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Updated

3.2 MB across 1 part, newest sealed 18 September 2026 at 20:45 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.

  • KSFO100%
Valid
226,648 · 100%
Missing
0 · 0%
Distinct
1 · 0% of valid

city

string

City associated with the observation station.

  • San Francisco100%
Valid
226,648 · 100%
Missing
0 · 0%
Distinct
1 · 0% of valid

state

string

U.S. state abbreviation.

  • CA100%
Valid
226,648 · 100%
Missing
0 · 0%
Distinct
1 · 0% of valid

ghcn_id

string

NOAA GHCN station identifier.

  • USW00023234100%
Valid
226,648 · 100%
Missing
0 · 0%
Distinct
1 · 0% of valid

hour_utc

timestamp_utc

UTC hour bucket containing the selected report time.

  • 2000-01-01 08:00:00+000%
  • 2000-01-01 09:00:00+000%
  • 2000-01-01 10:00:00+000%
  • Other (226,636)
Valid
226,648 · 100%
Missing
0 · 0%
Distinct
226,648 · 100% of valid

observed_at

timestamp_utc

Selected report timestamp converted from local standard time to UTC.

  • 2000-01-01 08:00:00+000%
  • 2000-01-01 09:00:00+000%
  • 2000-01-01 10:00:00+000%
  • Other (226,636)
Valid
226,648 · 100%
Missing
0 · 0%
Distinct
226,648 · 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 01:00:000%
  • 2000-01-01 02:00:000%
  • Other (226,636)
Valid
226,648 · 100%
Missing
0 · 0%
Distinct
226,648 · 100% of valid

report_type

string

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

  • FM-1597%
  • SODHP3%
Valid
226,648 · 100%
Missing
0 · 0%
Distinct
2 · 0% of valid

report_source

string

NOAA source code.

  • 34382%
  • 33516%
  • 2232%
Valid
226,648 · 100%
Missing
0 · 0%
Distinct
4 · 0% of valid

precipitation_raw

string

Original HourlyPrecipitation token, preserving trace and quality flags.

  • 0.093%
  • T3%
  • 0.31%
  • Other (65)
Valid
222,160 · 98%
Missing
4,488 · 2%
Distinct
77 · 0% of valid

precipitation_mm

decimal

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

  • 0.000096%
  • 0.30001%
  • 0.50001%
  • Other (64)
Valid
215,447 · 95.1%
Missing
11,201 · 4.9%
Distinct
76 · 0% of valid
Min
0.0000
25%
0.0000
Median
0.0000
75%
0.0000
Max
22.3000

is_trace

boolean

True for source trace token T.

  • false97%
  • true3%
Valid
226,648 · 100%
Missing
0 · 0%
Distinct
2 · 0% of valid

quality_status

string

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

  • numeric95%
  • trace3%
  • missing2%
Valid
226,648 · 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_fallback97%
  • summary_hourly3%
Valid
226,648 · 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
226,648 · 100%
Missing
0 · 0%
Distinct
2 · 0% of valid

source_url

string

NOAA acquisition URL for the source time slice.

  • https://www.ncei.noaa.gov/access/services/data/v1?dataset=local-climatological-data-v2&stations=USW00023234&startDate=2006-01-01&endDate=2008-12-31&dataTypes=HourlyPrecipitation&format=csv&units=metric12%
  • https://www.ncei.noaa.gov/access/services/data/v1?dataset=local-climatological-data-v2&stations=USW00023234&startDate=2012-01-01&endDate=2014-12-31&dataTypes=HourlyPrecipitation&format=csv&units=metric12%
  • https://www.ncei.noaa.gov/access/services/data/v1?dataset=local-climatological-data-v2&stations=USW00023234&startDate=2018-01-01&endDate=2020-12-31&dataTypes=HourlyPrecipitation&format=csv&units=metric12%
Valid
226,648 · 100%
Missing
0 · 0%
Distinct
9 · 0% of valid

snapshot_date

date

Date this archived source snapshot was requested.

  • 2026-09-14100%
Valid
226,648 · 100%
Missing
0 · 0%
Distinct
1 · 0% of valid

latitude

decimal

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

  • 37.658060042%
  • 37.619700039%
  • 37.619620018%
Valid
226,648 · 100%
Missing
0 · 0%
Distinct
3 · 0% of valid
Min
37.6196200
25%
37.6197000
Median
37.6197000
75%
37.6580600
Max
37.6580600

longitude

decimal

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

  • -122.437780042%
  • -122.364700039%
  • -122.365620018%
Valid
226,648 · 100%
Missing
0 · 0%
Distinct
3 · 0% of valid
Min
-122.4377800
25%
-122.4377800
Median
-122.3656200
75%
-122.3647000
Max
-122.3647000

coordinate_precision

string

Published precision code for the historical coordinate.

  • DDMMSS65%
  • DDddddd35%
Valid
226,648 · 100%
Missing
0 · 0%
Distinct
2 · 0% of valid

coordinate_datum

string

Published horizontal datum.

  • NAD8368%
  • WGS8432%
Valid
130,753 · 57.7%
Missing
95,895 · 42.3%
Distinct
2 · 0% of valid

coordinate_source

string

Published coordinate evidence source.

  • ASOS SITE SURVEY68%
  • ASOS CM32%
Valid
130,753 · 57.7%
Missing
95,895 · 42.3%
Distinct
2 · 0% of valid

location_valid_from

date

Start of the matched location effective period.

  • 1996-10-0142%
  • 2011-09-2923%
  • 2021-11-2218%
Valid
226,648 · 100%
Missing
0 · 0%
Distinct
4 · 0% of valid

location_valid_to

date

End of the matched period; null for Present.

  • 2011-09-2952%
  • 2017-09-0728%
  • 2021-11-2220%
Valid
184,830 · 81.5%
Missing
41,818 · 18.5%
Distinct
3 · 0% of valid

metadata_source_url

string

NOAA HOMR station-history source.

  • https://www.ncei.noaa.gov/access/homr/services/station/10001448?date=all&definitions=false100%
Valid
226,648 · 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.

  • TB42%
  • AWPAG25%
  • AHTB | PCPNX23%
Valid
226,648 · 100%
Missing
0 · 0%
Distinct
6 · 0% of valid

equipment_record_count

integer

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

Histogram: 2 to 2.6666666666666665, 226,536; 2.6666666666666665 to 3.333333333333333, 0; 3.333333333333333 to 4, 112
24
Valid
226,648 · 100%
Missing
0 · 0%
Distinct
2 · 0% of valid
Min
2
25%
2
Median
2
75%
2
Max
4