Statewide Rankings

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Month:

State:

Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Alabama

Precipitation Rankings, September 1999

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
September 1999 1-Month	1.91" (48.51mm)	3.78" (96.01mm)	-1.87" (-47.50mm)	23rd Driest	Driest since: 1990	2019
September 1999 1-Month	1.91" (48.51mm)	3.78" (96.01mm)	-1.87" (-47.50mm)	106th Wettest	Wettest since: 1998	1988
Aug–Sep 1999 2-Month	3.93" (99.82mm)	8.12" (206.25mm)	-4.19" (-106.43mm)	3rd Driest	Driest since: 1990	1954
Aug–Sep 1999 2-Month	3.93" (99.82mm)	8.12" (206.25mm)	-4.19" (-106.43mm)	126th Wettest	Wettest since: 1998	1939
Jul–Sep 1999 3-Month	8.56" (217.42mm)	13.57" (344.68mm)	-5.01" (-127.26mm)	4th Driest	Driest since: 1990	1954
Jul–Sep 1999 3-Month	8.56" (217.42mm)	13.57" (344.68mm)	-5.01" (-127.26mm)	125th Wettest	Wettest since: 1998	1916
Jun–Sep 1999 4-Month	16.87" (428.50mm)	17.84" (453.14mm)	-0.97" (-24.64mm)	49th Driest	Driest since: 1995	1954
Jun–Sep 1999 4-Month	16.87" (428.50mm)	17.84" (453.14mm)	-0.97" (-24.64mm)	80th Wettest	Wettest since: 1998	2021
May–Sep 1999 5-Month	20.98" (532.89mm)	22.09" (561.09mm)	-1.11" (-28.20mm)	52nd Driest	Driest since: 1995	1954
	20.98" (532.89mm)	22.09" (561.09mm)	-1.11" (-28.20mm)	77th Wettest	Wettest since: 1998	2003
	Ties: 1980
Apr–Sep 1999 6-Month	23.55" (598.17mm)	26.89" (683.01mm)	-3.34" (-84.84mm)	28th Driest	Driest since: 1995	1954
Apr–Sep 1999 6-Month	23.55" (598.17mm)	26.89" (683.01mm)	-3.34" (-84.84mm)	101st Wettest	Wettest since: 1998	2003
Mar–Sep 1999 7-Month	29.20" (741.68mm)	33.05" (839.47mm)	-3.85" (-97.79mm)	36th Driest	Driest since: 1995	1954
Mar–Sep 1999 7-Month	29.20" (741.68mm)	33.05" (839.47mm)	-3.85" (-97.79mm)	93rd Wettest	Wettest since: 1998	2021
Feb–Sep 1999 8-Month	31.75" (806.45mm)	38.23" (971.04mm)	-6.48" (-164.59mm)	19th Driest	Driest since: 1986	1954
Feb–Sep 1999 8-Month	31.75" (806.45mm)	38.23" (971.04mm)	-6.48" (-164.59mm)	110th Wettest	Wettest since: 1998	1975
Jan–Sep 1999 9-Month	39.69" (1,008.13mm)	43.41" (1,102.61mm)	-3.72" (-94.48mm)	36th Driest	Driest since: 1995	1954
Jan–Sep 1999 9-Month	39.69" (1,008.13mm)	43.41" (1,102.61mm)	-3.72" (-94.48mm)	93rd Wettest	Wettest since: 1998	1975
Dec 1998–Sep 1999 10-Month	43.96" (1,116.58mm)	48.58" (1,233.93mm)	-4.62" (-117.35mm)	31st Driest	Driest since: 1995	2007
Dec 1998–Sep 1999 10-Month	43.96" (1,116.58mm)	48.58" (1,233.93mm)	-4.62" (-117.35mm)	97th Wettest	Wettest since: 1998	1975
Nov 1998–Sep 1999 11-Month	47.26" (1,200.40mm)	52.38" (1,330.45mm)	-5.12" (-130.05mm)	28th Driest	Driest since: 1995	2000
	47.26" (1,200.40mm)	52.38" (1,330.45mm)	-5.12" (-130.05mm)	100th Wettest	Wettest since: 1998	1975
	Ties: 1956
Oct 1998–Sep 1999 12-Month	48.63" (1,235.20mm)	55.27" (1,403.86mm)	-6.64" (-168.66mm)	25th Driest	Driest since: 1988	2000
Oct 1998–Sep 1999 12-Month	48.63" (1,235.20mm)	55.27" (1,403.86mm)	-6.64" (-168.66mm)	103rd Wettest	Wettest since: 1998	2020
Apr 1998–Sep 1999 18-Month	77.32" (1,963.93mm)	82.32" (2,090.93mm)	-5.00" (-127.00mm)	38th Driest	Driest since: 1988	2007
Apr 1998–Sep 1999 18-Month	77.32" (1,963.93mm)	82.32" (2,090.93mm)	-5.00" (-127.00mm)	90th Wettest	Wettest since: 1998	1975
Oct 1997–Sep 1999 24-Month	114.57" (2,910.08mm)	110.77" (2,813.56mm)	3.80" (96.52mm)	78th Driest	Driest since: 1995	2007
Oct 1997–Sep 1999 24-Month	114.57" (2,910.08mm)	110.77" (2,813.56mm)	3.80" (96.52mm)	49th Wettest	Wettest since: 1998	2021
Oct 1996–Sep 1999 36-Month	172.69" (4,386.33mm)	166.30" (4,224.02mm)	6.39" (162.31mm)	85th Driest	Driest since: 1995	2008
Oct 1996–Sep 1999 36-Month	172.69" (4,386.33mm)	166.30" (4,224.02mm)	6.39" (162.31mm)	41st Wettest	Wettest since: 1998	1975
Oct 1995–Sep 1999 48-Month	240.41" (6,106.41mm)	221.61" (5,628.89mm)	18.80" (477.52mm)	112th Driest	Driest since: 1997	1899
Oct 1995–Sep 1999 48-Month	240.41" (6,106.41mm)	221.61" (5,628.89mm)	18.80" (477.52mm)	13th Wettest	Wettest since: 1998	1976
Oct 1994–Sep 1999 60-Month	291.95" (7,415.53mm)	276.82" (7,031.23mm)	15.13" (384.30mm)	102nd Driest	Driest since: 1996	1955
Oct 1994–Sep 1999 60-Month	291.95" (7,415.53mm)	276.82" (7,031.23mm)	15.13" (384.30mm)	22nd Wettest	Wettest since: 1998	1977

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on May 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings