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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 88 94 114 142 112 86 63 61 79 93 64 79
2 89 101 121 161 94 91 63 65 66 75 61 79
3 85 116 103 147 100 80 62 61 56 71 67 75
4 80 111 112 132 105 82 59 89 60 66 56 66
5 74 100 124 137 105 91 58 73 57 65 64 87
6 74 98 116 119 118 83 64 69 80 59 64 74
7 72 96 125 112 106 82 79 67 95 60 57 82
8 81 92 106 107 93 76 69 65 105 66 70 75
9 84 87 114 110 89 73 64 73 78 66 64 83
10 79 84 123 122 86 75 77 61 78 72 64 78
11 74 93 127 107 87 70 65 62 71 103 58 104
12 80 114 107 103 104 70 57 67 62 77 66 89
13 72 117 111 114 103 78 71 76 61 65 69 98
14 87 116 132 107 92 71 63 58 63 61 63 92
15 72 96 124 137 94 66 61 56 61 61 66 82
16 79 100 106 137 119 63 69 56 66 59 74 99
17 73 90 108 124 102 69 57 71 64 58 69 92
18 78 94 103 105 91 71 58 58 77 68 60 82
19 104 94 115 99 104 77 61 60 65 81 57 76
20 107 97 120 100 87 70 63 61 55 67 62 70
21 94 107 148 103 92 74 65 59 59 64 58 94
22 75 108 158 110 85 258 69 61 68 59 62 85
23 80 117 139 99 83 127 73 58 92 67 86 89
24 108 147 138 95 80 108 88 54 71 62 65 84
25 108 136 117 94 77 80 97 52 77 65 68 91
26 119 123 122 112 81 79 85 54 144 64 71 99
27 113 103 136 107 73 75 74 58 90 65 64 87
28 104 107 132 105 93 84 62 63 85 69 83 81
29 99 126 141 95 88 75 66 59 75 98 91 81
30 92   147 112 85 77 59 51 78 110 81 73
31 94   146   84   59 50   68   76