A cold front passed over the Florida peninsula on February 16th with cool air filling in behind the front.  Temperatures fell down to near freezing along the Nature Coast on the morning of the 17th, but the coldest temperatures were recorded on the morning of the 18th.
Temperatures stayed below freezing for up to 8 hours over the Nature Coast with hard freeze conditions occurring for up to 6 hours.  Over Central Florida, freezing temperatures were recorded for around 2 to 4 hours with isolated locations recording a few hours of hard freeze conditions.  Parts of southwest Florida experienced 2 to 3 hours of sub-freezing temperatures.
No significant crop damage was reported.
Levy County recorded sub-freezing temperatures for around 6 to 8 hours across interior portions of the county.  The coldest temperature reported was 25 degrees at the RAWS site at Lower Suwannee.
Citrus County recorded sub-freezing temperatures for around 6 to 8 hours across interior portions of the county.  The coldest temperature reported was 27 degrees at the AWOS in Inverness.
Hernando County recorded sub-freezing temperatures for around 8 hours over interior portions of the county.  The coldest temperature reported was 27 degrees at the mesonet site 2 miles northwest of Weeki Wachee.
Sumter County recorded sub-freezing temperatures for 4 to 6 hours across much of the county.  The coldest temperature reported was 25 degrees at the FAWN site at Okahumpka, near the eastern Sumter county border.
Pasco County recorded sub-freezing temperatures for around 6 hours across much of the interior portions of the county.  The coldest temperature reported was 27 degrees at the mesonet site 1 mile east-northeast of Zepherhills.
Isolated spots in interior Hillsborough County recorded freezing temperatures for around 2 hours.  The coldest temperature reported was 32 degrees at the AWOS at Tampa Executive Airport.
Isolated spots in Polk County recorded sub-freezing temperatures for around 2 hours hours.  The coldest temperature reported was 30 degrees at the AWOS in Bartow.
Isolated spots in interior Manatee County recorded sub-freezing temperatures for up to 2 hours.  The coldest temperature reported was 30 degrees at the mesonet site 4 miles west-northwest of Lake Manatee State Park.

Isolated spots in interior Sarasota County recorded sub-freezing temperatures for around 3 hours.  The coldest temperature reported was 30 degrees at the FAWN site at North Port.
Hardee County recorded sub-freezing temperatures for up to 4 hours across much of the county.  The coldest temperature reported was 28 degrees at the COOP site at Wauchula.
Isolated spots in Highlands County recorded sub-freezing temperatures for up to 4 hours.  The coldest temperature reported was 28 degrees at the COOP site at Archbold.

Frost/Freeze in CITRUS, FLORIDA
From 18-FEB-13 00:00:00 to 18-FEB-13 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Citrus County recorded sub-freezing temperatures for around 6 to 8 hours across interior portions of the county.  The coldest temperature reported was 27 degrees at the AWOS in Inverness.

Frost/Freeze in HERNANDO, FLORIDA
From 18-FEB-13 00:00:00 to 18-FEB-13 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Hernando County recorded sub-freezing temperatures for around 8 hours over interior portions of the county.  The coldest temperature reported was 27 degrees at the mesonet site 2 miles northwest of Weeki Wachee.

Frost/Freeze in SUMTER, FLORIDA
From 18-FEB-13 02:00:00 to 18-FEB-13 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Sumter County recorded sub-freezing temperatures for 4 to 6 hours across much of the county.  The coldest temperature reported was 25 degrees at the FAWN site at Okahumpka, near the eastern Sumter county border.

Frost/Freeze in PASCO, FLORIDA
From 18-FEB-13 02:00:00 to 18-FEB-13 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Pasco County recorded sub-freezing temperatures for around 6 hours across much of the interior portions of the county.  The coldest temperature reported was 27 degrees at the mesonet site 1 mile east-northeast of Zepherhills.

Frost/Freeze in HILLSBOROUGH, FLORIDA
From 18-FEB-13 06:00:00 to 18-FEB-13 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Isolated spots in interior Hillsborough County recorded freezing temperatures for around 2 hours.  The coldest temperature reported was 32 degrees at the AWOS at Tampa Executive Airport.

Frost/Freeze in POLK, FLORIDA
From 18-FEB-13 06:00:00 to 18-FEB-13 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Isolated spots in Polk County recorded sub-freezing temperatures for around 2 hours hours.  The coldest temperature reported was 30 degrees at the AWOS in Bartow.

Frost/Freeze in MANATEE, FLORIDA
From 18-FEB-13 06:00:00 to 18-FEB-13 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Isolated spots in interior Manatee County recorded sub-freezing temperatures for up to 2 hours.  The coldest temperature reported was 30 degrees at the mesonet site 4 miles west-northwest of Lake Manatee State Park.

Frost/Freeze in SARASOTA, FLORIDA
From 18-FEB-13 05:00:00 to 18-FEB-13 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Isolated spots in interior Sarasota County recorded sub-freezing temperatures for around 3 hours.  The coldest temperature reported was 30 degrees at the FAWN site at North Port.

Frost/Freeze in HARDEE, FLORIDA
From 18-FEB-13 04:00:00 to 18-FEB-13 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hardee County recorded sub-freezing temperatures for up to 4 hours across much of the county.  The coldest temperature reported was 28 degrees at the COOP site at Wauchula.

Frost/Freeze in HIGHLANDS, FLORIDA
From 18-FEB-13 04:00:00 to 18-FEB-13 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Isolated spots in Highlands County recorded sub-freezing temperatures for up to 4 hours.  The coldest temperature reported was 28 degrees at the COOP site at Archbold.

Frost/Freeze in LEVY, FLORIDA
From 18-FEB-13 00:00:00 to 18-FEB-13 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Levy County recorded sub-freezing temperatures for around 6 to 8 hours across interior portions of the county.  The coldest temperature reported was 25 degrees at the RAWS site at Lower Suwannee.