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Chicopee

United States · 26 December 2020

← 25 December 202027 December 2020 →

Average

-1.1°C

low -3.2° · high 3°

Rainfall

0.1mm

dry day

Wind

4.1m/s

daily average

Humidity

57%

daily average

Cloud

41%

cover

Pressure

1009hPa

daily average

The temperature ranged from -3.2°C around 23:00 to 3°C around 00:00. No measurable rain was recorded during the day.

How unusual was this day?

Compared against the same 135 calendar days (±7 days) across the other 9 years on file.

High temperature

44th percentile

Low temperature

46th percentile

Rainfall

53th percentile

Wind

85th percentile

A percentile of 100 means this was the hottest/wettest/windiest of the comparable days on file; 50 is right in the middle. This window's average temperature was -0.4°C, versus -1.1°C on this specific day.

Sun & daylight

Sunrise

07:17

Sunset

16:24

Day length

9h 6m

Hour by hour

Temperature (line) and hourly rainfall (bars), local time — America/New_York.

↓ Download CSV
00:0006:0012:0018:0023:00

Cumulative rainfall through the day.

00:0006:0012:0018:0023:00
Local timeUTCTemp °CFeels °CRain mmWind m/sDirHumidity %Pressure hPa
00:0005:003-30.015.3SW671004
01:0006:001.7-4.30.015SW631004
02:0007:001.3-4.40.014.6SW631005
03:0008:00-0.1-5.80.014.2SW651005
04:0009:00-0.7-6.40.014.2SW631006
05:0010:00-2.1-7.50.013.5WSW641006
06:0011:00-2.4-803.8SW621007
07:0012:00-2.7-8.704.2WSW601008
08:0013:00-2.9-904.4WSW591008
09:0014:00-2.6-8.804.4WSW571009
10:0015:00-1.6-8.505.4W531010
11:0016:00-1.2-805.4W521009
12:0017:00-0.5-7.305.4W501009
13:0018:000.1-6.505.2W491009
14:0019:000.3-60.014.6W481008
15:0020:000.1-5.804.1W481008
16:0021:00-0.6-5.803.1WSW511009
17:0022:00-1.8-6.902.9SW541010
18:0023:00-1.9-7.103.1SW551011
19:0000:00-1.9-7.303.3WSW551012
20:0001:00-2.1-7.403.2WSW551012
21:0002:00-2.6-7.602.8WSW571013
22:0003:00-2.9-7.902.7WSW591014
23:0004:00-3.2-8.102.7WSW601015

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Data source & coverage — ERA5 reanalysis, 2016–2025 (10 years)details
Source
ERA5 reanalysis, accessed via the Copernicus Climate Change Service (C3S) Climate Data Store
Data type
Reanalysis — a physically consistent reconstruction combining a forecast model with historical observations, not a live station reading or a forecast
Coverage
2016–2025 (10 years) for United States
Location
Chicopee — 42.250°, -72.500°, ERA5 grid cell center, 14.3 km from requested point
Time zone
America/New_York
What's shown here
The hourly and daily record for 26 December 2020 specifically — not a monthly average. See the Chicopee climate overview for typical conditions.
Spatial resolution
0.25° (~25 km) distributed grid — ERA5's native model resolution is finer; this is the publicly distributed regridded product
Version / refreshed
Methodology v2026.07 · data last refreshed December 31, 2025
Limitations
A model reconstruction, not a station observation — hyper-local extremes (a single storm cell, an urban heat pocket) can differ from a nearby gauge. See the full methodology.
Attribution
Generated using Copernicus Climate Change Service information

Cite this data

Plain text
PastClimate (2026-07-16). Historical climate data for Chicopee, United States (42.25°N, 72.50°W), derived from ERA5 (Hersbach et al., 2023, Copernicus Climate Change Service). Retrieved from https://www.pastclimate.com/
APA
PastClimate. (2026). Historical climate data for Chicopee, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 16, 2026, from https://www.pastclimate.com/
MLA
"Historical Climate Data for Chicopee, United States." PastClimate, derived from ERA5 (Copernicus Climate Change Service), July 16, 2026, www.pastclimate.com.
BibTeX
@misc{pastclimate,
  author = {PastClimate},
  title = {Historical climate data for Chicopee, United States},
  year = {2026},
  note = {Derived from ERA5 (Hersbach et al., 2023), Copernicus Climate Change Service. Accessed 2026-07-16},
  url = {https://www.pastclimate.com/}
}

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