Normals for Manistique MI
Elevation 620 ft
TEMPERATURE SUMMARY
Station: (205073) MANISTIQUE Missing Data: 9% NCDC Averages
Averages: 1961-1990 Extremes: 1948-1994 #Day-Max #Day-Min
Averages Daily Extremes Mean Extremes => <= <= <=
Max Min Mean High---Date Low---Date High-Yr Low-Yr 90 32 32 0
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Ja 24.6 6.1 15.4 46 21/1967 -25 20/1994 25.6 90 5.8 94 0 21 29 8.5
Fe 26.3 6.1 16.3 49 15/1954 -33 04/1970 28.7 54 8.7 94 0 18 26 7.3
Ma 35.0 16.7 25.9 60 31/1963 -31 03/1972 35.3 73 19.8 89 0 9.3 28 2.9
Ap 46.8 29.2 38.1 84 26/1990 -7 05/1972 45.3 55 31.0 75 0 0.7 18 0.1
Ma 58.5 39.2 48.9 87 28/1986 19 08/1956 54.0 77 44.7 83 0 0 5.5 0
Jn 68.0 47.6 57.8 96 12/1956 27 02/1956 63.2 87 52.6 69 0.1 0 0.5 0
Jl 74.6 54.5 64.6 97 12/1966 35 01/1960 71.6 55 58.1 92 0.4 0 0 0
Au 73.2 53.6 63.4 101 19/1955 31 24/1971 70.5 55 58.5 50 0.2 0 0.1 0
Se 64.9 46.4 55.7 92 01/1953 19 15/1986 61.4 61 51.9 74 0 0 1.7 0
Oc 53.7 36.8 45.3 79 01/1971 17 30/1966 54.5 63 41.0 88 0 0 8.9 0
No 41.0 26.2 33.6 69 05/1963 -6 29/1976 40.0 63 28.3 59 0 4.0 21 0.1
De 29.0 13.1 21.1 56 04/1961 -25 30/1976 30.9 94 11.3 89 0 16 28 4.3
An 49.6 31.3 40.5 101 08/19/55 -33 02/04/70 44.6 87 36.8 72 0.8 69 166 23
Wi 26.6 8.4 17.6 56 12/04/61 -33 02/04/70 25.6 53 12.8 63 0 54 82 20
Sp 46.8 28.4 37.6 87 05/28/86 -31 03/03/72 42.0 86 34.8 50 0 10 51 3.0
Su 71.9 51.9 61.9 101 08/19/55 27 06/02/56 67.9 55 58.1 92 0.8 0 0.6 0
Fa 53.2 36.5 44.9 92 09/01/53 -6 11/29/76 51.1 63 42.1 76 0 4.0 32 0.1
PRECIPITATION SUMMARY
Station: (205073) MANISTIQUE Missing Data: 10%
Averages: 1961-1990 Extremes: 1948-1994
Total Precipitation Snow #Days Precip
Mean High--Yr Low--Yr 1-Day Max Mean High--Yr =>.10 =>.50 =>1.
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Ja 1.72 5.40 79 0.20 90 2.48 24/1979 17.9 42.8 79 4.2 0.6 0.1
Fe 1.32 3.68 68 0.00 69 1.26 24/1977 13.8 35.3 62 3.7 0.3 0.0
Ma 1.98 5.52 77 0.11 94 1.50 29/1977 8.8 22.0 59 4.0 1.2 0.3
Ap 2.08 5.34 54 0.45 63 2.36 14/1952 2.1 10.3 66 5.4 1.5 0.5
Ma 2.68 8.31 60 0.34 77 2.26 6/1960 0.0 6.0 54 6.4 1.7 0.6
Jn 3.08 6.64 69 0.47 70 2.51 28/1977 0.0 0.0 0 7.1 1.9 0.5
Jl 2.68 7.58 91 0.41 89 3.70 28/1991 0.0 0.0 0 5.8 1.7 0.9
Au 3.53 6.40 59 1.21 91 2.55 23/1978 0.0 0.0 0 7.1 2.2 0.7
Se 3.55 8.07 54 0.74 67 3.85 7/1985 0.0 1.2 65 7.5 2.3 0.5
Oc 2.92 6.13 67 0.10 75 2.58 8/1967 0.6 6.0 62 6.2 1.8 0.5
No 2.60 6.46 77 0.53 86 2.26 21/1992 5.7 16.0 66 6.3 1.6 0.4
De 2.07 4.01 71 0.43 54 1.50 21/1983 18.5 42.0 89 5.2 0.9 0.2
An 30.21 38.61 79 17.22 89 3.85 9/ 7/85 65.7 118.1 85 69.6 17.8 5.2
Wi 5.11 9.14 79 0.87 90 2.48 1/24/79 49.8 93.9 67 13.8 1.9 0.3
Sp 6.74 14.30 60 3.53 94 2.36 4/14/52 11.2 25.1 65 16.7 4.6 1.4
Su 9.29 14.81 52 4.35 83 3.70 7/28/91 0.0 0.0 0 20.9 6.1 2.2
Fa 9.07 14.56 65 3.60 52 3.85 9/ 7/85 6.7 16.2 59 20.9 5.9 1.5
HEATING AND COOLING DEGREE DAY SUMMARY
Station: (205073) MANISTIQUE Missing Data: 8.7%
Degree Days to Selected Base Temperatures (F)
Base Heating Degree Days
Below Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
65 1496 1300 1159 786 470 213 69 87 276 588 894 1287 8625
60 1343 1164 1009 639 322 102 17 25 155 437 749 1138 7100
57 1252 1082 919 550 240 55 5 8 99 350 662 1049 6271
55 1191 1027 859 492 190 33 2 3 70 293 604 990 5754
50 1038 891 708 347 91 7 0 0 23 170 460 842 4577
Base Cooling Degree Days
Above Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
55 0 0 0 3 25 131 302 262 99 9 0 0 831
57 0 0 0 2 14 93 243 206 69 5 0 0 632
60 0 0 0 1 5 51 162 133 35 2 0 0 389
65 0 0 0 1 1 14 60 45 8 0 0 0 129
70 0 0 0 0 0 3 13 8 1 0 0 0 25
Derived from the 1961-1990 Data
GROWING DEGREE DAY SUMMARY
Station: (205073) MANISTIQUE Missing Data: 8.7%
Growing Degree Days to Selected Base Temperatures (F)
Base Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
40 M 0 0 3 62 301 542 763 710 475 195 28 1 3080
S 0 0 3 65 366 908 1671 2381 2856 3051 3079 3080
45 M 0 0 0 21 173 394 609 559 330 98 7 0 2191
S 0 0 0 21 194 588 1197 1756 2086 2184 2191 2191
50 M 0 0 0 6 79 252 455 409 200 37 1 0 1439
S 0 0 0 6 85 337 792 1201 1401 1438 1439 1439
55 M 0 0 0 3 25 131 302 262 99 9 0 0 831
S 0 0 0 3 28 159 461 723 822 831 831 831
60 M 0 0 0 1 5 51 163 133 35 2 0 0 390
S 0 0 0 1 6 57 220 353 388 390 390 390
Modified Growing Degree Days
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
50 M 0 0 2 34 157 302 471 432 260 90 9 0 1757
S 0 0 2 36 193 495 966 1398 1658 1748 1757 1757
Derived from the 1961-1990 Data
M = Monthly Data S = Running Sum of Monthly Data
GROWING SEASON SUMMARY
Growing Season Summary
Station: (205073) MANISTIQUE
Years: 1961 To 1990 Missing Data: 8.9%
Base Date of Last Spring Occurrence Date of First Fall Occurrence
Temp Median Early 90% 10% Late #yrs Median Early 10% 90% Late #yrs
32 5/27 4/25 5/07 6/19 6/21 26 9/26 8/11 9/02 10/10 10/19 26
30 5/16 4/25 5/03 6/05 6/21 25 10/04 9/14 9/16 10/15 10/31 25
28 5/10 4/11 4/21 5/30 6/17 25 10/15 9/14 9/26 10/29 11/04 25
24 4/21 4/04 4/10 5/22 5/26 26 11/04 9/15 10/08 11/12 11/29 26
20 4/09 3/23 3/28 4/28 5/10 26 11/11 9/14 10/29 11/30 12/24 27
16 4/06 3/19 3/20 4/11 4/14 27 11/22 11/02 11/06 12/08 12/25 27
Base Length of Season (Days)
Temp Median Shortest 10% 90% Longest #yrs
32 124 53 82 153 165 24
30 139 100 106 164 178 22
28 154 118 135 187 201 22
24 188 147 164 213 222 24
20 216 171 196 240 261 25
16 230 216 219 261 267 26
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