{"station":{"icao":"KSAN","cliId":"SAN","pil":"CLISAN","city":{"slug":"san-diego","name":"샌디에이고","country":"United States"},"timezone":"America/Los_Angeles","feed":"https://api.weather.gov/products/types/CLI/locations/SAN","html":"https://weathermarket.io/nws-cli/KSAN","json":"https://weathermarket.io/api/nws-cli/KSAN"},"stationToday":"2026-11-14","day":{"date":"2026-08-31","status":"issued","note":"Final CLI issued - values.nwsOfficial carries the official daily values (metric here; official.issued.asReported keeps the °F / inch / mph exactly as printed).","settlement":{"tmaxF":78,"tminF":69,"precipIn":0,"precipTrace":false,"tmax":25.56,"tmin":20.56,"precip":0,"issuedAt":"2026-09-01T09:19:00.000Z","productId":"iem:CDUS46-KSGX-010919:SAN:2026-08-31:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLISAN&e=202609010919"},"issues":[{"kind":"interim","asOfLocal":"0400 PM","issuedAt":"2026-09-01T00:22:00.000Z","issuedLocal":"522 PM PDT MON AUG 31 2026","office":"KSGX","wmoHeader":"CDUS46 KSGX 010022","productId":"iem:CDUS46-KSGX-010022:SAN:2026-08-31:interim","source":"iem-afos","corrected":false,"tmaxF":78,"tmaxTimeLocal":"2:48 PM","tminF":71,"tminTimeLocal":"6:19 AM","precipIn":0,"precipTrace":false,"snowIn":null,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLISAN&e=202609010022","parseProblems":[],"rawTextSha256":"9fd0c680aec536842971ef2f54fe22af704418c3b9463dc7d6225487770277d1","rawText":"CDUS46 KSGX 010022\nCLISAN\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE SAN DIEGO, CA\n522 PM PDT MON AUG 31 2026\n\n...................................\n\n...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 31 2026...\nVALID TODAY AS OF 0400 PM LOCAL TIME.\n\nCLIMATE NORMAL PERIOD: 1991 TO 2020\nCLIMATE RECORD PERIOD: 1874 TO 2026\n\n\nWEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST \n VALUE (LST) VALUE VALUE FROM YEAR \n NORMAL \n...................................................................\nTEMPERATURE (F) \n TODAY \n MAXIMUM 78 2:48 PM 98 1955 78 0 80 \n MINIMUM 71 6:19 AM 58 1901 67 4 69 \n 1942 \n AVERAGE 75 73 2 75 \n\nPRECIPITATION (IN) \n TODAY 0.00 0.14 1967 0.00 0.00 0.00 \n MONTH TO DATE T 0.01 -0.01 0.05 \n SINCE JUL 1 T 0.09 -0.09 0.05 \n SINCE OCT 1 10.09 9.67 0.42 4.61 \n SINCE JAN 1 5.37 6.71 -1.34 4.47 \n\nDEGREE DAYS \n HEATING \n TODAY 0 0 0 0 \n MONTH TO DATE 0 0 0 0 \n SINCE JUN 1 0 11 -11 5 \n SINCE JUL 1 0 1 -1 0 \n\n COOLING \n TODAY 10 8 2 10 \n MONTH TO DATE 340 230 110 204 \n SINCE JUN 1 679 482 197 392 \n SINCE JAN 1 805 560 245 432 \n...................................................................\n\n\nWIND (MPH) \n RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (280) \n HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (290) \n HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (310) \n AVERAGE WIND SPEED 6.3 \n\n\nSKY COVER \n POSSIBLE SUNSHINE MM \n AVERAGE SKY COVER 0.4 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED TODAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 81 12:00 AM \n LOWEST 64 12:00 PM \n AVERAGE 73 \n\n..........................................................\n\n\nTHE SAN DIEGO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 78 104 1955 \n MINIMUM TEMPERATURE (F) 67 58 1881 \n\n\nSUNRISE AND SUNSET \nAUGUST 31 2026........SUNRISE 6:23 AM PDT SUNSET 7:14 PM PDT \nSEPTEMBER 1 2026.....SUNRISE 6:23 AM PDT SUNSET 7:13 PM PDT \n\n\n- INDICATES NEGATIVE NUMBERS.\nR INDICATES RECORD WAS SET OR TIED.\nMM INDICATES DATA IS MISSING.\nT INDICATES TRACE AMOUNT.\n\n\n\n\n$$"},{"kind":"final","asOfLocal":null,"issuedAt":"2026-09-01T09:19:00.000Z","issuedLocal":"219 AM PDT TUE SEP 01 2026","office":"KSGX","wmoHeader":"CDUS46 KSGX 010919","productId":"iem:CDUS46-KSGX-010919:SAN:2026-08-31:final","source":"iem-afos","corrected":false,"tmaxF":78,"tmaxTimeLocal":"2:48 PM","tminF":69,"tminTimeLocal":"11:59 PM","precipIn":0,"precipTrace":false,"snowIn":null,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLISAN&e=202609010919","parseProblems":[],"rawTextSha256":"4aca0a0f031d162c003bb89629f1f296703f5be18c9aad2bdf0fb9ec2353d89c","rawText":"CDUS46 KSGX 010919\nCLISAN\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE SAN DIEGO, CA\n219 AM PDT TUE SEP 01 2026\n\n...................................\n\n...THE SAN DIEGO INTL AIRPORT CA CLIMATE SUMMARY FOR AUGUST 31 2026...\n\nCLIMATE NORMAL PERIOD: 1991 TO 2020\nCLIMATE RECORD PERIOD: 1874 TO 2026\n\n\nWEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST \n VALUE (LST) VALUE VALUE FROM YEAR \n NORMAL \n...................................................................\nTEMPERATURE (F) \n YESTERDAY \n MAXIMUM 78 2:48 PM 98 1955 78 0 80 \n MINIMUM 69 11:59 PM 58 1901 67 2 69 \n 1942 \n AVERAGE 74 73 1 75 \n\nPRECIPITATION (IN) \n YESTERDAY 0.00 0.14 1967 0.00 0.00 0.00 \n MONTH TO DATE 0.00 0.01 -0.01 0.05 \n SINCE JUL 1 0.00 0.09 -0.09 0.05 \n SINCE OCT 1 10.09 9.67 0.42 4.61 \n SINCE JAN 1 5.37 6.71 -1.34 4.47 \n\nDEGREE DAYS \n HEATING \n YESTERDAY 0 0 0 0 \n MONTH TO DATE 0 0 0 0 \n SINCE JUN 1 0 11 -11 5 \n SINCE JUL 1 0 1 -1 0 \n\n COOLING \n YESTERDAY 9 8 1 10 \n MONTH TO DATE 339 230 109 204 \n SINCE JUN 1 678 482 196 392 \n SINCE JAN 1 804 560 244 432 \n...................................................................\n\n\nWIND (MPH) \n RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (290) \n HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (290) \n HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (310) \n AVERAGE WIND SPEED 6.0 \n\n\nSKY COVER \n POSSIBLE SUNSHINE MM \n AVERAGE SKY COVER 0.3 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n NO SIGNIFICANT WEATHER WAS OBSERVED. \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 84 10:00 PM \n LOWEST 64 12:00 PM \n AVERAGE 74 \n\n..........................................................\n\n\nTHE SAN DIEGO INTL AIRPORT CA CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 78 104 1955 \n MINIMUM TEMPERATURE (F) 67 58 1881 \n\n\nSUNRISE AND SUNSET \nSEPTEMBER 1 2026.....SUNRISE 6:23 AM PDT SUNSET 7:13 PM PDT \nSEPTEMBER 2 2026.....SUNRISE 6:24 AM PDT SUNSET 7:12 PM PDT \n\n\n- INDICATES NEGATIVE NUMBERS.\nR INDICATES RECORD WAS SET OR TIED.\nMM INDICATES DATA IS MISSING.\nT INDICATES TRACE AMOUNT.\n\n\n\n\n$$"}],"html":"https://weathermarket.io/nws-cli/KSAN/2026-08-31","json":"https://weathermarket.io/api/nws-cli/KSAN/2026-08-31"},"about":{"product":"NWS Climatological Report (CLI): the daily climate summary issued by the local NWS forecast office from the station's 1-minute ASOS record, normally 1-3 hours after local midnight (final, 'YESTERDAY') and once during the day (interim, 'TODAY AS OF'). Corrections are re-issued under the same PIL with CORRECTED in the text.","settlementRule":"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.","archive":"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.","verify":["Each issue carries the NWS product id (api.weather.gov keeps products for a limited time) and a link to the IEM AFOS permanent archive of the same product.","rawTextSha256 is the SHA-256 of the stored product text; compare it with the text at either link to confirm nothing was altered.","Permalink pattern for market rules: https://weathermarket.io/nws-cli/KSAN/YYYY-MM-DD (HTML) and https://weathermarket.io/api/nws-cli/KSAN/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the final NWS Climatological Report (CLI) for station KSAN for the contract date, as archived verbatim at https://weathermarket.io/nws-cli/KSAN/YYYY-MM-DD with links to the NWS product and the IEM archive. A CORRECTED re-issue published before the settlement time supersedes earlier issues."}}