 C (86 F) per year at Morobay Lock
Year	Days	Decade average
1963	144	119
1964	119	119
1965	126	119
1966	106	119
1967	114	119
1968	105	119
1969	119	119
1970	122	112.7
1971	116	112.7
1972	138	112.7
1973	115	112.7
1974	97	112.7
1976	93	112.7
1977	136	112.7
1978	110	112.7
1979	87	112.7
1980	129	124.3
1981	122	124.3
1982	133	124.3
1983	113	124.3

For each year, a bar from the first to the last day at Morobay Lock meeting 30 C (86 F).

First to last qualifying date each year at Morobay Lock
Year	First date	Last date
1963	1963-03-31	1963-10-28
1964	1964-05-03	1964-10-18
1965	1965-04-09	1965-11-27
1966	1966-04-01	1966-10-09
1967	1967-03-11	1967-10-15
1968	1968-05-14	1968-10-15
1969	1969-05-21	1969-10-13
1970	1970-05-01	1970-10-06
1971	1971-03-15	1971-10-29
1972	1972-03-28	1972-10-19
1973	1973-05-10	1973-10-10
1974	1974-03-20	1974-10-19
1976	1976-05-23	1976-10-05
1977	1977-02-26	1977-10-09
1978	1978-04-07	1978-10-22
1979	1979-05-19	1979-10-22
1980	1980-04-22	1980-10-11
1981	1981-03-31	1981-10-18
1982	1982-03-19	1982-10-10
1983	1983-05-07	1983-10-20

Every Fixed Threshold

Fixed thresholds at Morobay Lock
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	20	144	1963	113
35 C (95 F): Days	20	76	1980	40
40 C (104 F): Days	4	5	1980	5
90 F (32.2 C): Days	20	104	1972	78
100 F (37.8 C): Days	14	26	1980	4
0 C (32 F): Ice days (max	18	11	1983	11
0 C (32 F): Frost days (min	20	91	1978	69
-10 C (14 F): Days with min	13	17	1963	6
20 C (68 F): Tropical nights (min	20	88	1977	29
25 C (77 F): Days with min	3	6	1980	1
10 mm (0.39 in): Days with 10 mm or more rain	42	55	1945	40
25 mm (0.98 in): Days with 25 mm or more rain	42	28	1973	17
50 mm (1.97 in): Days with 50 mm or more rain	40	10	1958	5
100 mm (3.94 in): Days with 100 mm or more rain	14	2	1957	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1974	1
10 cm (3.9 in): Days with 10 cm or more snowfall	5	2	1963	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

Data for Morobay Lock 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).

Morobay Lock Threshold Days by Year (USC00034934)

Key Facts for Morobay Lock Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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