Waterloo Weather in 1978

Historical record of Waterloo, Iowa weather for the year 1978 based on NOAA data.
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1978 Waterloo Weather Extremes
Highest temperature 95 °F September 8
Lowest temperature -19 °F January 21
Highest daily low 73 °F June 25
Lowest daily high -7 °F January 9
Most daily precipitation 3.1 inches September 12
Most daily snow 2.6 inches November 22
Total annual precipitation 35.4 inches -
Total annual snow 34.5 inches -
Highest Temperatures in Waterloo in 1978
Rank Temperature Date
1 95 °F Sep 8
1 95 °F Sep 7
3 93 °F Sep 9
3 93 °F Aug 14
5 92 °F Aug 23
5 92 °F Jul 5
7 91 °F Sep 11
7 91 °F Sep 10
7 91 °F Aug 24
7 91 °F Jun 30
7 91 °F Jun 26
7 91 °F May 26
Lowest Temperatures in Waterloo in 1978
Rank Temperature Date
1 -19 °F January 21
2 -18 °F February 5
2 -18 °F February 2
2 -18 °F January 17
5 -17 °F February 6
6 -16 °F January 16
6 -16 °F January 11
6 -16 °F January 10
9 -15 °F February 7
9 -15 °F January 9
9 -15 °F January 3
January 1978 Waterloo Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
18 -8 0.04 0.4
12 -7 0.00 0.0
14 -15 0.00 0.0
14 5 0.00 0.0
26 10 0.00 0.0
32 25 0.00 0.0
33 7 0.00 0.0
7 -9 0.00 0.0
-7 -15 0.00 0.0
1 -16 0.00 0.0
8 -16 0.00 0.0
12 -2 0.14 1.6
16 -2 0.04 0.4
14 -12 0.00 0.0
8 -12 0.00 0.0
-3 -16 0.00 0.0
13 -18 0.00 0.0
19 -14 0.01 0.1
14 -1 0.02 0.2
8 -12 0.00 0.0
5 -19 0.00 0.0
18 -14 0.00 0.0
23 6 0.02 0.2
23 5 0.15 1.9
19 -6 0.07 0.9
8 -9 0.01 0.1
5 -11 0.00 0.0
6 -10 0.00 0.0
3 -12 0.00 0.0
12 -12 0.01 0.1
8 -13 0.00 0.0
February 1978 Waterloo Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
13 -6 0.19 1.9
3 -18 0.00 0.0
11 3 0.03 0.4
21 8 0.05 0.8
9 -18 0.00 0.0
5 -17 0.00 0.0
8 -15 0.00 0.0
14 -11 0.00 0.0
18 -2 0.00 0.0
19 -8 0.00 0.0
21 -6 0.00 0.0
24 18 0.00 0.0
25 11 0.01 0.1
21 6 0.00 0.0
12 0 0.00 0.0
10 -11 0.00 0.0
12 -12 0.00 0.0
15 -14 0.00 0.0
16 -12 0.00 0.0
18 0 0.06 0.8
14 -8 0.00 0.0
18 -9 0.07 0.6
29 12 0.00 0.0
36 15 0.00 0.0
25 9 0.00 0.0
18 -3 0.00 0.0
25 12 0.04 1.8
23 4 0.00 0.0
March 1978 Waterloo Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
18 -10 0.00 0.0
21 12 0.15 2.3
15 -6 0.00 0.0
11 -12 0.00 0.0
23 -6 0.00 0.0
26 15 0.00 0.0
28 4 0.00 0.0
25 -4 0.00 0.0
33 0 0.00 0.0
31 14 0.16 0.9
32 28 0.10 0.7
34 27 0.00 0.0
31 29 0.07 0.5
32 29 0.02 0.2
33 23 0.00 0.0
28 14 0.00 0.0
24 12 0.00 0.0
41 16 0.00 0.0
38 25 0.00 0.0
48 25 0.00 0.0
55 32 0.00 0.0
57 31 0.00 0.0
47 28 0.00 0.0
39 26 0.00 0.0
37 24 0.00 0.0
51 25 0.00 0.0
65 24 0.00 0.0
54 33 0.00 0.0
52 27 0.00 0.0
67 37 0.00 0.0
78 50 0.00 0.0
April 1978 Waterloo Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
50 34 0.00 0.0
39 29 0.05 0.0
68 35 0.10 0.0
55 37 0.00 0.0
45 32 0.60 0.0
64 42 0.33 0.0
68 38 0.00 0.0
49 40 0.08 0.0
69 40 1.17 0.0
55 40 0.00 0.0
61 34 0.00 0.0
63 37 0.02 0.0
56 32 0.00 0.0
54 32 0.00 0.0
58 30 0.00 0.0
57 35 0.00 0.0
47 33 1.39 0.0
49 43 0.63 0.0
48 38 0.01 0.0
39 35 0.10 0.4
55 29 0.00 0.0
57 32 0.20 0.0
57 44 0.07 0.0
48 43 0.00 0.0
63 40 0.00 0.0
66 34 0.00 0.0
70 36 0.00 0.0
70 41 0.00 0.0
64 52 0.00 0.0
62 37 0.00 0.0
May 1978 Waterloo Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
56 31 0.00 0.0
61 31 0.00 0.0
65 34 0.00 0.0
57 45 0.00 0.0
52 34 0.00 0.0
59 29 0.00 0.0
51 47 0.41 0.0
61 48 0.06 0.0
61 39 0.02 0.0
80 36 0.00 0.0
78 59 0.00 0.0
72 51 0.74 0.0
65 45 0.70 0.0
68 45 0.00 0.0
63 48 0.00 0.0
68 53 0.00 0.0
69 52 0.00 0.0
78 46 0.00 0.0
81 54 0.21 0.0
69 50 0.00 0.0
69 44 0.00 0.0
70 45 0.00 0.0
68 56 0.00 0.0
77 54 0.00 0.0
90 68 0.00 0.0
91 70 0.00 0.0
90 65 0.00 0.0
82 65 0.18 0.0
80 62 0.03 0.0
81 61 0.00 0.0
83 60 0.34 0.0
June 1978 Waterloo Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
69 53 0.07 0.0
71 47 0.00 0.0
75 50 0.01 0.0
84 50 0.00 0.0
82 48 0.00 0.0
84 58 0.00 0.0
84 54 0.04 0.0
71 43 0.00 0.0
85 49 0.00 0.0
90 64 0.00 0.0
89 68 0.18 0.0
80 56 0.00 0.0
81 50 0.00 0.0
74 61 2.27 0.0
80 62 0.31 0.0
86 68 0.31 0.0
83 63 1.22 0.0
84 58 0.43 0.0
76 58 0.00 0.0
71 56 0.53 0.0
75 51 0.00 0.0
77 61 0.00 0.0
78 62 0.06 0.0
86 66 0.00 0.0
87 73 0.01 0.0
91 71 0.04 0.0
83 63 0.00 0.0
87 61 0.06 0.0
88 69 0.16 0.0
91 70 0.00 0.0
July 1978 Waterloo Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
87 71 0.00 0.0
82 68 0.00 0.0
77 63 0.00 0.0
82 60 0.00 0.0
92 70 0.00 0.0
82 67 0.53 0.0
81 64 0.06 0.0
82 58 0.72 0.0
77 56 0.12 0.0
75 51 0.00 0.0
78 53 0.00 0.0
74 64 0.11 0.0
80 60 0.00 0.0
82 58 0.00 0.0
88 64 0.00 0.0
90 66 0.00 0.0
86 72 0.37 0.0
87 72 0.81 0.0
89 70 0.08 0.0
79 67 0.21 0.0
82 66 0.60 0.0
81 63 0.02 0.0
78 56 0.00 0.0
79 56 0.00 0.0
89 64 0.00 0.0
83 65 0.11 0.0
79 59 0.00 0.0
83 55 0.00 0.0
76 64 0.00 0.0
73 60 0.00 0.0
82 59 0.00 0.0
August 1978 Waterloo Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
83 56 0.00 0.0
82 61 0.00 0.0
74 50 0.00 0.0
75 45 0.00 0.0
81 49 0.00 0.0
82 53 0.00 0.0
84 52 0.00 0.0
84 68 0.00 0.0
85 60 0.00 0.0
81 60 0.00 0.0
83 56 0.00 0.0
88 59 0.00 0.0
90 62 0.00 0.0
93 71 0.00 0.0
87 65 0.10 0.0
87 62 0.00 0.0
88 66 0.01 0.0
85 63 0.00 0.0
80 52 0.00 0.0
83 45 0.00 0.0
74 57 0.35 0.0
90 63 0.02 0.0
92 70 0.00 0.0
91 70 0.05 0.0
85 68 0.14 0.0
83 64 2.90 0.0
79 64 0.03 0.0
80 60 0.00 0.0
80 54 0.00 0.0
82 53 0.00 0.0
83 56 0.00 0.0
September 1978 Waterloo Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
83 61 0.00 0.0
86 63 0.00 0.0
87 62 0.00 0.0
86 56 0.00 0.0
86 54 0.00 0.0
90 58 0.00 0.0
95 64 0.00 0.0
95 64 0.00 0.0
93 61 0.00 0.0
91 63 0.00 0.0
91 71 0.00 0.0
85 60 3.05 0.0
69 60 1.60 0.0
76 56 0.02 0.0
84 56 0.00 0.0
75 59 0.82 0.0
70 61 0.28 0.0
84 61 0.00 0.0
83 60 1.27 0.0
60 53 0.87 0.0
65 45 0.00 0.0
71 40 0.00 0.0
73 40 0.00 0.0
80 50 0.00 0.0
72 43 0.00 0.0
78 49 0.00 0.0
67 42 0.00 0.0
70 37 0.00 0.0
70 52 0.00 0.0
66 43 0.00 0.0
October 1978 Waterloo Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
72 37 0.00 0.0
63 53 0.29 0.0
59 47 0.06 0.0
61 45 0.00 0.0
53 46 0.00 0.0
56 44 0.00 0.0
53 34 0.00 0.0
60 29 0.11 0.0
58 47 0.41 0.0
65 53 0.00 0.0
62 47 0.00 0.0
57 37 0.00 0.0
53 37 0.00 0.0
54 33 0.00 0.0
57 39 0.00 0.0
54 33 0.00 0.0
59 34 0.00 0.0
60 36 0.00 0.0
69 30 0.00 0.0
78 35 0.00 0.0
82 48 0.00 0.0
60 42 0.14 0.0
52 32 0.00 0.0
63 35 0.00 0.0
57 37 0.01 0.0
59 30 0.00 0.0
62 30 0.00 0.0
57 24 0.00 0.0
63 41 0.00 0.0
72 45 0.00 0.0
58 32 0.00 0.0
November 1978 Waterloo Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
63 26 0.00 0.0
73 35 0.00 0.0
76 50 0.00 0.0
70 40 0.00 0.0
63 44 0.10 0.0
49 22 0.00 0.0
54 23 0.00 0.0
64 38 0.00 0.0
62 33 0.00 0.0
61 42 0.00 0.0
52 37 0.00 0.0
43 34 0.93 0.0
57 29 0.68 0.0
33 23 0.00 0.0
37 18 0.00 0.0
35 20 0.58 1.9
35 33 0.97 2.4
35 21 0.00 0.0
22 11 0.00 0.0
22 18 0.02 0.3
22 17 0.00 0.0
32 21 0.26 2.6
35 25 0.02 0.1
34 12 0.00 0.0
30 13 0.00 0.0
31 26 0.02 0.2
30 15 0.06 0.9
35 2 0.00 0.0
38 9 0.00 0.0
20 4 0.06 0.7
December 1978 Waterloo Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
22 14 0.03 0.3
23 13 0.28 2.4
24 5 0.00 0.0
31 2 0.00 0.0
32 17 0.00 0.0
17 2 0.00 0.0
11 1 0.02 0.2
14 -1 0.00 0.0
2 -7 0.00 0.0
22 -10 0.00 0.0
37 22 0.00 0.0
39 30 0.00 0.0
31 19 0.00 0.0
40 18 0.00 0.0
39 25 0.00 0.0
34 20 0.00 0.0
35 16 0.00 0.0
40 24 0.00 0.0
35 32 0.02 0.0
34 16 0.01 0.1
34 12 0.00 0.0
33 20 0.00 0.0
36 20 0.09 1.7
26 2 0.00 0.0
21 0 0.03 0.6
23 -1 0.00 0.0
26 -1 0.00 0.0
31 26 0.01 0.0
34 12 0.09 0.7
14 6 0.00 0.0
10 6 0.21 2.1
Weather Station Details
Years Station Coordinates
1950–2024 Waterloo Municipal Airport location
1895–1950 Waterloo location