Climate for Station: Dillon 1 e, Colorado, United States

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Dillon

Colorado, United States of America

2026-02-28 19:26

2.8°C

Feels 1.9°C

H: 7.7°C / L: -9.1°C

Precip: 0mm | Wind: 4.3 kph

▲ 6.0°C vs historical high

Overcast

2026-03-01

H: 6.5°C

L: -0.9°C

Rain: 67%

Rainfall: 4mm

Wind: 22.3kph

▲ 4.3°C

2026-03-02

H: 8.1°C

L: 0.3°C

Rain: 0%

Rainfall: 0mm

Wind: 25.9kph

▲ 5.6°C

2026-03-03

H: 0.2°C

L: -3°C

Rain: 65%

Rainfall: 17.3mm

Wind: 13kph

▼ 2.2°C

2026-03-04

H: 6°C

L: -8.9°C

Rain: 0%

Rainfall: 0.07mm

Wind: 7.6kph

▲ 3.9°C

2026-03-05

H: -1.8°C

L: -7.9°C

Rain: 87%

Rainfall: 0.4mm

Wind: 37.4kph

▼ 3.6°C

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Climate Analysis & Overview

Dillon 1 e, nestled in the heart of Colorado's mountainous terrain, reveals a complex climatic narrative. While the all-time data suggest a slight cooling trend in high temperatures and a warming trend in lows, the recent decade shows a contrasting pattern. Precipitation has become more evenly distributed, hinting at subtle shifts in local weather dynamics.

Mountainous Climate Dynamics

Dillon 1 e is situated in the high-altitude regions of Summit County, Colorado, characterised by a Köppen climate classification of Dfb, denoting a humid continental climate with warm summers and cold, snowy winters. The surrounding Rocky Mountains significantly influence local weather patterns, contributing to temperature variations and precipitation distribution. This geographical context is crucial for understanding the station's climatic data, where elevation plays a pivotal role in shaping the thermal and hydrological profiles.

Temperature Trends: A Tale of Two Scales

The all-time temperature trends at Dillon 1 e reveal a nuanced story. The high temperatures have experienced a slight cooling of 0.00°C (0.01°F), while low temperatures have shown a notable warming of 0.34°C (0.61°F). This suggests a narrowing of the diurnal temperature range over the long term. However, the 10-year trends paint a different picture, with high temperatures showing a warming of 0.29°C (0.52°F) and low temperatures a cooling of 0.05°C (0.09°F). These contrasting trends highlight the complexity of climate dynamics in this region, possibly influenced by both natural variability and anthropogenic factors.

Precipitation Patterns: A Shift Towards Even Distribution

The Precipitation Concentration Index (PCI) at Dillon 1 e has decreased from a baseline of 10.66 to a current value of 8.54. This indicates a more even distribution of precipitation events over time. A lower PCI suggests that rainfall is spread more uniformly throughout the year, reducing the risk of intense, concentrated downpours. This shift could be beneficial for local water management and agricultural practices, ensuring a steadier water supply.

Extreme Temperature Records

Dillon 1 e has recorded extreme temperatures, with a maximum of 31.7°C (89.1°F) and a minimum of -43.3°C (-45.9°F). These records underscore the station's exposure to significant thermal extremes, typical of high-altitude environments. Such extremes can have profound implications for local ecosystems, infrastructure, and human activities, necessitating adaptive strategies to mitigate potential impacts.

Regional Climate Considerations

In the broader context of the United States' climate goals, Dillon 1 e's data provide valuable insights into regional climate trends. The observed changes align with national efforts to understand and adapt to climate variability, particularly in mountainous regions. Recent weather events, such as increased snowfall or unexpected warm spells, further highlight the importance of continuous monitoring and research to inform policy and decision-making.

Station Statistics

10-Year Trend

High: +0.24 °C/decade

Low: -0.14 °C/decade

Rain: +0.92 mm/decade

25-Year Trend

High: +0.16 °C/decade

Low: +0.13 °C/decade

Rain: +0.22 mm/decade

50-Year Trend

High: +0.20 °C/decade

Low: +0.03 °C/decade

Rain: +0.15 mm/decade

All-Time Trend

High: -0.00 °C/decade

Low: +0.34 °C/decade

Rain: +0.05 mm/decade

Percentage Above-Average Days

Last 12 Months: 58.1%

This Year: 44.4%

Precipitation Concentration Index (PCI) ℹ️

Last 12 Months: 8.8

Historical Average: 10.5

Percentile Rank of Last 12 Months ℹ️

High: 88^th percentile

Low: 92^nd percentile

Rain: 90^th percentile

Change in Variance ℹ️

High: +7.6%

Low: -20.5%

Intraday: -26.5%

Data Coverage

84.0%

First Year of Data

1893

Station Location

Historical Weather Records

	Max High	Avg High	Min High	Max Avg	Avg Avg	Min Avg	Max Low	Avg Low	Min Low	Max Precipitation	Avg Precipitation	Max Snow	Avg Snow
Record	31.7 °C	—	-23.3 °C	18.8 °C	—	-31.2 °C	17.2 °C	—	-43.3 °C	59.4 mm	—	610.0 mm	—
January	16.1 °C	-0.5 °C	-23.3 °C	3.3 °C	-11.1 °C	-28.1 °C	2.2 °C	-18.1 °C	-42.2 °C	24.1 mm	1.1 mm	406.0 mm	14.8 mm
February	15.6 °C	0.9 °C	-21.1 °C	3.2 °C	-10.4 °C	-31.2 °C	3.3 °C	-16.7 °C	-42.8 °C	35.8 mm	1.3 mm	368.0 mm	16.3 mm
March	17.2 °C	4.0 °C	-15.0 °C	6.0 °C	-6.9 °C	-23.8 °C	7.8 °C	-13.3 °C	-38.9 °C	46.5 mm	1.5 mm	457.0 mm	17.4 mm
April	24.4 °C	8.7 °C	-10.0 °C	8.7 °C	-2.4 °C	-17.8 °C	9.4 °C	-8.0 °C	-31.7 °C	50.8 mm	1.7 mm	610.0 mm	15.2 mm
May	26.7 °C	14.6 °C	-3.3 °C	15.4 °C	3.1 °C	-12.2 °C	9.4 °C	-3.5 °C	-17.8 °C	47.8 mm	1.4 mm	356.0 mm	6.1 mm
June	30.6 °C	20.6 °C	2.2 °C	18.8 °C	9.4 °C	-4.8 °C	11.1 °C	-0.1 °C	-11.7 °C	36.6 mm	1.1 mm	254.0 mm	0.6 mm
July	31.7 °C	23.6 °C	10.6 °C	18.3 °C	12.7 °C	3.0 °C	15.6 °C	3.0 °C	-5.6 °C	41.4 mm	1.7 mm	0.0 mm	0.0 mm
August	30.6 °C	22.6 °C	11.1 °C	18.6 °C	11.6 °C	2.6 °C	17.2 °C	2.3 °C	-6.7 °C	32.3 mm	1.6 mm	0.0 mm	0.0 mm
September	28.9 °C	19.2 °C	1.7 °C	17.8 °C	7.5 °C	-6.4 °C	8.9 °C	-1.7 °C	-15.6 °C	50.8 mm	1.3 mm	279.0 mm	1.2 mm
October	25.0 °C	12.9 °C	-12.2 °C	12.9 °C	0.8 °C	-18.5 °C	10.0 °C	-6.4 °C	-23.9 °C	41.7 mm	1.1 mm	356.0 mm	6.1 mm
November	18.3 °C	5.1 °C	-15.0 °C	6.8 °C	-6.0 °C	-25.5 °C	3.3 °C	-12.0 °C	-37.8 °C	24.1 mm	1.1 mm	356.0 mm	12.6 mm
December	16.1 °C	0.4 °C	-20.0 °C	4.6 °C	-10.8 °C	-30.2 °C	1.7 °C	-16.7 °C	-43.3 °C	59.4 mm	1.2 mm	406.0 mm	14.4 mm