Public Information Statement National Weather Service Columbia SC 314 PM EDT Aug 23 2023 ...Climate Summary for June and July 2023... ...June... ...Temperatures Below Normal Across the Midlands and CSRA... ...Tied for the 6th Coolest May on Record at Augusta... ...Rainfall Above Normal for the Month... ...Multiple Severe Weather and Flash Flood Events... ...River Flooding During the 3rd Week of the Month... ...July... ...Temperatures Close to Normal for July... ...Rainfall Varied Across the Midlands and CSRA... ...Portions of the western and northern Midlands Quite Dry... ...Active Month for Severe Weather and Flash Flooding... .Columbia SC Average Temperatures... The average temperature at Columbia Metropolitan Airport for June was 76.2 degrees or 2.9 degrees below the monthly normal of 79.1 degrees. The average temperature at Columbia Metropolitan Airport for July was 83.0 degrees or 0.6 degrees above the monthly normal of 82.4 degrees. .Augusta GA Average Temperatures... The average temperature at Augusta Regional Bush Field for June was 75.1 degrees or 4.6 degrees below the monthly normal of 79.7 degrees. The average temperature at Augusta Regional Bush Field for July was 81.9 degrees or 0.9 degrees below the monthly normal of 82.8 degrees. .Columbia Rainfall... Columbia Metro Airport received 6.12 inches of rainfall during June, 1.15 inches above the monthly normal of 4.97 inches. Columbia Metro Airport received 5.57 inches of rainfall during July, 0.22 inches above the monthly normal of 5.35 inches. .Augusta Rainfall... Augusta Bush Field received 6.17 inches of rainfall during June, 1.42 inches above the monthly value of 4.75 inches. Augusta Bush Field received 7.62 inches of rainfall during July, 3.14 inches above the monthly value of 4.48 inches. YEAR TO DATE MONTHLY TEMPERATURE AND PRECIPITATION STATS... COLUMBIA SC METROPOLITAN AIRPORT 2022-2023 MONTHLY AVERAGE TEMPERATURES AND DEPARTURES FROM NORMAL... AVG HIGH/DEP AVG LOW/DEP AVG TEMP NORM DEPARTURE Jan 2022 55.3/-1.7 32.7/-1.9 44.0 45.7 -1.7 Feb 65.4/+4.6 40.1/+2.8 52.8 49.1 +3.7 Mar 71.6/+3.3 45.7/+2.1 58.6 55.9 +2.7 Apr 76.5/-0.2 49.9/-1.4 63.2 64.1 -0.9 May 85.7/+1.9 63.6/+3.1 74.7 72.2 +2.5 Jun 92.8/+3.1 69.6/+1.0 81.2 79.1 +2.1 Jul 91.5/-1.2 74.0/+2.0 82.7 82.4 +0.3 Aug 88.5/-1.9 71.4/+0.1 80.1 81.0 -0.9 Sep 86.0/+0.3 63.8/-1.5 74.9 75.5 -0.6 Oct 74.5/-2.0 50.2/-2.5 62.4 64.6 -2.2 Nov 67.8/+1.4 47.0/+5.4 57.4 54.0 +3.4 Dec 56.0/-2.9 36.3/-0.2 46.2 47.7 -1.5 Jan 2023 62.1/+5.3 40.5/+5.9 51.3 45.7 +5.6 Feb 68.8/+8.0 44.5/+7.2 56.7 49.1 +7.6 Mar 69.8/+1.5 47.1/+3.5 58.5 55.9 +2.6 Apr 77.3/+0.6 52.3/+0.8 64.8 64.1 +0.7 May 78.9/-4.9 58.8/-1.7 68.9 72.2 -3.3 Jun 86.3/-3.4 66.1/-2.5 76.2 79.1 -2.9 Jul 92.5/-0.2 73.5/+1.5 83.0 82.4 +0.6 AUGUSTA GA BUSH FIELD 2022-2023 MONTHLY AVERAGE TEMPERATURES AND DEPARTURES FROM NORMAL... AVG HIGH/DEP AVG LOW/DEP AVG TEMP NORM DEPARTURE Jan 2022 58.8/-0.8 32.9/-2.4 45.8 47.4 -1.6 Feb 68.6/+5.1 38.8/+0.7 53.7 50.8 +2.9 Mar 73.2/+2.2 44.5/+0.4 58.8 57.5 +1.3 Apr 77.7/-0.8 46.5/-4.1 62.1 64.6 -2.5 May 86.1/+0.2 60.1/+0.5 73.1 72.7 +0.4 Jun 92.0/+0.7 66.3/-1.8 79.1 79.7 -0.6 Jul 91.8/-2.3 71.6/ 0.0 81.7 82.8 -1.1 Aug 89.5/-3.1 69.9/-1.1 79.7 81.8 -2.1 Sep 85.3/-2.5 61.8/-3.2 73.5 76.4 -2.9 Oct 76.1/-2.9 47.4/-5.7 61.7 66.0 -4.3 Nov 69.1/ 0.0 45.6/+3.4 57.4 55.6 +1.8 Dec 57.7/-3.8 36.3/-1.0 47.0 49.4 -2.4 Jan 2023 62.0/+2.4 37.6/+2.3 49.8 47.4 +2.4 Feb 70.3/+6.8 42.6/+4.5 56.4 50.8 +5.6 Mar 70.5/-0.5 44.4/+0.3 57.5 57.5 0.0 Apr 77.2/-1.3 49.5/-1.1 63.3 64.6 -1.3 May 79.0/-6.9 57.6/-2.0 68.3 72.7 -4.4 Jun 86.9/-4.4 63.2/-4.9 75.1 79.7 -4.6 Jul 92.6/-1.5 71.2/-0.4 81.9 82.8 -0.9 COLUMBIA SC METROPOLITAN AIRPORT 2022-2023 MONTHLY/YEARLY PRECIPITATION... TOTAL NORMAL DEPARTURE (INCHES) Jan 2021 4.04 3.49 +0.66 Feb 1.88 3.39 -1.51 Mar 2.05 3.57 -1.52 Apr 6.67 2.83 +2.84 May 2.92 3.49 -0.57 Jun 2.80 4.97 -2.17 Jul 6.39 5.35 +1.04 Aug 4.48 4.65 -0.17 Sep 3.15 3.91 -0.76 Oct 1.04 3.13 -2.09 Nov 3.40 2.76 +0.64 Dec 3.02 3.70 -0.68 YTD Total 40.84 45.24 -4.40 Jan 2023 5.79 3.49 +2.30 Feb 3.50 3.39 +0.11 Mar 4.82 3.57 +1.25 Apr 5.04 2.83 +2.21 May 4.95 3.49 +1.46 Jun 6.12 4.97 +1.15 Jul 5.57 5.35 +0.22 YTD Total 35.79 27.09 +8.70 AUGUSTA GA BUSH FIELD 2022-2023 MONTHLY/YEARLY PRECIPITATION... TOTAL NORMAL DEPARTURE (INCHES) Jan 2022 3.61 3.84 -0.11 Feb 1.63 3.67 -2.04 Mar 3.71 4.08 -0.37 Apr 4.90 2.92 +1.98 May 3.80 3.05 +0.75 Jun 3.96 4.75 -0.79 Jul 9.80 4.48 +5.32 *9th wettest July on Record Aug 5.66 4.61 +1.05 Sep 2.25 3.60 -1.35 Oct 1.84 2.56 -0.72 Nov 3.40 2.76 +0.64 Dec 3.76 3.87 -0.11 YTD Total 47.94 44.09 +3.85 Jan 2023 6.79 3.84 +2.95 Feb 5.08 3.67 +1.41 Mar 4.17 4.08 +0.09 Apr 6.56 2.92 +3.64 *7th wettest April on Record May 3.51 3.05 +0.46 Jun 6.17 4.75 +1.42 Jul 7.62 4.48 +3.14 YTD Total 39.90 26.79 +13.11 Temperature/Precipitation Records Tied or Broken during the month of June: Augusta... 22nd...A daily record rainfall of 3.03 inches was set. This breaks the previous record of 2.48 inches for this date set back in 2000. Columbia... None Temperature/Precipitation Records Tied or Broken during the month of July: Augusta... None Columbia... 3rd...A daily record high minimum temperature of 78 was set. This breaks the previous record of 77 degrees for this date set back in 2016. Here are some of the highest monthly rainfall totals for June from our NWS Coop Weather Observers: Bamberg (BAMS1).................11.54 inches N. Augusta (NAGS1)...............9.82 inches Orangeburg Water Plant (ORBS1)...9.62 inches Batesburg Water Plant (BATS1)....9.35 inches Manning Water Plant (MANS1)......7.37 inches Here are some highest monthly rainfall totals for June from our CoCoRaHS (Community Collaborative Rain, Hail and Snow Network): SC-OR-17 Orangeburg 3.2 NW.....15.74 inches SC-OR-37 Orangeburg 0.4 NNW....10.00 inches SC-LX-105 Gilbert 6.2 NNW........9.66 inches SC-SM-10 Sumter 0.3 ENE.........8.85 inches SC-ED-16 Edgefield 3.3 N.........8.72 inches GA-RC-18 Martinez 1.3 SE........8.78 inches GA-BK-9 S. Augusta 4.1 S.......6.29 inches GA-CU-9 Appling 2.0 E..........5.47 inches GA-MD-1 Thomson 2.5 S..........5.24 inches GA-LC-2 Tignall 10.2 NE........4.93 inches Here are some of the highest monthly rainfall totals for July from our NWS Coop Weather Observers: Salley 5.9 NNE (SLYS1)..........11.54 inches N. Augusta 2.3 SSE (NAGS1)......10.80 inches Wagener 1 SW (WGRS1).............9.04 inches Holly Hill 1 SW (HHLS1)..........6.61 inches Bamberg (BAMS1)..................6.58 inches Here are some of the lowest monthly rainfall totals for July from our NWS Coop Weather Observers: Jefferson 0.1 NNW (JEFS1).........0.74 inches Indian Land 5 SSE (INDS1)........0.95 inches Newberry WKDK (NWYS1)............1.10 inches Saluda Water Plant (SADS1).......1.61 inches Batesburg (BATS1)................1.81 inches Here are some highest monthly rainfall totals for July from our CoCoRaHS (Community Collaborative Rain, Hail and Snow Network): SC-AK-87 Salley 6.0 NNE........10.88 inches SC-RC-42 Columbia 3.1 E.........9.45 inches SC-OR-22 Santee 6.9 WSW.........9.40 inches SC-SM-35 Sumter 8.0 SSE.........8.66 inches SC-CF-15 Cheraw 4.9 WSW.........8.44 inches GA-RC-18 Martinez 1.3 S.........9.56 inches GA-MD-1 Thomson 2.5 S..........8.78 inches GA-BK-9 S. Augusta 4.1 S.......8.74 inches GA-CU-21 Martinez 3.0 NE........8.05 inches GA-LC-2 Tignall 10.2...........2.83 inches Significant Weather Events for June and July 2023... June: 6th and 7th...A weak surface trough along with daytime heating produced a moderately unstable environment. Strong to severe thunderstorms produced several reports across the eastern Midlands and CSRA of downed trees, limbs and hail up to 1 inch in diameter. 11th...Daytime heating led to the development of a weak to moderately unstable environment. The strong to severe thunderstorms downed treed and power lines across the central Midlands. 20th through 22nd...An upper level low west of the region along with daytime heating along with a very moist atmosphere produced strong to severe thunderstorms that produced locally heavy rainfall. Although the storms downed trees and power lines across the Midlands. The most significant impacts were due to the locally heavy rainfall across portions of Lexington and Saluda counties in the town of Batesburg. This area received 3 inches of rain in an hour and around 8 inches of rainfall over a two day period. There were numerous reports of flooded roadways and water entering into homes and businesses. In the CSRA, heavy rainfall fell across downtown Augusta. Over 2 inches of rain fell in less than 1 hour and over 3 inches for the day. Up to 4 feet of water covered roadways in downtown Augusta and the Olde Town area. At least a dozen vehicles were flooded and abandoned including 2 water rescues. Additionally water entered several homes in the area. 26th...A deep upper low over the Great Lakes and Ohio Valley moved toward the east coast with a strong frontal boundary. This provided a setup for storms that produced strong damaging winds. Some of the strongest storms occurred over Richland, Lexington and Kershaw counties. A downburst occurred on the north shore of Lake Murray near Dreher Island State Park and the Timberlake Community. Wind speeds were estimated to be around 80 mph and snapped or uprooted nearly 100 trees. A few trees fell on homes and vehicles. July... 3rd through 5th... Some isolated strong to severe thunderstorms produced some isolated wind damage along with locally heavy rainfall. On the 5th, over 2 inches of rain fell in one hour in the city of Orangeburg. This produced flooding along Malibu Drive affecting some apartments in a low lying area. 7th through 9th...Daytime heating combined with a surface boundary produced some scattered strong to severe thunderstorms across the Midlands. The storms downed trees, large limbs and power lines across the area. 15th...An isolated severe thunderstorm produced wind damage across McDuffie County in the CSRA. The storm downed multiple trees near the town of Thomson. 20th and 21st...Strong daytime heating along with an upper level system produced widespread strong to severe thunderstorms across the CSRA and the southeast Midlands. The storms downed numerous trees and powerlines. On the 20th, some of the hardest hit areas were across Lincoln, McCormick and Orangeburg counties. A strong storm moved across Lake Thurmond downing numerous trees at Elijah Clark State Park and Hamilton Branch State Park in McCormick County. At Elijah Clark SP, trees damaged 7 to 10 campers and 10 to 20 vehicles. At Hamilton Branch SP, approximately 18 to 20 trees were snapped or uprooted. The wind speeds were estimated to range from 75 to 85 mph. An isolated severe storm developed over northern Richland county and downed several trees and blow over a recycling shed at the county landfill. 23rd...A severe thunderstorm produced multiple downburst as it moved across Chesterfield county. The severe thunderstorm produced damage to numerous tree and limbs from near the Mt. Croghan area to near Cheraw State Park. Winds were estimated to range from 70 to 90 mph with the event. Two large farm building near Mt. Croghan were damaged significantly. Fortunately, all of the trees and limbs that fell just missed several homes and vehicles. 29th through 31st...A moist atmosphere and warm daytime temperatures produced some locally heavy rainfall and isolated strong to severe thunderstorms across the CSRA and eastern Midlands. Hydrology/River Stages... During the months of June and July, there was only one river flood event. That occurred during the later portion of June. From June 19th through 23rd, a widespread rainfall event produced totals from 2 to 5 inches with some higher amounts over 7 inches. This led to some minor to moderate river flooding along the Saluda, Congaree and N. Fork of the Edisto Rivers. Minor Flooding occurred along the Saluda River at Chappells crested at 19.02 feet on the 22nd. Flood Stage is 14.0 feet. The N. Fork of the Edisto River at Orangeburg crested at 8.86 feet on the 23rd. Flood Stage is 8.0 feet. The Congaree River at Carolina Eastman crested at 119.70 feet on the 24th. Flood Stage is 115.0 feet. The Congaree River at the Congaree NP-Gadsden crested at 17.02 feet on the 24th. Flood Stage is 15.0 feet. There were no rive flood events during the month of July. Lake Murray Water Temperatures (near surface) at the intake towers for June: Warmest...81.3 F on the 27th Coolest...66.6 F on the 1st and 2nd Lake Murray Water Temperatures (near surface) at the intake towers for July: Warmest...87.4 F on the 9th and 20th Coolest...76.3 F on the 8th June Peak Wind Gust at the ASOS Sites and Lake Wind Sites: Augusta Bush Field (AGS)..............55 mph on the 20th Columbia Metro Airport (CAE)..........50 mph on the 11th Augusta Daniel Field (DNL)............41 mph on the 25th Orangeburg County Airport (OGB).......39 mph on the 21st Columbia Hamilton-Owens Field (CUB)...36 mph on the 11th. Lake Murray Towers USGS (IRMS1).......34 mph on the 11th Lake Murray Flotilla Island (LMFS1)...32 mph on the 14th Lake Wateree Dam (WATS1)..............30 mph on the 14th July Peak Wind Gust at the ASOS Sites and Lake Wind Sites: Orangeburg County Airport (OGB).......54 mph on the 20th Augusta Bush Field (AGS)..............52 mph on the 20th Augusta Daniel Field (DNL)............47 mph on the 20th Columbia Metro Airport (CAE)..........38 mph on the 7th Columbia Hamilton-Owens Field (CUB)...35 mph on the 21st Lake Wateree Dam (WATS1)..............37 mph on the 30th Lake Murray Towers USGS (IRMS1).......29 mph on the 19th Lake Murray Flotilla Island (LMFS1)...26 mph on the 23rd The 3-Month Climate Outlook ...(September/October/November)... The outlook calls for about a 33 to 40 percent chance of above normal temperatures along with a 40 to 50 percent chance of above normal precipitation. ENSO (EL NINO SOUTHERN OSCILLATION)... ...El Nino Advisory... El Nino conditions are observed. Equatorial surface temperatures are above average across the central and eastern Pacific Ocean. The tropical Pacific atmosphere anomalies are consistent with El Nino conditions. El Nino is anticipated to continue through the Northern Hemisphere winter with a greater than 95 percent chance through December 2023-February 2024. Climate Outlooks and ENSO Discussions courtesy of NOAA Climate Prediction Center...www.cpc.ncep.noaa.gov . Much appreciation goes out to our NWS Cooperative Weather Observers...CoCoRaHS (Community...Collaborative...Rain... Hail and Snow Network) Observers...South Carolina State Climate Office...Southeast Regional Climate Center...Richland County Emergency Services...USGS...Clemson Extension and local weather partners for the data they provide throughout the year. Their hard work and dedication is greatly appreciated. Temperature records for Columbia go back to 1887 and for Augusta back to 1873. Precipitation records for Columbia go back to 1878 and for Augusta back to 1871. Additional climate information, including current and archived daily and monthly summaries, can be found on the National Weather Service Columbia SC home page at https://www.weather.gov/cae . $$ LCV