Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of April 2020. For more information, please see Climatological Rankings.


Maryland

Precipitation Rankings, October 1999

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
October 1999
1-Month
3.14"
(79.76mm)
3.11"
(78.99mm)
0.03"
(0.77mm)
65th Driest Driest since: 1998 1963
61st Wettest Wettest since: 1996 1976
Sep–Oct 1999
2-Month
13.49"
(342.65mm)
6.68"
(169.67mm)
6.81"
(172.98mm)
125th Driest Driest since: 1998 1941
1st Wettest Wettest to Date 1999
Aug–Oct 1999
3-Month
17.89"
(454.41mm)
11.06"
(280.92mm)
6.83"
(173.49mm)
120th Driest Driest since: 1998 1930
6th Wettest Wettest since: 1979 2011
Jul–Oct 1999
4-Month
20.50"
(520.70mm)
15.24"
(387.10mm)
5.26"
(133.60mm)
114th Driest Driest since: 1998 1930
12th Wettest Wettest since: 1996 2018
Jun–Oct 1999
5-Month
22.69"
(576.33mm)
19.09"
(484.89mm)
3.60"
(91.44mm)
100th Driest Driest since: 1998 1930
26th Wettest Wettest since: 1996 2018
May–Oct 1999
6-Month
24.22"
(615.19mm)
22.82"
(579.63mm)
1.40"
(35.56mm)
78th Driest Driest since: 1998 1930
48th Wettest Wettest since: 1996 2018
Ties: 1902
Apr–Oct 1999
7-Month
27.26"
(692.40mm)
26.30"
(668.02mm)
0.96"
(24.38mm)
72nd Driest Driest since: 1998 1930
54th Wettest Wettest since: 1996 2018
Mar–Oct 1999
8-Month
31.57"
(801.88mm)
30.08"
(764.03mm)
1.49"
(37.85mm)
79th Driest Driest since: 1998 1930
47th Wettest Wettest since: 1996 2018
Feb–Oct 1999
9-Month
34.13"
(866.90mm)
32.97"
(837.44mm)
1.16"
(29.46mm)
74th Driest Driest since: 1998 1930
52nd Wettest Wettest since: 1996 2018
Jan–Oct 1999
10-Month
39.53"
(1,004.06mm)
36.33"
(922.78mm)
3.20"
(81.28mm)
95th Driest Driest since: 1998 1930
31st Wettest Wettest since: 1996 2018
Dec 1998–Oct 1999
11-Month
41.64"
(1,057.66mm)
39.61"
(1,006.09mm)
2.03"
(51.57mm)
75th Driest Driest since: 1997 1930
50th Wettest Wettest since: 1998 1979
Nov 1998–Oct 1999
12-Month
42.68"
(1,084.07mm)
42.60"
(1,082.04mm)
0.08"
(2.03mm)
62nd Driest Driest since: 1997 1930
63rd Wettest Wettest since: 1998 2003
May 1998–Oct 1999
18-Month
60.52"
(1,537.21mm)
65.38"
(1,660.65mm)
-4.86"
(-123.44mm)
33rd Driest Driest since: 1995 1930
92nd Wettest Wettest since: 1998 2019
Nov 1997–Oct 1999
24-Month
90.67"
(2,303.02mm)
85.12"
(2,162.05mm)
5.55"
(140.97mm)
84th Driest Driest since: 1998 1931
40th Wettest Wettest since: 1997 2004
Nov 1996–Oct 1999
36-Month
130.22"
(3,307.59mm)
127.68"
(3,243.07mm)
2.54"
(64.52mm)
69th Driest Driest since: 1993 1931
54th Wettest Wettest since: 1998 2005
Nov 1995–Oct 1999
48-Month
186.51"
(4,737.35mm)
170.17"
(4,322.32mm)
16.34"
(415.03mm)
106th Driest Driest since: 1998 1966
16th Wettest Wettest since: 1996 2006
Nov 1994–Oct 1999
60-Month
224.52"
(5,702.81mm)
212.67"
(5,401.82mm)
11.85"
(300.99mm)
91st Driest Driest since: 1995 1966
30th Wettest Wettest since: 1998 1975

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published May 2020, retrieved on June 4, 2020 from https://www.ncdc.noaa.gov/cag/