NWS CLI archive · settlement source
CLIBOS · 보스턴 · America/New_York · ← 2026-10-10 · 2026-10-12 → · All dates for KBOS · JSON · METAR-derived record
Final issued 2026-10-12 01:26:00 EDT · Product id iem:CDUS41-KBOX-120526:BOS:2026-10-11:final · IEM archive
Product id iem:CDUS41-KBOX-120526:BOS:2026-10-11:final · iem-afos · IEM archive
SHA-256 6e118d83ef766c98bfdb1d569a45400982fa3e827ab13b54b4f91d7ce40e4aea
Product text
CDUS41 KBOX 120526
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
126 AM EDT MON OCT 12 2026
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 11 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 60 149 PM 82 1955 64 -4 64
MINIMUM 48 316 AM 32 1881 49 -1 52
1979
AVERAGE 54 56 -2 58
PRECIPITATION (IN)
YESTERDAY 1.44R 0.85 2006 0.12 1.32 0.00
MONTH TO DATE 1.44 1.40 0.04 0.85
SINCE SEP 1 6.79 4.96 1.83 3.94
SINCE JAN 1 24.35 33.00 -8.65 28.89
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2007 0.0 0.0 0.0
2008
2009
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
DEGREE DAYS
HEATING
YESTERDAY 11 9 2 7
MONTH TO DATE 58 81 -23 60
SINCE SEP 1 141 152 -11 92
SINCE JUL 1 141 161 -20 99
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 16 6 10 23
SINCE SEP 1 93 97 -4 108
SINCE JAN 1 1010 797 213 865
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SE (120)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 6.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 800 PM
LOWEST 55 200 PM
AVERAGE 76
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 90 1954
MINIMUM TEMPERATURE (F) 49 31 1876
SUNRISE AND SUNSET
OCTOBER 12 2026.......SUNRISE 654 AM EDT SUNSET 607 PM EDT
OCTOBER 13 2026.......SUNRISE 655 AM EDT SUNSET 605 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$Product id iem:CDUS41-KBOX-112123:BOS:2026-10-11:interim · iem-afos · IEM archive
SHA-256 edf82e31f512f467983a70f4377b5a127b46e4067b4a2817f6cd1bc0f46bf5f8
Product text
CDUS41 KBOX 112123
CLIBOS
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
523 PM EDT SUN OCT 11 2026
...................................
...THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 11 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 60 149 PM 82 1955 64 -4 64
MINIMUM 48 316 AM 32 1881 49 -1 52
1979
AVERAGE 54 56 -2 58
PRECIPITATION (IN)
TODAY T 0.85 2006 0.12 -0.12 0.00
MONTH TO DATE T 1.40 -1.40 0.85
SINCE SEP 1 5.35 4.96 0.39 3.94
SINCE JAN 1 22.91 33.00 -10.09 28.89
SNOWFALL (IN)
TODAY 0.0 0.0 2007 0.0 0.0 0.0
2008
2009
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
DEGREE DAYS
HEATING
TODAY 11 9 2 7
MONTH TO DATE 58 81 -23 60
SINCE SEP 1 141 152 -11 92
SINCE JUL 1 141 161 -20 99
COOLING
TODAY 0 0 0 0
MONTH TO DATE 16 6 10 23
SINCE SEP 1 93 97 -4 108
SINCE JAN 1 1010 797 213 865
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 3.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 400 PM
LOWEST 55 200 PM
AVERAGE 65
..........................................................
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 90 1954
MINIMUM TEMPERATURE (F) 49 31 1876
SUNRISE AND SUNSET
OCTOBER 11 2026.......SUNRISE 652 AM EDT SUNSET 609 PM EDT
OCTOBER 12 2026.......SUNRISE 654 AM EDT SUNSET 607 PM EDT
- 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 KBOS for the contract date, as archived verbatim at https://weathermarket.io/nws-cli/KBOS/2026-10-11 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.