Weather/Massachusetts/Instruments/GLCM3
East Coastal Massachusetts AT Gloucester Harbor
At a harbour in Essex County, MassachusettsAt a harbour
DCP network, identified by the register
- Identifier
- GLCM3
- Latitude
- 42.60280 N
- Longitude
- 70.60000 W
- Elevation
- -
- Listed
- Automatically, on 396 reports in 121 hours over the last seven days
- Observed
- 1:54 AMEDT, 25 minutes ago
Now, today, and the week
On the radar over East Coastal Massachusetts AT Gloucester HarborReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
Weather instrument stations by state
At a harbour
Drawn as the kind of place it stands at. 0 instruments in Massachusetts stand at one.
What the snow tracker reads here
Every instrument in this state
-in
Snow on the ground
Station charts
East Coastal Massachusetts AT Gloucester Harbor Report
Rank 667 of 744 in Massachusetts, Oct 16. The 247 rank orders a state's stations by their 247 score out of 100: how reliably they report, how accurate their readings are against a reference station, how their readings pass their checks, and how they stand against the forecast.
Ranking Statistics
247 score75.9of 100
- Massachusetts median
- 92.1the median score of 744 stations
- Scoring higher
- 666stations in Massachusetts
- Sharing its score
- 3ranks 667 to 669
- Points deducted
- 24.110.3 reports received, 10.0 continuity, 2.4 arrival, 1.4 forecast check
- Counted at the median
- Accuracy, instrument checks, forecast checknot measured at this station; Massachusetts median 100.0, 100.0, 85.6
- Next below
- NDBC-BHBM3rank 668; behind on reports received 70.7% against 67.2%
Equal scores are ordered by the share of scheduled reports received, then the reports due in the week (the longer record first), then the median arrival, then the longest silence.
- Reports receivedweight 3570.724.7 of 35 pointsMassachusetts median 85.7396 of 560 scheduled reports received in 7 days
- Arrivalweight 1075.87.6 of 10 pointsMassachusetts median 100.0half its reports arrived within 22 min
- Continuityweight 100.00.0 of 10 pointsMassachusetts median 100.0longest silence 2 days, on a schedule of one report every 18 min
- Accuracyweight 20-20.0 of 20 points, at the medianMassachusetts median 100.0-
- Instrument checksweight 15-15.0 of 15 points, at the medianMassachusetts median 100.0-
- Forecast checkweight 10-8.6 of 10 points, at the medianMassachusetts median 85.6-
The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.
How each part is scored
- Reports received
- Full marks for every scheduled report received, none for none, in proportion between
- Arrival
- Full marks for a median arrival within 10 min, none at 60 min
- Continuity
- Full marks for a longest silence of 3 reports or less (54 min), none for 72 (21.6 h)
- Accuracy
- Full marks within 1.5 °F of its reference, typically, none beyond 8.0 °F
- Instrument checks
- Full marks for no reading failed, none for 5 per cent or more
- Forecast check
- Full marks within 2 °F of the forecast on average, none at 8 °F
- Schedule
- every 18 min
- Reports received, 24 hours
- 80 of 80100% of its schedule, 83 reports in all
- Reports received, 7 days
- 398 of 56071.0% of its schedule, 419 reports in all
- Days reported, 30 days
- -
- Longest silence, 7 days
- 2 daysfrom Oct 11, 7:48 PM
- Latest report
- Oct 16, 1:54 AMlocal time
- Time to reach Storm Station
- 22 min9 in 10 within 28 min
From Storm Station's own record of every report it heard from this station.
Its schedule is one report every 18 min, 80 in 24 hours. Two reports in the same 18 min count as one received.
The ranking these charts were drawn from, as tables
| Share of scheduled reports received | Stations |
|---|---|
| 100% | 211 |
| 90 to 99% | 112 |
| 80 to 89% | 93 |
| 70 to 79% | 51 |
| 60 to 69% | 22 |
| 50 to 59% | 170 |
| 40 to 49% | 60 |
| 30 to 39% | 4 |
| 20 to 29% | 13 |
| 10 to 19% | 5 |
| 0 to 9% | 3 |
| Day | Rank | Stations ranked | Share received |
|---|---|---|---|
| Oct 16, 2026 | 667 | 744 | 70.7% |
| Oct 15, 2026 | 659 | 741 | 70.7% |
| Oct 14, 2026 | 653 | 735 | 70.7% |
| Oct 13, 2026 | 509 | 730 | 84.1% |
| Oct 12, 2026 | 275 | 726 | 97.6% |
| Oct 11, 2026 | 266 | 729 | 97.8% |
| Oct 10, 2026 | 275 | 726 | 97.8% |
| Oct 9, 2026 | 274 | 725 | 97.8% |
| Oct 8, 2026 | 281 | 733 | 98.0% |
| Oct 7, 2026 | 286 | 722 | 99.2% |
| Oct 6, 2026 | 269 | 719 | 99.4% |
| Oct 5, 2026 | 251 | 697 | 99.1% |
| Oct 4, 2026 | 277 | 513 | 99.1% |
| Oct 3, 2026 | 270 | 491 | 98.9% |
| Oct 2, 2026 | 270 | 491 | 98.9% |
| Oct 1, 2026 | 134 | 242 | 98.5% |
| Sep 30, 2026 | 137 | 242 | 98.4% |
| Sep 29, 2026 | 155 | 240 | 97.7% |
| Sep 28, 2026 | 139 | 234 | 99.1% |
| Sep 27, 2026 | 112 | 197 | 98.7% |
| Sep 26, 2026 | 118 | 197 | 97.4% |