Palmer Lake Weather Records (USC00056280)

Record envelope, standing records and threshold days for Palmer Lake (USC00056280), Colorado, United States, with 128 years of record.

Key Facts for Palmer Lake

Palmer Lake (USC00056280) is a weather station in Colorado, United States at 39.12 latitude and -104.91 longitude, 2,183 m (7,161 ft) above sea level.
The station reports from 1899 to 2026, 128 years of record.
1,464 records set at Palmer Lake still stand.
Records are tracked for prcp, snow: an element needs 30 years of data to be eligible.
Palmer Lake set a daily record precipitation of 6.1 mm (0.24 in) on 1 October 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

Location: Colorado, United States, 39.12 latitude, -104.91 longitude.
Elevation: 2,183 m (7,161 ft).
Period of record: 1899 to 2026, 128 years.
Eligible elements: prcp, snow.

Daily Record Envelope and 2026

61 days at or beyond a record

The band shows the record high and record low for each calendar day at Palmer Lake. The lines show the 2026 daily maximum and minimum. 61 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Palmer Lake, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	20.0 C (68.0 F)	-32.8 C (-27.0 F)	16.7 C (62.1 F)	-25.0 C (-13.0 F)
Feb	21.1 C (70.0 F)	-32.8 C (-27.0 F)	21.1 C (70.0 F)	-13.9 C (7.0 F)
Mar	28.3 C (82.9 F)	-26.1 C (-15.0 F)	28.3 C (82.9 F)	-16.1 C (3.0 F)
Apr	26.7 C (80.1 F)	-17.2 C (1.0 F)	25.0 C (77.0 F)	-10.0 C (14.0 F)
May	28.9 C (84.0 F)	-7.8 C (18.0 F)	26.7 C (80.1 F)	-4.4 C (24.1 F)
Jun	33.9 C (93.0 F)	-1.7 C (28.9 F)	31.7 C (89.1 F)	3.9 C (39.0 F)
Jul	36.1 C (97.0 F)	1.1 C (34.0 F)	33.9 C (93.0 F)	7.8 C (46.0 F)
Aug	34.4 C (93.9 F)	2.2 C (36.0 F)	33.3 C (91.9 F)	8.9 C (48.0 F)
Sep	32.2 C (90.0 F)	-11.1 C (12.0 F)	30.0 C (86.0 F)	5.6 C (42.1 F)
Oct	28.9 C (84.0 F)	-16.7 C (1.9 F)	27.2 C (81.0 F)	3.9 C (39.0 F)
Nov	25.6 C (78.1 F)	-23.9 C (-11.0 F)	n/a	n/a
Dec	20.6 C (69.1 F)	-32.2 C (-26.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Palmer Lake still stand. 2026 holds the most, with 85.

Standing records at Palmer Lake by the year they were set
Year set	Standing records
1965	35
1966	73
1967	70
1968	54
1969	71
1970	59
1971	59
1972	59
1973	51
1974	53
1975	69
1976	69
1977	56
1978	50
1979	59
1980	47
1981	41
1982	40
1983	50
1984	45
1985	51
2022	46
2023	57
2024	57
2025	58
2026	85

Wettest Day of Each Month

May: 112.3 mm (4.4 in)

The wettest day on record for each calendar month at Palmer Lake. The most was 112.3 mm (4.4 in) on 7 May 1973.

Record daily precipitation for each month at Palmer Lake
Month	Record daily precipitation (mm)	Date
Jan	30.5 mm (1.2 in)	21 January 1973
Feb	45.2 mm (1.8 in)	18 February 1974
Mar	55.9 mm (2.2 in)	29 March 1985
Apr	70.6 mm (2.8 in)	14 April 1967
May	112.3 mm (4.4 in)	7 May 1973
Jun	51.3 mm (2.0 in)	9 June 1974
Jul	94.0 mm (3.7 in)	28 July 2011
Aug	66.0 mm (2.6 in)	22 August 1969
Sep	50.3 mm (2.0 in)	26 September 1973
Oct	48.3 mm (1.9 in)	16 October 1984
Nov	55.9 mm (2.2 in)	1 November 1972
Dec	37.3 mm (1.5 in)	19 December 1973

Period of Record Coverage

1965 to 2026

26 years of record at Palmer Lake, 1965 to 2026. 12 years have data for under 90 percent of days and are left out of rankings: 1965, 1968, 1971, 1972, 1973, 1974, 1977, 1982 and others.

Days with data per year at Palmer Lake
Year	Days with data	Share of year	Complete
1965	148	41%	No
1966	360	99%	Yes
1967	356	98%	Yes
1968	287	78%	No
1969	349	96%	Yes
1970	341	93%	Yes
1971	287	79%	No
1972	301	82%	No
1973	276	76%	No
1974	295	81%	No
1975	352	96%	Yes
1976	366	100%	Yes
1977	289	79%	No
1978	342	94%	Yes
1979	361	99%	Yes
1980	364	99%	Yes
1981	363	99%	Yes
1982	300	82%	No
1983	237	65%	No
1984	335	92%	Yes
1985	327	90%	No
2022	228	62%	No
2023	365	100%	Yes
2024	366	100%	Yes
2025	365	100%	Yes
2026	285	78%	No

Latest Records

Latest records at Palmer Lake
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 October 2026	Palmer Lake, US	daily rain (Provisional)	6.1 mm (0.24 in)	5.8 mm (0.23 in)	4 years	17 of 100 (Routine)
20 September 2026	Palmer Lake, US	daily rain (Provisional)	11.7 mm (0.5 in)	1.8 mm (0.07 in)	60 years	20 of 100 (Routine)
14 August 2026	Palmer Lake, US	daily rain	45.2 mm (1.8 in)	9.4 mm (0.37 in)	48 years	34 of 100 (Routine)
23 May 2026	Palmer Lake, US	daily rain	12.2 mm (0.5 in)	2.8 mm (0.11 in)	56 years	20 of 100 (Routine)
20 May 2026	Palmer Lake, US	daily snowfall	3.3 cm (1.3 in)	3.3 cm (1.3 in)	125 years	20 of 100 (Routine)
19 May 2026	Palmer Lake, US	daily snowfall	2.3 cm (0.9 in)	2.3 cm (0.9 in)	125 years	20 of 100 (Routine)
18 May 2026	Palmer Lake, US	daily rain	13.0 mm (0.5 in)	5.4 mm (0.21 in)	40 years	20 of 100 (Routine)
6 May 2026	Palmer Lake, US	daily snowfall	8.1 cm (3.2 in)	4.3 cm (1.7 in)	59 years	31 of 100 (Routine)
7 March 2026	Palmer Lake, US	daily rain	17.8 mm (0.7 in)	2.6 mm (0.10 in)	48 years	20 of 100 (Routine)
7 March 2026	Palmer Lake, US	daily snowfall	20.3 cm (8.0 in)	6.6 cm (2.6 in)	4 years	18 of 100 (Routine)
9 January 2026	Palmer Lake, US	daily rain	16.5 mm (0.6 in)	7.6 mm (0.30 in)	56 years	20 of 100 (Routine)
9 January 2026	Palmer Lake, US	daily snowfall	19.8 cm (7.8 in)	7.1 cm (2.8 in)	56 years	39 of 100 (Notable)
4 December 2025	Palmer Lake, US	daily rain	9.4 mm (0.37 in)	7.1 mm (0.28 in)	2 years	19 of 100 (Routine)
23 September 2025	Palmer Lake, US	daily rain	12.7 mm (0.5 in)	5.1 mm (0.20 in)	40 years	20 of 100 (Routine)
18 September 2025	Palmer Lake, US	daily rain	6.9 mm (0.27 in)	3.9 mm (0.15 in)	0 years	14 of 100 (Routine)
26 August 2025	Palmer Lake, US	daily rain	24.4 mm (1.0 in)	14.2 mm (0.6 in)	16 years	20 of 100 (Routine)
31 July 2025	Palmer Lake, US	daily rain	38.6 mm (1.5 in)	5.6 mm (0.22 in)	4 years	17 of 100 (Routine)
24 July 2025	Palmer Lake, US	daily rain	9.9 mm (0.39 in)	2.3 mm (0.09 in)	40 years	20 of 100 (Routine)
23 July 2025	Palmer Lake, US	daily rain	24.4 mm (1.0 in)	3.6 mm (0.14 in)	59 years	20 of 100 (Routine)
26 May 2025	Palmer Lake, US	daily rain	2.5 mm (0.10 in)	1.5 mm (0.06 in)	58 years	20 of 100 (Routine)

Climate Trend

11 complete years, 1966 to 2025

One stripe for each of 11 complete years at Palmer Lake, 1966 to 2025. Blue stripes are years cooler than the station's own mean of 7.4 C (45.4 F); red stripes are warmer. The coolest year was 1979, at 5.3 C (41.5 F), and the warmest was 2024, at 8.9 C (48.0 F). The strongest colour marks a difference of 2.2 C (4.0 F).

Annual mean temperature at Palmer Lake as warming stripes, 1966 to 2025
Year	Annual mean temperature	Difference from the station mean
1966	7.6 C	+0.13 C
1967	6.7 C	-0.73 C
1969	7.5 C	+0.06 C
1975	7.8 C	+0.35 C
1976	8.2 C	+0.73 C
1979	5.3 C	-2.13 C
1980	6.4 C	-1.07 C
1981	7.0 C	-0.41 C
2023	7.7 C	+0.25 C
2024	8.9 C	+1.48 C
2025	8.7 C	+1.31 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1899 to 2026

Yearly extremes at Palmer Lake: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.1 C (97.0 F)	1971	32.8 C (91.0 F)	26
Coldest night (TNn)	-32.8 C (-27.0 F)	1982	-25.6 C (-14.1 F)	26
Wettest day (Rx1day)	112.3 mm (4.4 in)	1973	39.8 mm (1.6 in)	36
Wettest five days (Rx5day)	171.8 mm (6.8 in)	2023	61.9 mm (2.4 in)	36
Longest dry spell (CDD)	78 days	1899	29 days	36

Hottest day (TXx)

The hottest day of the year at Palmer Lake, 1899 to 2026. The record is 36.1 C (97.0 F) in 1971, marked on the chart; the median year is 32.8 C (91.0 F).

Hottest day (TXx) at Palmer Lake by year
Year	Hottest day (TXx)
1899	n/a
1900	n/a
1965	30.0 C (86.0 F)
1966	32.2 C (90.0 F)
1967	30.0 C (86.0 F)
1968	32.8 C (91.0 F)
1969	34.4 C (93.9 F)
1970	31.7 C (89.1 F)
1971	36.1 C (97.0 F)
1972	32.2 C (90.0 F)
1973	34.4 C (93.9 F)
1974	32.8 C (91.0 F)
1975	32.8 C (91.0 F)
1976	36.1 C (97.0 F)
1977	33.9 C (93.0 F)
1978	30.6 C (87.1 F)
1979	31.1 C (88.0 F)
1980	31.1 C (88.0 F)
1981	33.3 C (91.9 F)
1982	30.6 C (87.1 F)
1983	32.2 C (90.0 F)
1984	30.6 C (87.1 F)
1985	31.7 C (89.1 F)
2008	n/a
2009	n/a
2011	n/a
2012	n/a
2018	n/a
2019	n/a
2020	n/a
2021	n/a
2022	32.8 C (91.0 F)
2023	33.3 C (91.9 F)
2024	33.3 C (91.9 F)
2025	32.8 C (91.0 F)
2026	33.9 C (93.0 F)

Coldest night (TNn)

The coldest night of the year at Palmer Lake, 1899 to 2026. The record is -32.8 C (-27.0 F) in 1982, marked on the chart; the median year is -25.6 C (-14.1 F).

Coldest night (TNn) at Palmer Lake by year
Year	Coldest night (TNn)
1899	n/a
1900	n/a
1965	-16.1 C (3.0 F)
1966	-21.1 C (-6.0 F)
1967	-22.2 C (-8.0 F)
1968	-22.2 C (-8.0 F)
1969	-21.7 C (-7.1 F)
1970	-21.7 C (-7.1 F)
1971	-25.6 C (-14.1 F)
1972	-30.0 C (-22.0 F)
1973	-24.4 C (-11.9 F)
1974	-21.1 C (-6.0 F)
1975	-25.6 C (-14.1 F)
1976	-23.9 C (-11.0 F)
1977	-24.4 C (-11.9 F)
1978	-28.9 C (-20.0 F)
1979	-26.7 C (-16.1 F)
1980	-26.7 C (-16.1 F)
1981	-29.4 C (-20.9 F)
1982	-32.8 C (-27.0 F)
1983	-32.2 C (-26.0 F)
1984	-32.8 C (-27.0 F)
1985	-29.4 C (-20.9 F)
2008	n/a
2009	n/a
2011	n/a
2012	n/a
2018	n/a
2019	n/a
2020	n/a
2021	n/a
2022	-28.9 C (-20.0 F)
2023	-24.4 C (-11.9 F)
2024	-28.9 C (-20.0 F)
2025	-28.3 C (-18.9 F)
2026	-25.0 C (-13.0 F)

Wettest day (Rx1day)

The wettest day of the year at Palmer Lake, 1899 to 2026. The record is 112.3 mm (4.4 in) in 1973, marked on the chart; the median year is 39.8 mm (1.6 in).

Wettest day (Rx1day) at Palmer Lake by year
Year	Wettest day (Rx1day)
1899	12.7 mm (0.5 in)
1900	63.5 mm (2.5 in)
1965	19.3 mm (0.8 in)
1966	20.8 mm (0.8 in)
1967	70.6 mm (2.8 in)
1968	27.7 mm (1.1 in)
1969	66.0 mm (2.6 in)
1970	25.4 mm (1.0 in)
1971	27.9 mm (1.1 in)
1972	55.9 mm (2.2 in)
1973	112.3 mm (4.4 in)
1974	66.0 mm (2.6 in)
1975	37.6 mm (1.5 in)
1976	47.0 mm (1.9 in)
1977	35.8 mm (1.4 in)
1978	35.6 mm (1.4 in)
1979	35.6 mm (1.4 in)
1980	43.9 mm (1.7 in)
1981	52.8 mm (2.1 in)
1982	35.3 mm (1.4 in)
1983	40.6 mm (1.6 in)
1984	48.3 mm (1.9 in)
1985	55.9 mm (2.2 in)
2008	27.9 mm (1.1 in)
2009	34.0 mm (1.3 in)
2011	94.0 mm (3.7 in)
2012	14.0 mm (0.6 in)
2018	52.1 mm (2.1 in)
2019	47.0 mm (1.9 in)
2020	25.9 mm (1.0 in)
2021	35.8 mm (1.4 in)
2022	50.0 mm (2.0 in)
2023	101.6 mm (4.0 in)
2024	38.9 mm (1.5 in)
2025	38.6 mm (1.5 in)
2026	45.2 mm (1.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Palmer Lake, 1899 to 2026. The record is 171.8 mm (6.8 in) in 2023, marked on the chart; the median year is 61.9 mm (2.4 in).

Wettest five days (Rx5day) at Palmer Lake by year
Year	Wettest five days (Rx5day)
1899	21.9 mm (0.9 in)
1900	101.6 mm (4.0 in)
1965	39.9 mm (1.6 in)
1966	35.4 mm (1.4 in)
1967	86.6 mm (3.4 in)
1968	57.9 mm (2.3 in)
1969	117.4 mm (4.6 in)
1970	58.4 mm (2.3 in)
1971	62.2 mm (2.4 in)
1972	78.7 mm (3.1 in)
1973	132.9 mm (5.2 in)
1974	73.9 mm (2.9 in)
1975	53.9 mm (2.1 in)
1976	58.0 mm (2.3 in)
1977	60.1 mm (2.4 in)
1978	41.9 mm (1.6 in)
1979	49.3 mm (1.9 in)
1980	64.0 mm (2.5 in)
1981	56.1 mm (2.2 in)
1982	56.6 mm (2.2 in)
1983	93.8 mm (3.7 in)
1984	76.2 mm (3.0 in)
1985	78.8 mm (3.1 in)
2008	69.8 mm (2.7 in)
2009	77.7 mm (3.1 in)
2011	142.8 mm (5.6 in)
2012	14.0 mm (0.6 in)
2018	62.8 mm (2.5 in)
2019	58.0 mm (2.3 in)
2020	34.5 mm (1.4 in)
2021	67.3 mm (2.6 in)
2022	57.6 mm (2.3 in)
2023	171.8 mm (6.8 in)
2024	61.5 mm (2.4 in)
2025	60.1 mm (2.4 in)
2026	71.5 mm (2.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at Palmer Lake, 1899 to 2026. The record is 78 days in 1899, marked on the chart; the median year is 29 days.

Longest dry spell (CDD) at Palmer Lake by year
Year	Longest dry spell (CDD)
1899	78 days
1900	58 days
1965	37 days
1966	43 days
1967	36 days
1968	20 days
1969	29 days
1970	27 days
1971	31 days
1972	27 days
1973	22 days
1974	36 days
1975	34 days
1976	18 days
1977	31 days
1978	35 days
1979	31 days
1980	35 days
1981	30 days
1982	26 days
1983	29 days
1984	32 days
1985	18 days
2008	19 days
2009	18 days
2011	15 days
2012	15 days
2018	31 days
2019	18 days
2020	43 days
2021	28 days
2022	25 days
2023	20 days
2024	26 days
2025	23 days
2026	27 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.

Download the Data

Data for Palmer Lake standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Palmer Lake 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-14. Last revised 14 October 2026 (2026-10-14).