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USGS Daily Statistics for Pennsylvania

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[!] Over the next year, the USGS Pennsylvania Water Science Center will be updating the geodetic vertical elevation (gage datum) for many locations. Click HERE for additional information including a current list of streamgages with upcoming datum changes. This update in gage datum does not affect the location of the streamgage, nor the observed local gage height or discharge recorded at the streamgage.


The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 01574500 Codorus Creek at Spring Grove, PA


York County, Pennsylvania
Hydrologic Unit Code 02050306
Latitude  39°52'43", Longitude  76°51'13" NAD27
Drainage area 75.5  square miles
Gage datum 430.86 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1965-10-01 -> 2025-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 87 93 112 142 110 86 63 61 79 92 63 76
2 88 99 120 159 93 91 63 65 66 74 59 77
3 84 114 102 145 99 80 62 61 56 70 65 73
4 79 110 110 131 104 82 59 89 60 65 55 64
5 73 98 122 135 104 91 58 73 57 64 62 85
6 73 97 115 118 118 82 64 69 80 58 63 73
7 72 95 124 112 105 82 79 67 95 60 56 80
8 80 91 104 106 92 75 69 65 105 65 68 73
9 83 87 112 109 91 73 64 73 78 65 63 81
10 78 83 121 120 86 75 77 61 78 71 63 76
11 73 92 125 106 87 70 65 62 71 102 57 106
12 79 112 106 102 103 69 57 67 62 76 64 88
13 71 115 110 113 103 78 71 76 61 65 67 96
14 86 115 130 106 94 71 63 58 63 60 62 90
15 71 95 122 135 94 66 61 56 61 61 65 80
16 78 100 105 135 118 64 69 56 66 58 72 97
17 72 90 107 122 102 69 57 71 64 57 67 90
18 77 93 101 104 91 71 58 58 77 67 59 92
19 102 93 114 98 103 77 61 60 65 80 56 75
20 106 95 118 99 86 70 63 61 55 66 61 69
21 93 106 146 101 91 74 65 59 59 63 57 93
22 75 106 156 108 85 254 69 61 68 58 62 84
23 79 116 137 98 83 125 73 58 92 66 84 88
24 106 145 136 94 79 108 88 54 71 61 63 83
25 107 134 116 93 76 80 97 52 77 63 66 90
26 117 122 121 111 80 79 85 54 144 63 69 97
27 112 101 134 106 73 75 74 58 90 63 63 85
28 103 105 130 104 95 84 62 63 85 67 81 80
29 97 126 139 94 89 75 66 59 75 95 89 80
30 91   145 111 85 77 59 51 77 107 79 73
31 93   144   86   59 50   67   75