NWS CLI archive · settlement source
CLIIAD · 워싱턴 D.C. · America/New_York · ← 2026-11-02 · 2026-11-04 → · All dates for KIAD · JSON · METAR-derived record
Final issued 2026-11-04 02:23:00 EST · Product id a8c5990d-0d5a-4184-8b62-6d2859966b76 · NWS product · IEM archive
Product id a8c5990d-0d5a-4184-8b62-6d2859966b76 · nws-api · NWS product · IEM archive
SHA-256 8268d18516aeff6ccdb7ca464ad3875d4287e4b3910aea5d8a7fcb316681f866
Product text
000
CDUS41 KLWX 040723
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
223 AM EST WED NOV 04 2026
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 3 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 74 2:50 PM 81 1982 61 13 68
1990
MINIMUM 44 5:04 AM 22 1980 39 5 48
AVERAGE 59 50 9 58
PRECIPITATION (IN)
YESTERDAY 0.00 0.72 1970 0.11 -0.11 0.00
MONTH TO DATE 0.00 0.33 -0.33 0.00
SINCE SEP 1 7.41 7.92 -0.51 3.35
SINCE JAN 1 36.81 37.14 -0.33 27.99
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0
2002
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 6 15 -9 7
MONTH TO DATE 28 44 -16 33
SINCE SEP 1 238 373 -135 291
SINCE JUL 1 238 374 -136 293
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 268 174 94 182
SINCE JAN 1 1548 1230 318 1330
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 5.0
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 12:00 AM
LOWEST 50 2:00 PM
AVERAGE 72
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 81 1974
2003
MINIMUM TEMPERATURE (F) 39 21 1966
SUNRISE AND SUNSET
NOVEMBER 4 2026......SUNRISE 6:40 AM EST SUNSET 5:06 PM EST
NOVEMBER 5 2026......SUNRISE 6:42 AM EST SUNSET 5:05 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
Product id b1d081c7-3e38-40ba-8266-b4e73af51c68 · nws-api · NWS product · IEM archive
SHA-256 05eaf68868097c2855b6138f877bd92662dcf81311217c55f36c34daef2aed26
Product text
000
CDUS41 KLWX 032121
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
421 PM EST TUE NOV 03 2026
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 3 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 74 2:50 PM 81 1982 61 13 68
1990
MINIMUM 44 5:04 AM 22 1980 39 5 48
AVERAGE 59 50 9 58
PRECIPITATION (IN)
TODAY 0.00 0.72 1970 0.11 -0.11 0.00
MONTH TO DATE 0.00 0.33 -0.33 0.00
SINCE SEP 1 7.41 7.92 -0.51 3.35
SINCE JAN 1 36.81 37.14 -0.33 27.99
SNOWFALL (IN)
TODAY 0.0 0.0 2001 0.0 0.0 0.0
2002
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 6 15 -9 7
MONTH TO DATE 28 44 -16 33
SINCE SEP 1 238 373 -135 291
SINCE JUL 1 238 374 -136 293
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 268 174 94 182
SINCE JAN 1 1548 1230 318 1330
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 4.1
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 12:00 AM
LOWEST 50 2:00 PM
AVERAGE 72
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 81 1974
2003
MINIMUM TEMPERATURE (F) 39 21 1966
SUNRISE AND SUNSET
NOVEMBER 3 2026......SUNRISE 6:39 AM EST SUNSET 5:07 PM EST
NOVEMBER 4 2026......SUNRISE 6:40 AM EST SUNSET 5:06 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
Settlement source: the final NWS Climatological Report (CLI) for station KIAD for the contract date, as archived verbatim at https://weathermarket.io/nws-cli/KIAD/2026-11-03 with links to the NWS product and the IEM archive. A CORRECTED re-issue published before the settlement time supersedes earlier issues.
The settlement value for a date is the latest final CLI issued for that date; a corrected re-issue supersedes earlier issues. Interim same-day products never settle. This is the same rule that fills values.nwsOfficial in /api/station/{icao}/daily.
Every issue is stored verbatim as received - nothing is edited or re-derived. Products are held from 2026-09-01 (backfilled from the IEM AFOS archive) and ingested live from api.weather.gov since 2026-11-10, polled every 30 minutes. A date with no final CLI 14 hours after local midnight is reported as not_issued rather than filled in.