Viewing Station: MA-MD-257 : Chelmsford 1.8 NW
Nov 11, 2025 - Jul 10, 2026186 Total Observations
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Station Overview

Recent Precip Accumulations Go to Precip Summary
Today: 0.00"
 
Month-To-Date: 2.39"
9 of 10 days covered by obs
Year-To-Date: 14.56"
155 of 191 days covered by obs
Station Activity
Period of Record
Nov 11, 2025 - Jul 10, 2026
Duration of Record
7 months 29 days
Pct of Days covered by Precip Obs
82%
Observation Counts

Daily Precip

181

Multi-day Precip

5

Condition Monitoring

0

Significant Weather

0

Hail

0

Total Obs

186

Recent Precip Go to Precip Calendar
SuMoTuWeThFrSa
 123456
78910111213
14151617181920
21222324252627
282930    
       
SuMoTuWeThFrSa
   1234
567891011
12131415161718
19202122232425
262728293031 
       
Legend
 
No Obs
 
NA
 
Zero
 
Trace
 
Multiday Obs
 
Overlapping Obs
 
0.01 - 0.09"
 
0.10 - 0.24"
 
0.25 - 0.99"
 
1.00 - 1.99"
 
2.00 - 3.99"
 
4.00 - 40.00"

Station Map

Station Information
Map

Station Number
MA-MD-257
Station Name
Chelmsford 1.8 NW
Creation Date
Nov 8, 2025
Country
USA
State
Massachusetts
County
Middlesex
Longitude
-71.3900079
Latitude
42.6207577
Elevation
148 ft.
NWS CWA
Boston (BOX )