BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//AnKo Software Labs//Frost dates//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:Frost dates — Williston (Sloulin Airport)\, ND
BEGIN:VEVENT
UID:williston-sloulin-nd-last-spring-50@localfrostdates.com
DTSTAMP:20261029T115611Z
DTSTART;VALUE=DATE:20270521
DTEND;VALUE=DATE:20270522
RRULE:FREQ=YEARLY
SUMMARY:Typical last spring frost (50%) — Williston (Sloulin Airport)\, N
 D
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/
 williston-sloulin-nd/
URL:https://localfrostdates.com/stations/williston-sloulin-nd/
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:williston-sloulin-nd-planting-10@localfrostdates.com
DTSTAMP:20261029T115611Z
DTSTART;VALUE=DATE:20270603
DTEND;VALUE=DATE:20270604
RRULE:FREQ=YEARLY
SUMMARY:Lower-risk planting date (10%) — Williston (Sloulin Airport)\, ND
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/williston-sloulin-nd/
URL:https://localfrostdates.com/stations/williston-sloulin-nd/
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:williston-sloulin-nd-first-fall-50@localfrostdates.com
DTSTAMP:20261029T115611Z
DTSTART;VALUE=DATE:20270921
DTEND;VALUE=DATE:20270922
RRULE:FREQ=YEARLY
SUMMARY:Typical first fall frost (50%) — Williston (Sloulin Airport)\, ND
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
 /williston-sloulin-nd/
URL:https://localfrostdates.com/stations/williston-sloulin-nd/
TRANSP:TRANSPARENT
END:VEVENT
END:VCALENDAR