{"station":{"icao":"KSFO","cliId":"SFO","pil":"CLISFO","city":{"slug":"san-francisco","name":"샌프란시스코","country":"United States"},"timezone":"America/Los_Angeles","feed":"https://api.weather.gov/products/types/CLI/locations/SFO","html":"https://weathermarket.io/nws-cli/KSFO","json":"https://weathermarket.io/api/nws-cli/KSFO"},"stationToday":"2026-11-13","day":{"date":"2026-09-30","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":56,"precipIn":0,"precipTrace":false,"tmax":25.56,"tmin":13.33,"precip":0,"issuedAt":"2026-10-01T08:32:00.000Z","productId":"iem:CDUS46-KMTR-010832:SFO:2026-09-30:final","corrected":false,"reissues":0,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLISFO&e=202610010832"},"issues":[{"kind":"interim","asOfLocal":"0500 PM","issuedAt":"2026-10-01T00:33:00.000Z","issuedLocal":"533 PM PDT WED SEP 30 2026","office":"KMTR","wmoHeader":"CDUS46 KMTR 010033","productId":"iem:CDUS46-KMTR-010033:SFO:2026-09-30:interim","source":"iem-afos","corrected":false,"tmaxF":78,"tmaxTimeLocal":"2:08 PM","tminF":57,"tminTimeLocal":"5:58 AM","precipIn":0,"precipTrace":false,"snowIn":null,"snowTrace":false,"nwsProductUrl":null,"iemArchiveUrl":"https://mesonet.agron.iastate.edu/wx/afos/p.php?pil=CLISFO&e=202610010033","parseProblems":[],"rawTextSha256":"0a79bf83678465667e0215725e10fad85d861fa22dc60da29e9566b2e7a9df77","rawText":"CDUS46 KMTR 010033\nCLISFO\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA\n533 PM PDT WED SEP 30 2026\n\n...................................\n\n...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 2026...\nVALID TODAY AS OF 0500 PM LOCAL TIME.\n\nCLIMATE NORMAL PERIOD: 1991 TO 2020\nCLIMATE RECORD PERIOD: 1927 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 2:08 PM 94 1980 75 3 74 \n 2001 \n MINIMUM 57 5:58 AM 41 1950 55 2 63 \n AVERAGE 68 65 3 69 \n\nPRECIPITATION (IN) \n TODAY 0.00 0.56 1983 0.01 -0.01 T \n MONTH TO DATE 0.01 0.07 -0.06 0.07 \n SINCE OCT 1 19.63 19.64 -0.01 16.18 \n SINCE JAN 1 10.78 12.67 -1.89 7.62 \n\nSNOWFALL (IN) \n TODAY MM 0.0 \n MONTH TO DATE T \n SINCE SEP 1 T \n SINCE JUL 1 T \n SNOW DEPTH MM \n\nDEGREE DAYS \n HEATING \n TODAY 0 2 -2 0 \n MONTH TO DATE 22 44 -22 3 \n SINCE SEP 1 22 44 -22 3 \n SINCE JUL 1 96 146 -50 93 \n\n COOLING \n TODAY 3 2 1 4 \n MONTH TO DATE 60 56 4 78 \n SINCE SEP 1 60 56 4 78 \n SINCE JAN 1 171 166 5 128 \n...................................................................\n\n\nWIND (MPH) \n RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (310) \n HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (310) \n HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (310) \n AVERAGE WIND SPEED 7.3 \n\n\nSKY COVER \n POSSIBLE SUNSHINE MM \n AVERAGE SKY COVER 0.0 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED TODAY. \n FOG \n HAZE \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 87 4:00 AM \n LOWEST 48 2:00 PM \n AVERAGE 68 \n\n..........................................................\n\n\nTHE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TOMORROW\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 75 97 1980 \n MINIMUM TEMPERATURE (F) 55 42 1950 \n\n\nSUNRISE AND SUNSET \nSEPTEMBER 30 2026.....SUNRISE 7:04 AM PDT SUNSET 6:54 PM PDT \nOCTOBER 1 2026.......SUNRISE 7:05 AM PDT SUNSET 6:52 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":"2026-10-01T08:32:00.000Z","issuedLocal":"132 AM PDT THU OCT 01 2026","office":"KMTR","wmoHeader":"CDUS46 KMTR 010832","productId":"iem:CDUS46-KMTR-010832:SFO:2026-09-30:final","source":"iem-afos","corrected":false,"tmaxF":78,"tmaxTimeLocal":"2:08 PM","tminF":56,"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=CLISFO&e=202610010832","parseProblems":[],"rawTextSha256":"726ca2dfefda1a0b5241a21b450af8e94515fb850d16ec4bead291edac610baa","rawText":"CDUS46 KMTR 010832\nCLISFO\n\nCLIMATE REPORT \nNATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA\n132 AM PDT THU OCT 01 2026\n\n...................................\n\n...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 2026...\n\nCLIMATE NORMAL PERIOD: 1991 TO 2020\nCLIMATE RECORD PERIOD: 1927 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 2:08 PM 94 1980 75 3 74 \n 2001 \n MINIMUM 56 11:59 PM 41 1950 55 1 63 \n AVERAGE 67 65 2 69 \n\nPRECIPITATION (IN) \n YESTERDAY 0.00 0.56 1983 0.01 -0.01 T \n MONTH TO DATE 0.01 0.07 -0.06 0.07 \n SINCE OCT 1 19.63 19.64 -0.01 16.18 \n SINCE JAN 1 10.78 12.67 -1.89 7.62 \n\nSNOWFALL (IN) \n YESTERDAY MM 0.0 \n MONTH TO DATE T \n SINCE SEP 1 T \n SINCE JUL 1 T \n\nDEGREE DAYS \n HEATING \n YESTERDAY 0 2 -2 0 \n MONTH TO DATE 22 44 -22 3 \n SINCE SEP 1 22 44 -22 3 \n SINCE JUL 1 96 146 -50 93 \n\n COOLING \n YESTERDAY 2 2 0 4 \n MONTH TO DATE 59 56 3 78 \n SINCE SEP 1 59 56 3 78 \n SINCE JAN 1 170 166 4 128 \n...................................................................\n\n\nWIND (MPH) \n RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NW (310) \n HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300) \n HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (300) \n AVERAGE WIND SPEED 9.9 \n\n\nSKY COVER \n POSSIBLE SUNSHINE MM \n AVERAGE SKY COVER 0.1 \n\n\nWEATHER CONDITIONS \nTHE FOLLOWING WEATHER WAS RECORDED YESTERDAY. \n FOG \n HAZE \n\n\nRELATIVE HUMIDITY (PERCENT)\n HIGHEST 93 11:00 PM \n LOWEST 48 2:00 PM \n AVERAGE 71 \n\n..........................................................\n\n\nTHE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY\n NORMAL RECORD YEAR \n MAXIMUM TEMPERATURE (F) 75 97 1980 \n MINIMUM TEMPERATURE (F) 55 42 1950 \n\n\nSUNRISE AND SUNSET \nOCTOBER 1 2026.......SUNRISE 7:05 AM PDT SUNSET 6:52 PM PDT \nOCTOBER 2 2026.......SUNRISE 7:06 AM PDT SUNSET 6:51 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/KSFO/2026-09-30","json":"https://weathermarket.io/api/nws-cli/KSFO/2026-09-30"},"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/KSFO/YYYY-MM-DD (HTML) and https://weathermarket.io/api/nws-cli/KSFO/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the final NWS Climatological Report (CLI) for station KSFO for the contract date, as archived verbatim at https://weathermarket.io/nws-cli/KSFO/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."}}