Built 2026-10-19 (19 October 2026)

Francistown Threshold Days by Year (BC008948490)

12 fixed thresholds counted per year at Francistown (BC008948490): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Francistown Thresholds

  • Francistown: days with 10 mm (0.39 in) or more of precipitation in 71 years, most in 1948 with 28.
  • Francistown: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 1939 with 11.
  • Francistown: days with 50 mm (1.97 in) or more of precipitation in 45 years, most in 1928 with 4.
  • Francistown: nights with a minimum temperature at or above 20 C (68 F) in 28 years, most in 1987 with 88.
  • 12 fixed thresholds have at least one qualifying day at Francistown.
26 years with a qualifying day
Days at or above 30 C (86 F) per year at Francistown Days per year at Francistown with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 197 in 1983. 0501001502001959: 1331960: 1491961: 1301962: 1581963: 1291964: 1731965: 1601966: 1281967: 1231968: 1611969: 1201970: 1761971: 1591972: 1291973: 1521974: 881975: 1111976: 1181977: 1301978: 1121979: 1641980: 1591981: 1191982: 1751983: 1971984: 180195919621965196819711974197719801983
Days per year at Francistown with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 197 in 1983.
Days at or above 30 C (86 F) per year at Francistown
YearDaysDecade average
1959133133
1960149143.1
1961130143.1
1962158143.1
1963129143.1
1964173143.1
1965160143.1
1966128143.1
1967123143.1
1968161143.1
1969120143.1
1970176133.9
1971159133.9
1972129133.9
1973152133.9
197488133.9
1975111133.9
1976118133.9
1977130133.9
1978112133.9
1979164133.9
1980159166
1981119166
1982175166
1983197166
1984180166
First to last qualifying date each year at Francistown For each year, a bar from the first to the last day at Francistown meeting 30 C (86 F). 1959: 12 January 1959 to 31 December 19591960: 1 January 1960 to 28 December 19601961: 4 January 1961 to 29 December 19611962: 1 January 1962 to 23 December 19621963: 6 January 1963 to 31 December 19631964: 1 January 1964 to 27 December 19641965: 1 January 1965 to 30 December 19651966: 1 January 1966 to 31 December 19661967: 1 January 1967 to 31 December 19671968: 1 January 1968 to 30 December 19681969: 2 January 1969 to 31 December 19691970: 1 January 1970 to 28 December 19701971: 7 January 1971 to 31 December 19711972: 1 January 1972 to 31 December 19721973: 1 January 1973 to 15 December 19731974: 13 January 1974 to 29 December 19741975: 1 January 1975 to 31 December 19751976: 7 January 1976 to 31 December 19761977: 2 January 1977 to 14 December 19771978: 6 January 1978 to 31 December 19781979: 1 January 1979 to 31 December 19791980: 1 January 1980 to 31 December 19801981: 1 January 1981 to 31 December 19811982: 1 January 1982 to 31 December 19821983: 1 January 1983 to 31 December 19831984: 1 January 1984 to 31 December 19841959196319671971197519791983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Francistown meeting 30 C (86 F).
First to last qualifying date each year at Francistown
YearFirst dateLast date
19591959-01-121959-12-31
19601960-01-011960-12-28
19611961-01-041961-12-29
19621962-01-011962-12-23
19631963-01-061963-12-31
19641964-01-011964-12-27
19651965-01-011965-12-30
19661966-01-011966-12-31
19671967-01-011967-12-31
19681968-01-011968-12-30
19691969-01-021969-12-31
19701970-01-011970-12-28
19711971-01-071971-12-31
19721972-01-011972-12-31
19731973-01-011973-12-15
19741974-01-131974-12-29
19751975-01-011975-12-31
19761976-01-071976-12-31
19771977-01-021977-12-14
19781978-01-061978-12-31
19791979-01-011979-12-31
19801980-01-011980-12-31
19811981-01-011981-12-31
19821982-01-011982-12-31
19831983-01-011983-12-31
19841984-01-011984-12-31

Every Fixed Threshold

Fixed thresholds at Francistown
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days261971983180
35 C (95 F): Days2658198347
40 C (104 F): Days4119621
90 F (32.2 C): Days261341983121
100 F (37.8 C): Days241219685
0 C (32 F): Frost days (min2017197510
20 C (68 F): Tropical nights (min2888198726
25 C (77 F): Days with min9519871
10 mm (0.39 in): Days with 10 mm or more rain7128194815
25 mm (0.98 in): Days with 25 mm or more rain701119395
50 mm (1.97 in): Days with 50 mm or more rain45419281
100 mm (3.94 in): Days with 100 mm or more rain5119231

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

Download the Data

  • Data for Francistown 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 . Last revised (2026-10-17).