Built 2026-10-19 (19 October 2026)

Middleburg Threshold Days by Year (USC00305291)

16 fixed thresholds counted per year at Middleburg (USC00305291): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Middleburg Thresholds

  • Middleburg: days with 10 mm (0.39 in) or more of precipitation in 24 years, most in 1945 with 38.
  • Middleburg: days with 25 mm (0.98 in) or more of precipitation in 24 years, most in 1945 with 11.
  • Middleburg: nights with a minimum temperature at or below 0 C (32 F) in 23 years, most in 1956 with 186.
  • Middleburg: nights with a minimum temperature at or below -10 C (14 F) in 23 years, most in 1960 with 74.
  • 16 fixed thresholds have at least one qualifying day at Middleburg.
22 years with a qualifying day
Days at or above 30 C (86 F) per year at Middleburg Days per year at Middleburg with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 66 in 1949. 0204060801943: 341944: 521945: 401946: 301948: 231949: 661950: 271951: 341952: 371953: 421954: 241955: 501956: 211957: 291958: 291959: 661960: 141961: 311962: 281963: 151964: 361968: 2419431946195019531956195919621968
Days per year at Middleburg with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 66 in 1949.
Days at or above 30 C (86 F) per year at Middleburg
YearDaysDecade average
19433440.8
19445240.8
19454040.8
19463040.8
19482340.8
19496640.8
19502735.9
19513435.9
19523735.9
19534235.9
19542435.9
19555035.9
19562135.9
19572935.9
19582935.9
19596635.9
19601424.7
19613124.7
19622824.7
19631524.7
19643624.7
19682424.7
First to last qualifying date each year at Middleburg For each year, a bar from the first to the last day at Middleburg meeting 30 C (86 F). 1943: 18 May 1943 to 8 September 19431944: 4 May 1944 to 2 September 19441945: 13 April 1945 to 28 September 19451946: 25 May 1946 to 20 September 19461948: 5 June 1948 to 14 September 19481949: 5 May 1949 to 12 October 19491950: 8 June 1950 to 3 October 19501951: 17 May 1951 to 6 October 19511952: 4 June 1952 to 14 September 19521953: 11 May 1953 to 6 September 19531954: 23 April 1954 to 13 October 19541955: 5 May 1955 to 20 September 19551956: 13 June 1956 to 6 September 19561957: 12 June 1957 to 23 September 19571958: 2 June 1958 to 26 September 19581959: 8 May 1959 to 29 September 19591960: 18 June 1960 to 9 September 19601961: 15 May 1961 to 25 September 19611962: 27 April 1962 to 14 September 19621963: 25 June 1963 to 8 October 19631964: 9 May 1964 to 25 September 19641968: 7 June 1968 to 26 August 196819431946195019531956195919621968JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Middleburg meeting 30 C (86 F).
First to last qualifying date each year at Middleburg
YearFirst dateLast date
19431943-05-181943-09-08
19441944-05-041944-09-02
19451945-04-131945-09-28
19461946-05-251946-09-20
19481948-06-051948-09-14
19491949-05-051949-10-12
19501950-06-081950-10-03
19511951-05-171951-10-06
19521952-06-041952-09-14
19531953-05-111953-09-06
19541954-04-231954-10-13
19551955-05-051955-09-20
19561956-06-131956-09-06
19571957-06-121957-09-23
19581958-06-021958-09-26
19591959-05-081959-09-29
19601960-06-181960-09-09
19611961-05-151961-09-25
19621962-04-271962-09-14
19631963-06-251963-10-08
19641964-05-091964-09-25
19681968-06-071968-08-26

Every Fixed Threshold

Fixed thresholds at Middleburg
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2266194924
35 C (95 F): Days141119441
90 F (32.2 C): Days2236194914
100 F (37.8 C): Days2119441
0 C (32 F): Ice days (max2261194353
0 C (32 F): Frost days (min231861956138
-10 C (14 F): Days with min2374196064
-20 C (-4 F): Days with min1925196315
-30 C (-22 F): Days with min4319683
20 C (68 F): Tropical nights (min14919444
10 mm (0.39 in): Days with 10 mm or more rain2438194535
25 mm (0.98 in): Days with 25 mm or more rain241119455
50 mm (1.97 in): Days with 50 mm or more rain14319602
10 cm (3.9 in): Days with 10 cm or more snowfall19819592
25 cm (9.8 in): Days with 25 cm or more snowfall9319582
50 cm (19.7 in): Days with 50 cm or more snowfall1119581

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1943.

Download the Data

  • Data for Middleburg 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 (2025-12-31).