BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//AnKo Software Labs//Frost dates//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:Frost dates — Haverhill\, MA
BEGIN:VEVENT
UID:haverhill-ma-last-spring-50@localfrostdates.com
DTSTAMP:20261029T115611Z
DTSTART;VALUE=DATE:20270501
DTEND;VALUE=DATE:20270502
RRULE:FREQ=YEARLY
SUMMARY:Typical last spring frost (50%) — Haverhill\, MA
DESCRIPTION:Half of springs still have a frost (32°F) after this date. The
 se are probabilities from NOAA 1991–2020 climate normals for this weathe
 r station\, not a forecast. Details: https://localfrostdates.com/stations/
 haverhill-ma/
URL:https://localfrostdates.com/stations/haverhill-ma/
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:haverhill-ma-planting-10@localfrostdates.com
DTSTAMP:20261029T115611Z
DTSTART;VALUE=DATE:20270514
DTEND;VALUE=DATE:20270515
RRULE:FREQ=YEARLY
SUMMARY:Lower-risk planting date (10%) — Haverhill\, MA
DESCRIPTION:Only about 1 spring in 10 has a frost (32°F) after this date. 
 These are probabilities from NOAA 1991–2020 climate normals for this wea
 ther station\, not a forecast. Details: https://localfrostdates.com/statio
 ns/haverhill-ma/
URL:https://localfrostdates.com/stations/haverhill-ma/
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:haverhill-ma-first-fall-50@localfrostdates.com
DTSTAMP:20261029T115611Z
DTSTART;VALUE=DATE:20271012
DTEND;VALUE=DATE:20271013
RRULE:FREQ=YEARLY
SUMMARY:Typical first fall frost (50%) — Haverhill\, MA
DESCRIPTION:Half of falls have had the first frost (32°F) by this date. Th
 ese are probabilities from NOAA 1991–2020 climate normals for this weath
 er station\, not a forecast. Details: https://localfrostdates.com/stations
 /haverhill-ma/
URL:https://localfrostdates.com/stations/haverhill-ma/
TRANSP:TRANSPARENT
END:VEVENT
END:VCALENDAR