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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Penrose Weather Records (USC00056410)

Record envelope, standing records and threshold days for Penrose (USC00056410), Colorado, United States, with 50 years of record.

Key Facts for Penrose

  • Penrose (USC00056410) is a weather station in Colorado, United States at 38.45 latitude and -105.07 longitude, 1,650 m (5,413 ft) above sea level.
  • The station reports from 1924 to 1973, 50 years of record.
  • 0 records set at Penrose still stand.
  • Records are tracked for prcp, snow: an element needs 30 years of data to be eligible.
  • Penrose set a daily record precipitation of 13.7 mm (0.5 in) on 12 December 1972.

About the Station

  • Location: Colorado, United States, 38.45 latitude, -105.07 longitude.
  • Elevation: 1,650 m (5,413 ft).
  • Period of record: 1924 to 1973, 50 years.
  • Eligible elements: prcp, snow.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Penrose, with 2026 drawn through them The band shows the record high and record low for each calendar day at Penrose. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 000111 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Penrose. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Penrose, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
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Which Years Hold Standing Records

0 standing records
Standing records at Penrose by the year they were set 0 records at Penrose still stand. 00000000000
0 records at Penrose still stand.
Standing records at Penrose by the year they were set
Year setStanding records

All-Time Record Progression

2 new records
When Penrose set new all-time records 2 all-time records were set at Penrose between 15 April 1956 and 14 July 1966. Each dot is a new record. Record daily precipitation15 April 1956: Record daily precipitation 62.2 mm (2.4 in)14 July 1966: Record daily precipitation 76.2 mm (3.0 in)19601965
2 all-time records were set at Penrose between 15 April 1956 and 14 July 1966. Each dot is a new record.
When Penrose set new all-time records
DateKindDetail
1956-04-15Record daily precipitationRecord daily precipitation 62.2 mm (2.4 in)
1966-07-14Record daily precipitationRecord daily precipitation 76.2 mm (3.0 in)

Wettest Day of Each Month

Jul: 76.2 mm (3.0 in)
Record daily precipitation for each month at Penrose The wettest day on record for each calendar month at Penrose. The most was 76.2 mm (3.0 in) on 14 July 1966. 020406080 Jan: 14.0 mm (0.6 in), 14 January 1960 Jan Feb: 20.8 mm (0.8 in), 26 February 1949 Feb Mar: 25.4 mm (1.0 in), 1 March 1948 Mar Apr: 62.2 mm (2.4 in), 15 April 1956 Apr May: 57.2 mm (2.3 in), 26 May 1967 May Jun: 41.1 mm (1.6 in), 25 June 1927 Jun Jul: 76.2 mm (3.0 in), 14 July 1966 Jul Aug: 57.2 mm (2.3 in), 22 August 1969 Aug Sep: 41.4 mm (1.6 in), 9 September 1960 Sep Oct: 40.6 mm (1.6 in), 1 October 1959 Oct Nov: 24.1 mm (0.9 in), 19 November 1930 Nov Dec: 21.1 mm (0.8 in), 2 December 1933 Dec
The wettest day on record for each calendar month at Penrose. The most was 76.2 mm (3.0 in) on 14 July 1966.
Record daily precipitation for each month at Penrose
MonthRecord daily precipitation (mm)Date
Jan14.0 mm (0.6 in)14 January 1960
Feb20.8 mm (0.8 in)26 February 1949
Mar25.4 mm (1.0 in)1 March 1948
Apr62.2 mm (2.4 in)15 April 1956
May57.2 mm (2.3 in)26 May 1967
Jun41.1 mm (1.6 in)25 June 1927
Jul76.2 mm (3.0 in)14 July 1966
Aug57.2 mm (2.3 in)22 August 1969
Sep41.4 mm (1.6 in)9 September 1960
Oct40.6 mm (1.6 in)1 October 1959
Nov24.1 mm (0.9 in)19 November 1930
Dec21.1 mm (0.8 in)2 December 1933

Latest Records

20
Latest records at Penrose
DateStationRecordValueBeat old record byOld record stoodSignificance
12 December 1972Penrose, USdaily rain13.7 mm (0.5 in)9.6 mm (0.38 in)32 years20 of 100 (Routine)
11 December 1972Penrose, USdaily rain (Tie)2.5 mm (0.10 in)tie19 years2 of 100 (Routine)
5 December 1972Penrose, USdaily rain8.9 mm (0.35 in)6.4 mm (0.25 in)12 years20 of 100 (Routine)
27 November 1972Penrose, USdaily rain10.2 mm (0.4 in)8.9 mm (0.35 in)2 years20 of 100 (Routine)
21 November 1972Penrose, USdaily rain8.9 mm (0.35 in)3.3 mm (0.13 in)42 years20 of 100 (Routine)
24 October 1972Penrose, USdaily rain15.2 mm (0.6 in)9.9 mm (0.39 in)40 years20 of 100 (Routine)
14 September 1972Penrose, USdaily rain10.2 mm (0.4 in)5.4 mm (0.21 in)32 years20 of 100 (Routine)
24 August 1972Penrose, USdaily rain24.9 mm (1.0 in)12.2 mm (0.5 in)6 years19 of 100 (Routine)
17 June 1972Penrose, USdaily rain11.4 mm (0.4 in)4.8 mm (0.19 in)46 years20 of 100 (Routine)
13 May 1972Penrose, USdaily rain (Tie)15.2 mm (0.6 in)tie44 years4 of 100 (Routine)
28 March 1972Penrose, USdaily rain21.6 mm (0.9 in)6.6 mm (0.26 in)44 years20 of 100 (Routine)
9 February 1972Penrose, USdaily rain6.4 mm (0.25 in)1.3 mm (0.05 in)37 years18 of 100 (Routine)
12 January 1972Penrose, USdaily rain11.9 mm (0.5 in)9.9 mm (0.39 in)44 years20 of 100 (Routine)
3 January 1972Penrose, USdaily rain11.4 mm (0.4 in)6.6 mm (0.26 in)22 years20 of 100 (Routine)
9 December 1971Penrose, USdaily rain8.9 mm (0.35 in)0.3 mm (0.01 in)28 years12 of 100 (Routine)
16 July 1971Penrose, USdaily rain19.1 mm (0.8 in)9.4 mm (0.37 in)41 years20 of 100 (Routine)
23 April 1971Penrose, USdaily rain24.1 mm (0.9 in)10.4 mm (0.4 in)28 years20 of 100 (Routine)
5 March 1971Penrose, USdaily rain11.4 mm (0.4 in)4.3 mm (0.17 in)28 years20 of 100 (Routine)
21 February 1971Penrose, USdaily rain8.9 mm (0.35 in)6.1 mm (0.24 in)20 years20 of 100 (Routine)
27 November 1970Penrose, USdaily rain1.3 mm (0.05 in)1.3 mm (0.05 in)45 years19 of 100 (Routine)

Extremes by Year

1924 to 1973
Yearly extremes at Penrose: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)76.2 mm (3.0 in)196628.1 mm (1.1 in)50
Wettest five days (Rx5day)114.3 mm (4.5 in)196643.1 mm (1.7 in)50
Longest dry spell (CDD)95 days196645 days50

Wettest day (Rx1day)

Wettest day (Rx1day) at Penrose by year The wettest day of the year at Penrose, 1924 to 1973. The record is 76.2 mm (3.0 in) in 1966, marked on the chart; the median year is 28.1 mm (1.1 in). 02040608019301940195019601970Record: 76.2 mm (3.0 in) in 1966
The wettest day of the year at Penrose, 1924 to 1973. The record is 76.2 mm (3.0 in) in 1966, marked on the chart; the median year is 28.1 mm (1.1 in).
Wettest day (Rx1day) at Penrose by year
YearWettest day (Rx1day)
192424.6 mm (1.0 in)
192515.7 mm (0.6 in)
192613.5 mm (0.5 in)
192741.1 mm (1.6 in)
192823.9 mm (0.9 in)
192934.8 mm (1.4 in)
193029.2 mm (1.1 in)
193119.3 mm (0.8 in)
193225.9 mm (1.0 in)
193322.4 mm (0.9 in)
193416.3 mm (0.6 in)
193526.2 mm (1.0 in)
193628.2 mm (1.1 in)
193716.5 mm (0.6 in)
193823.6 mm (0.9 in)
193923.6 mm (0.9 in)
194016.0 mm (0.6 in)
194148.8 mm (1.9 in)
194254.6 mm (2.1 in)
194322.9 mm (0.9 in)
194441.1 mm (1.6 in)
194521.6 mm (0.9 in)
194631.8 mm (1.3 in)
194745.5 mm (1.8 in)
194825.4 mm (1.0 in)
194938.9 mm (1.5 in)
195017.5 mm (0.7 in)
195122.4 mm (0.9 in)
195251.3 mm (2.0 in)
195321.6 mm (0.9 in)
195417.3 mm (0.7 in)
195546.0 mm (1.8 in)
195662.2 mm (2.4 in)
195729.2 mm (1.1 in)
195838.1 mm (1.5 in)
195940.6 mm (1.6 in)
196041.4 mm (1.6 in)
196133.0 mm (1.3 in)
196236.8 mm (1.4 in)
196336.8 mm (1.4 in)
196421.6 mm (0.9 in)
196531.8 mm (1.3 in)
196676.2 mm (3.0 in)
196757.2 mm (2.3 in)
196834.3 mm (1.4 in)
196957.2 mm (2.3 in)
197027.9 mm (1.1 in)
197124.1 mm (0.9 in)
197224.9 mm (1.0 in)
19731.0 mm (0.04 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Penrose by year The wettest five days of the year at Penrose, 1924 to 1973. The record is 114.3 mm (4.5 in) in 1966, marked on the chart; the median year is 43.1 mm (1.7 in). 05010015019301940195019601970Record: 114.3 mm (4.5 in) in 1966
The wettest five days of the year at Penrose, 1924 to 1973. The record is 114.3 mm (4.5 in) in 1966, marked on the chart; the median year is 43.1 mm (1.7 in).
Wettest five days (Rx5day) at Penrose by year
YearWettest five days (Rx5day)
192461.8 mm (2.4 in)
192520.8 mm (0.8 in)
192620.3 mm (0.8 in)
192742.9 mm (1.7 in)
192847.4 mm (1.9 in)
192947.9 mm (1.9 in)
193051.3 mm (2.0 in)
193138.4 mm (1.5 in)
193239.9 mm (1.6 in)
193341.4 mm (1.6 in)
193422.7 mm (0.9 in)
193559.0 mm (2.3 in)
193665.8 mm (2.6 in)
193728.2 mm (1.1 in)
193848.2 mm (1.9 in)
193926.4 mm (1.0 in)
194022.8 mm (0.9 in)
194164.0 mm (2.5 in)
194270.1 mm (2.8 in)
194343.2 mm (1.7 in)
194445.9 mm (1.8 in)
194529.0 mm (1.1 in)
194659.0 mm (2.3 in)
194784.9 mm (3.3 in)
194850.7 mm (2.0 in)
194980.8 mm (3.2 in)
195028.5 mm (1.1 in)
195140.0 mm (1.6 in)
195252.6 mm (2.1 in)
195329.5 mm (1.2 in)
195423.2 mm (0.9 in)
195590.5 mm (3.6 in)
195668.6 mm (2.7 in)
195729.2 mm (1.1 in)
195842.4 mm (1.7 in)
195934.3 mm (1.4 in)
196056.9 mm (2.2 in)
196150.8 mm (2.0 in)
196239.3 mm (1.5 in)
196362.3 mm (2.5 in)
196433.0 mm (1.3 in)
196592.7 mm (3.6 in)
1966114.3 mm (4.5 in)
196757.2 mm (2.3 in)
196841.9 mm (1.6 in)
196969.9 mm (2.8 in)
197034.3 mm (1.4 in)
197133.1 mm (1.3 in)
197238.9 mm (1.5 in)
19732.0 mm (0.08 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Penrose by year The longest dry spell of the year at Penrose, 1924 to 1973. The record is 95 days in 1966, marked on the chart; the median year is 45 days. 025507510019301940195019601970Record: 95 days in 1966
The longest dry spell of the year at Penrose, 1924 to 1973. The record is 95 days in 1966, marked on the chart; the median year is 45 days.
Longest dry spell (CDD) at Penrose by year
YearLongest dry spell (CDD)
192447 days
192550 days
192634 days
192728 days
192836 days
192933 days
193022 days
193131 days
193229 days
193351 days
193439 days
193568 days
193659 days
193740 days
193828 days
193961 days
194022 days
194132 days
194226 days
194331 days
194446 days
194546 days
194637 days
194729 days
194844 days
194950 days
195052 days
195127 days
195248 days
195350 days
195447 days
195553 days
195686 days
195733 days
195831 days
195935 days
196034 days
196126 days
196246 days
196370 days
196458 days
196574 days
196695 days
196750 days
196846 days
196946 days
197066 days
197149 days
197228 days
19737 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Rainfall Return Levels

44 years, 1924 to 1972

A day with at least 28.9 mm (1.1 in) of rain is expected about once in 2 years. A day with at least 84.6 mm (3.3 in) of rain is expected about once in 100 years.

Rainfall return levels at Penrose: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years28.9 mm (1.1 in)
5 years41.3 mm (1.6 in)
10 years50.4 mm (2.0 in)
25 years63.1 mm (2.5 in)
50 years73.5 mm (2.9 in)Longer than the 44 years of record
100 years84.6 mm (3.3 in)Longer than the 44 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 44 years of values from 1924 to 1972.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 76.2 mm (3.0 in) in 1966; 62.2 mm (2.4 in) in 1956; 57.2 mm (2.3 in) in 1967.

Download the Data

  • Data for Penrose standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Penrose 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

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