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3.4 MB across 1 part, newest sealed 18 September 2026 at 20:44 UTC.

The last refresh changed nothing.

STATION_HOUR_UNIQUE passed.

ROWS_PRESENT passed.

NONNEGATIVE_PRECIPITATION passed.

station_id

string

Current canonical station identifier; historical aliases resolve to this station.

  • KBOS100%
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
1 · 0% of valid

city

string

City associated with the observation station.

  • Boston100%
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
1 · 0% of valid

state

string

U.S. state abbreviation.

  • MA100%
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
1 · 0% of valid

ghcn_id

string

NOAA GHCN station identifier.

  • USW00014739100%
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
1 · 0% of valid

hour_utc

timestamp_utc

UTC hour bucket containing the selected report time.

  • 2000-01-01 05:00:00+000%
  • 2000-01-01 07:00:00+000%
  • 2000-01-01 08:00:00+000%
  • Other (232,713)
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
232,725 · 100% of valid

observed_at

timestamp_utc

Selected report timestamp converted from local standard time to UTC.

  • 2000-01-01 05:00:00+000%
  • 2000-01-01 07:00:00+000%
  • 2000-01-01 08:00:00+000%
  • Other (232,713)
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
232,725 · 100% of valid

reported_local_standard_time

string

Original NOAA report time in local standard time without daylight saving adjustments.

  • 2000-01-01 00:00:000%
  • 2000-01-01 02:00:000%
  • 2000-01-01 03:00:000%
  • Other (232,713)
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
232,725 · 100% of valid

report_type

string

SODHP hourly summary preferred; FM-15 routine METAR fallback.

  • FM-1598%
  • SODHP2%
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
2 · 0% of valid

report_source

string

NOAA source code.

  • 34380%
  • 33518%
  • 2231%
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
4 · 0% of valid

precipitation_raw

string

Original HourlyPrecipitation token, preserving trace and quality flags.

  • 0.084%
  • T7%
  • 0.32%
  • Other (97)
Valid
221,695 · 95.3%
Missing
11,030 · 4.7%
Distinct
109 · 0% of valid

precipitation_mm

decimal

Hourly liquid-equivalent precipitation in millimeters; trace or unparseable values remain null.

  • 0.000091%
  • 0.30002%
  • 0.50001%
  • Other (96)
Valid
205,237 · 88.2%
Missing
27,488 · 11.8%
Distinct
108 · 0.1% of valid
Min
0.0000
25%
0.0000
Median
0.0000
75%
0.0000
Max
255.3000

is_trace

boolean

True for source trace token T.

  • false93%
  • true7%
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
2 · 0% of valid

quality_status

string

Missing, trace, numeric, suspect, or unparsed source value.

  • numeric88%
  • trace7%
  • missing5%
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
3 · 0% of valid

interval_basis

string

Summary hourly interval or preceding rolling hour of a routine METAR.

  • rolling_hour_metar_fallback98%
  • summary_hourly2%
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
2 · 0% of valid

is_latest

boolean

True for the most recent report hour available for this station.

  • false100%
  • true0%
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
2 · 0% of valid

source_url

string

NOAA source lookup URL. Advancing observations use their local observation day; exact acquisition windows and digests are in the build receipt.

  • https://www.ncei.noaa.gov/access/services/data/v1?dataset=local-climatological-data-v2&stations=USW00014739&startDate=2015-01-01&endDate=2017-12-31&dataTypes=HourlyPrecipitation&format=csv&units=metric11%
  • https://www.ncei.noaa.gov/access/services/data/v1?dataset=local-climatological-data-v2&stations=USW00014739&startDate=2006-01-01&endDate=2008-12-31&dataTypes=HourlyPrecipitation&format=csv&units=metric11%
  • https://www.ncei.noaa.gov/access/services/data/v1?dataset=local-climatological-data-v2&stations=USW00014739&startDate=2012-01-01&endDate=2014-12-31&dataTypes=HourlyPrecipitation&format=csv&units=metric11%
  • Other (972)
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
984 · 0.4% of valid

snapshot_date

date

Latest UTC observation date included in this table snapshot; acquisition timestamps are recorded in the build receipt.

  • 2026-09-05100%
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
1 · 0% of valid

latitude

decimal

Station latitude effective on the local report date; approximate gauge location.

  • 42.3605700100%
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
1 · 0% of valid
Min
42.3605700
25%
42.3605700
Median
42.3605700
75%
42.3605700
Max
42.3605700

longitude

decimal

Station longitude effective on the local report date; approximate gauge location.

  • -71.0097500100%
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
1 · 0% of valid
Min
-71.0097500
25%
-71.0097500
Median
-71.0097500
75%
-71.0097500
Max
-71.0097500

coordinate_precision

string

Published precision code for the historical coordinate.

  • DDddddd64%
  • DDMMSS36%
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
2 · 0% of valid

coordinate_datum

string

Published horizontal datum.

  • WGS84100%
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
1 · 0% of valid

coordinate_source

string

Published coordinate evidence source.

  • ASOS CM100%
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
1 · 0% of valid

location_valid_from

date

Start of the matched location effective period.

  • 2009-10-0964%
  • 1996-04-0136%
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
2 · 0% of valid

location_valid_to

date

End of the matched period; null for Present.

  • 2009-10-09100%
Valid
84,723 · 36.4%
Missing
148,002 · 63.6%
Distinct
1 · 0% of valid

metadata_source_url

string

NOAA HOMR station-history source.

  • https://www.ncei.noaa.gov/access/homr/services/station/20009288?date=all&definitions=false100%
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
1 · 0% of valid

equipment_types

string

Distinct precipitation equipment codes for all active NOAA program records, separated by |; null if no matching history.

  • AWPAG86%
  • AHTB14%
  • AHTB | AWPAG0%
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
3 · 0% of valid

equipment_record_count

integer

Number of active precipitation equipment history records, including overlapping observation programs.

Histogram: 2 to 2.6666666666666665, 232,606; 2.6666666666666665 to 3.333333333333333, 0; 3.333333333333333 to 4, 119
24
Valid
232,725 · 100%
Missing
0 · 0%
Distinct
2 · 0% of valid
Min
2
25%
2
Median
2
75%
2
Max
4