Built 2026-10-19 (19 October 2026)

Paradise Valley 1 NW Threshold Days by Year (USC00266005)

16 fixed thresholds counted per year at Paradise Valley 1 NW (USC00266005): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Paradise Valley 1 NW Thresholds

  • Paradise Valley 1 NW: days with 10 mm (0.39 in) or more of precipitation in 79 years, most in 1907 with 16.
  • Paradise Valley 1 NW: nights with a minimum temperature at or below 0 C (32 F) in 52 years, most in 1916 with 241.
  • Paradise Valley 1 NW: nights with a minimum temperature at or below -10 C (14 F) in 52 years, most in 1917 with 74.
  • Paradise Valley 1 NW: days with a maximum temperature at or above 30 C (86 F) in 50 years, most in 1988 with 100.
  • 16 fixed thresholds have at least one qualifying day at Paradise Valley 1 NW.
50 years with a qualifying day
Days at or above 30 C (86 F) per year at Paradise Valley 1 NW Days per year at Paradise Valley 1 NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 100 in 1988. 02550751001894: 821915: 561916: 561917: 521956: 591957: 571958: 661959: 741960: 791961: 761962: 681963: 661964: 611965: 381966: 851967: 871968: 641969: 651970: 741971: 581972: 641973: 721974: 841975: 521976: 451977: 691978: 441979: 801980: 621981: 881982: 461983: 301984: 591985: 621986: 641987: 841988: 1001989: 661990: 731991: 761992: 871994: 931995: 631999: 712001: 942003: 1002004: 762006: 762007: 902008: 801894195719621967197219771982198719922003
Days per year at Paradise Valley 1 NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 100 in 1988.
Days at or above 30 C (86 F) per year at Paradise Valley 1 NW
YearDaysDecade average
18948282
19155654.7
19165654.7
19175254.7
19565964
19575764
19586664
19597464
19607968.9
19617668.9
19626868.9
19636668.9
19646168.9
19653868.9
19668568.9
19678768.9
19686468.9
19696568.9
19707464.2
19715864.2
19726464.2
19737264.2
19748464.2
19755264.2
19764564.2
19776964.2
19784464.2
19798064.2
19806266.1
19818866.1
19824666.1
19833066.1
19845966.1
19856266.1
19866466.1
19878466.1
198810066.1
19896666.1
19907377.2
19917677.2
19928777.2
19949377.2
19956377.2
19997177.2
20019486
200310086
20047686
20067686
20079086
20088086
First to last qualifying date each year at Paradise Valley 1 NW For each year, a bar from the first to the last day at Paradise Valley 1 NW meeting 30 C (86 F). 1894: 24 May 1894 to 16 October 18941915: 22 June 1915 to 20 September 19151916: 14 June 1916 to 21 September 19161917: 2 July 1917 to 29 September 19171956: 22 May 1956 to 18 September 19561957: 1 June 1957 to 24 September 19571958: 18 May 1958 to 5 October 19581959: 12 May 1959 to 12 September 19591960: 11 May 1960 to 27 September 19601961: 25 May 1961 to 5 September 19611962: 20 June 1962 to 25 September 19621963: 20 May 1963 to 3 October 19631964: 23 June 1964 to 7 October 19641965: 11 June 1965 to 8 October 19651966: 3 May 1966 to 1 October 19661967: 21 May 1967 to 28 September 19671968: 2 June 1968 to 11 September 19681969: 23 May 1969 to 27 September 19691970: 2 June 1970 to 4 October 19701971: 20 June 1971 to 13 September 19711972: 28 May 1972 to 16 September 19721973: 15 May 1973 to 13 September 19731974: 26 May 1974 to 25 September 19741975: 1 June 1975 to 9 September 19751976: 13 May 1976 to 10 September 19761977: 31 May 1977 to 13 September 19771978: 6 June 1978 to 25 September 19781979: 20 May 1979 to 12 October 19791980: 21 May 1980 to 8 October 19801981: 30 April 1981 to 18 September 19811982: 15 June 1982 to 9 September 19821983: 25 May 1983 to 15 September 19831984: 30 May 1984 to 19 September 19841985: 7 June 1985 to 29 August 19851986: 25 May 1986 to 7 September 19861987: 26 April 1987 to 4 October 19871988: 12 May 1988 to 4 October 19881989: 6 May 1989 to 28 September 19891990: 9 June 1990 to 14 September 19901991: 10 June 1991 to 12 October 19911992: 5 May 1992 to 1 October 19921994: 25 May 1994 to 27 September 19941995: 12 June 1995 to 18 September 19951999: 23 May 1999 to 23 September 19992001: 11 May 2001 to 3 October 20012003: 22 May 2003 to 21 October 20032004: 2 June 2004 to 25 September 20042006: 14 May 2006 to 29 September 20062007: 15 May 2007 to 13 September 20072008: 16 May 2008 to 29 September 200818941959196619731980198719952008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Paradise Valley 1 NW meeting 30 C (86 F).
First to last qualifying date each year at Paradise Valley 1 NW
YearFirst dateLast date
18941894-05-241894-10-16
19151915-06-221915-09-20
19161916-06-141916-09-21
19171917-07-021917-09-29
19561956-05-221956-09-18
19571957-06-011957-09-24
19581958-05-181958-10-05
19591959-05-121959-09-12
19601960-05-111960-09-27
19611961-05-251961-09-05
19621962-06-201962-09-25
19631963-05-201963-10-03
19641964-06-231964-10-07
19651965-06-111965-10-08
19661966-05-031966-10-01
19671967-05-211967-09-28
19681968-06-021968-09-11
19691969-05-231969-09-27
19701970-06-021970-10-04
19711971-06-201971-09-13
19721972-05-281972-09-16
19731973-05-151973-09-13
19741974-05-261974-09-25
19751975-06-011975-09-09
19761976-05-131976-09-10
19771977-05-311977-09-13
19781978-06-061978-09-25
19791979-05-201979-10-12
19801980-05-211980-10-08
19811981-04-301981-09-18
19821982-06-151982-09-09
19831983-05-251983-09-15
19841984-05-301984-09-19
19851985-06-071985-08-29
19861986-05-251986-09-07
19871987-04-261987-10-04
19881988-05-121988-10-04
19891989-05-061989-09-28
19901990-06-091990-09-14
19911991-06-101991-10-12
19921992-05-051992-10-01
19941994-05-251994-09-27
19951995-06-121995-09-18
19991999-05-231999-09-23
20012001-05-112001-10-03
20032003-05-222003-10-21
20042004-06-022004-09-25
20062006-05-142006-09-29
20072007-05-152007-09-13
20082008-05-162008-09-29

Every Fixed Threshold

Fixed thresholds at Paradise Valley 1 NW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days50100198880
35 C (95 F): Days5046198823
40 C (104 F): Days10620033
90 F (32.2 C): Days5076200359
100 F (37.8 C): Days2817200314
0 C (32 F): Ice days (max4935191713
0 C (32 F): Frost days (min522411916182
-10 C (14 F): Days with min5274191740
-20 C (-4 F): Days with min372119175
-30 C (-22 F): Days with min4419174
20 C (68 F): Tropical nights (min7220061
10 mm (0.39 in): Days with 10 mm or more rain791619074
25 mm (0.98 in): Days with 25 mm or more rain25419251
50 mm (1.97 in): Days with 50 mm or more rain3119251
10 cm (3.9 in): Days with 10 cm or more snowfall42719163
25 cm (9.8 in): Days with 25 cm or more snowfall3119581

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

Download the Data

  • Data for Paradise Valley 1 NW 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).