Annual
Climatology: Baltimore, MD (BWI)
Elev: 45.1 m Lat: 39o 10'N Long: 76o 41'W
Figure 1: Average Temperatures and Precipitation 1971-2000. (NCDC Data)
Month |
Daily Max |
Daily Min |
Mean |
Maximum Daily Temperature |
Minimum Daily Temperature |
January |
5.1 |
-4.7 |
0.2 |
26.1 |
-21.7 |
February |
7.1 |
-3.3 |
1.9 |
26.1 |
-19.4 |
March |
12.2 |
0.9 |
6.5 |
31.7 |
-14.4 |
April |
18.1 |
5.6 |
11.8 |
34.4 |
-6.7 |
May |
23.3 |
11.0 |
17.2 |
36.7 |
0.0 |
June |
28.2 |
16.0 |
22.1 |
38.3 |
4.4 |
July |
30.7 |
18.8 |
24.7 |
40.0 |
10.0 |
August |
29.5 |
17.7 |
23.6 |
40.6 |
7.2 |
September |
25.7 |
13.7 |
19.7 |
37.8 |
1.7 |
October |
19.4 |
6.5 |
13.0 |
33.3 |
-3.9 |
November |
13.5 |
1.5 |
7.5 |
30.0 |
-10.6 |
December |
7.8 |
-2.6 |
2.6 |
25.0 |
-17.8 |
Annual |
18.4 |
6.8 |
12.6 |
40.6 |
-21.7 |
Month |
Mean |
Median |
Extreme |
Year |
Snow* |
January |
88.1 |
76.2 |
199.1 |
1979 |
177.8 |
February |
76.7 |
69.6 |
181.9 |
1979 |
162.6 |
March |
99.8 |
100.3 |
219.5 |
1994 |
61.0 |
April |
76.2 |
68.3 |
166.4 |
1983 |
2.5 |
May |
98.8 |
94.0 |
221.2 |
1989 |
0.0 |
June |
87.1 |
73.2 |
252.7 |
1972 |
0.0 |
July |
97.8 |
95.3 |
187.5 |
1996 |
0.0 |
August |
95.0 |
85.6 |
277.1 |
1971 |
0.0 |
September |
101.1 |
92.5 |
292.1 |
1999 |
0.0 |
October |
80.3 |
71.1 |
205.5 |
1976 |
0.0 |
November |
79.2 |
72.9 |
179.1 |
1972 |
15.2 |
December |
85.1 |
71.4 |
172.0 |
1996 |
43.2 |
Annual |
1065.3 |
1048.8 |
|
|
462.3 |
* Snowfall totals represent
mean snowfall 1971-2000
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