current run under 0.01" · longest ever 38 days (to Nov 9, 2024)
Wet Streak
1days
consecutive days with rain · longest ever 12 days
Year to Date vs Normal
104%
23.71" of a normal 22.83" · wettest 38.51" (1975) · driest 12.75" (1995)
Wettest & Driest Years
The extremes of a 67-year record (1951–2025) — full calendar-year totals. The long-run average is 42.99" a year.
Wettest Years on Record
1
2018
68.76in
2
1971
61.57in
3
1975
61.52in
4
1979
61.36in
5
1983
58.21in
Driest Years on Record
1
1991
29.55in
2
1954
30.46in
3
1965
30.8in
4
2007
31.92in
5
1980
32.41in
Rainfall by Month
The seasonal rhythm — each month's normal precipitation, with this year's totals in blue. Where the blue bar clears the band, the month ran wetter than usual.
J
F
M
A
M
J
J
A
S
O
N
D
Normal (median)This year
Normally wettest in Mar (~3.96") and driest in Feb (~2.62"). Wettest calendar month ever: Aug 1955, 17.69".
This Day in History · Rainfall
Every year's rainfall on each of the next 7 dates at Baltimore Downtown — toggle a day below. The tallest bar (ringed) is the wettest on record for that date.
Wettest Jul 28 ever
3.46in
set in 2017
Rain on Jul 28
32%
of 68 years had measurable rain
Wettest Jul 29 ever
2.13in
set in 1980
Rain on Jul 29
38%
of 68 years had measurable rain
Wettest Jul 30 ever
2.49in
set in 2016
Rain on Jul 30
24%
of 68 years had measurable rain
Wettest Jul 31 ever
1.23in
set in 1978
Rain on Jul 31
19%
of 68 years had measurable rain
Wettest Aug 1 ever
6.11in
set in 1971
Rain on Aug 1
36%
of 69 years had measurable rain
Wettest Aug 2 ever
2.68in
set in 1968
Rain on Aug 2
33%
of 69 years had measurable rain
Wettest Aug 3 ever
2.57in
set in 1967
Rain on Aug 3
41%
of 69 years had measurable rain
This Year's Rainfall
Baltimore Downtown's cumulative rainfall so far this year against its own record — the normal accumulation, and the wettest & driest years to date. The bright line is the running total; where it rides the band tells the story at a glance.
Baltimore Downtown's entire daily record as one heatmap — each row a year, each cell a day, shaded by that day's rainfall. Dry spells read as dark blocks, wet seasons as brighter bands; the whole climate at a glance.
