*** Summary statistics for the S-ESTREND data. *** Constituent: pH Station: 19 *** Summary statistics for the S-ESTREND data. *** Constituent: pH Station: 19 106 observations from 11/10/1982 to 07/06/1998 0 less than values and 0 zero values ( 0 %) Statistics of the raw data 0% 10% 25% 50% 75% 90% 100% 5.8 6.4 6.625 6.95 7.175 7.45 7.8 Station: 20 118 observations from 06/26/1979 to 07/06/1998 0 less than values and 0 zero values ( 0 %) Statistics of the raw data 0% 10% 25% 50% 75% 90% 100% 5.3 6.4 6.6 6.9 7.3 7.5 7.9 Station: 21 171 observations from 06/23/1967 to 07/06/1998 0 less than values and 0 zero values ( 0 %) Statistics of the raw data 0% 10% 25% 50% 75% 90% 100% 5.1 6.3 6.61 7 7.2 7.5 8.5 Station: 22 125 observations from 09/27/1967 to 07/06/1998 0 less than values and 0 zero values ( 0 %) Statistics of the raw data 0% 10% 25% 50% 75% 90% 100% 6 6.44 6.8 7 7.3 7.6 8.2 Station: 23 110 observations from 11/16/1979 to 07/06/1998 0 less than values and 0 zero values ( 0 %) Statistics of the raw data 0% 10% 25% 50% 75% 90% 100% 3.3 3.7 4.025 4.4 4.8 5.11 5.8 Station: 27 105 observations from 06/26/1979 to 07/06/1998 0 less than values and 0 zero values ( 0 %) Statistics of the raw data 0% 10% 25% 50% 75% 90% 100% 5.02 6.2 6.6 7 7.3 7.56 7.9 Station: 32 54 observations from 11/16/1979 to 06/05/1991 0 less than values and 0 zero values ( 0 %) Statistics of the raw data 0% 10% 25% 50% 75% 90% 100% 6.3 6.53 6.8 7.1 7.3 7.4 8.4 Station: 38 128 observations from 06/23/1967 to 07/06/1998 0 less than values and 0 zero values ( 0 %) Statistics of the raw data 0% 10% 25% 50% 75% 90% 100% 4.8 6.4 6.7 7 7.2 7.4 8.2 Station: 46 114 observations from 12/07/1973 to 07/06/1998 0 less than values and 0 zero values ( 0 %) Statistics of the raw data 0% 10% 25% 50% 75% 90% 100% 5.9 6.473 6.7 6.9 7.1 7.2 7.5 Station: 47 111 observations from 11/16/1979 to 07/06/1998 0 less than values and 0 zero values ( 0 %) Statistics of the raw data 0% 10% 25% 50% 75% 90% 100% 5.8 6.4 6.6 6.9 7.1 7.2 7.4 Station: 53 54 observations from 11/16/1979 to 05/26/1998 0 less than values and 0 zero values ( 0 %) Statistics of the raw data 0% 10% 25% 50% 75% 90% 100% 5.4 6.4 6.5 6.7 6.9 7.07 7.4 Summary report saved in obed.pH.summary. *** S-ESTREND Processing status. *** pH 19 data OK 20 data OK 21 data OK 22 data OK 23 data OK 27 data OK 32 data OK 38 data OK 46 data OK 47 data OK 53 data OK *** S-ESTREND Seasonal Analysis *** Constituent: pH Station: 19 Record length -- 15.7 years, samples 11/10/1982 to 07/06/1998 Period of seasonal analysis: 1983 to 1998 Beginning-ending record number of years = 6 Middle record number of years = 10 All possible within-season comparisons can be made for the 2-season definition. Percent of possible within-season comparisons for the 4-season definition. 1 2 3 4 BE 100 83.33 100 100 MI 100 90.00 100 80 Station: 20 Record length -- 19 years, samples 06/26/1979 to 07/06/1998 Period of seasonal analysis: 1979 to 1998 Beginning-ending record number of years = 8 Middle record number of years = 12 Percent of possible within-season comparisons for the 2-season definition. 1 2 BE 62.5 75 MI 100.0 100 Percent of possible within-season comparisons for the 4-season definition. 1 2 3 4 BE 62.5 50.00 75 62.5 MI 100.0 91.67 100 75.0 Station: 21 Record length -- 31 years, samples 06/23/1967 to 07/06/1998 Period of seasonal analysis: 1967 to 1998 Beginning-ending record number of years = 14 Middle record number of years = 18 Percent of possible within-season comparisons for the 2-season definition. 1 2 BE 64.29 71.43 MI 72.22 61.11 Percent of possible within-season comparisons for the 4-season definition. 1 2 3 4 BE 64.29 50.00 64.29 57.14 MI 66.67 55.56 61.11 55.56 Station: 22 Record length -- 30.8 years, samples 09/27/1967 to 07/06/1998 Period of seasonal analysis: 1968 to 1998 Beginning-ending record number of years = 12 Middle record number of years = 19 Percent of possible within-season comparisons for the 2-season definition. 1 2 BE 66.67 66.67 MI 52.63 57.89 Percent of possible within-season comparisons for the 4-season definition. 1 2 3 4 BE 66.67 50.00 58.33 58.33 MI 52.63 47.37 57.89 47.37 Station: 23 Record length -- 18.6 years, samples 11/16/1979 to 07/06/1998 Period of seasonal analysis: 1980 to 1998 Beginning-ending record number of years = 8 Middle record number of years = 11 Percent of possible within-season comparisons for the 2-season definition. 1 2 BE 75 75 MI 100 100 Percent of possible within-season comparisons for the 4-season definition. 1 2 3 4 BE 75 62.50 62.5 75.00 MI 100 90.91 100.0 81.82 Station: 27 Record length -- 19 years, samples 06/26/1979 to 07/06/1998 Period of seasonal analysis: 1979 to 1998 Beginning-ending record number of years = 8 Middle record number of years = 12 Percent of possible within-season comparisons for the 2-season definition. 1 2 BE 62.50 75.00 MI 83.33 83.33 Percent of possible within-season comparisons for the 4-season definition. 1 2 3 4 BE 62.5 50 75.00 62.5 MI 75.0 75 83.33 75.0 Station: 32 Record length -- 11.6 years, samples 11/16/1979 to 06/05/1991 Period of seasonal analysis: 1980 to 1991 Beginning-ending record number of years = 6 Middle record number of years = 6 Percent of possible within-season comparisons for the 2-season definition. 1 2 BE 50 66.67 MI 100 100.00 Percent of possible within-season comparisons for the 4-season definition. 1 2 3 4 BE 50 16.67 66.67 16.67 MI 100 100.00 100.00 83.33 Station: 38 Record length -- 31 years, samples 06/23/1967 to 07/06/1998 Period of seasonal analysis: 1967 to 1998 Beginning-ending record number of years = 14 Middle record number of years = 18 Percent of possible within-season comparisons for the 2-season definition. 1 2 BE 57.14 64.29 MI 55.56 55.56 Percent of possible within-season comparisons for the 4-season definition. 1 2 3 4 BE 57.14 50 64.29 50.00 MI 55.56 50 55.56 44.44 Station: 46 Record length -- 24.6 years, samples 12/07/1973 to 07/06/1998 Period of seasonal analysis: 1974 to 1998 Beginning-ending record number of years = 10 Middle record number of years = 15 Percent of possible within-season comparisons for the 2-season definition. 1 2 BE 70.00 60.00 MI 73.33 73.33 Percent of possible within-season comparisons for the 4-season definition. 1 2 3 4 BE 70.00 40.00 60.00 60.00 MI 73.33 66.67 73.33 53.33 Station: 47 Record length -- 18.6 years, samples 11/16/1979 to 07/06/1998 Period of seasonal analysis: 1980 to 1998 Beginning-ending record number of years = 8 Middle record number of years = 11 Percent of possible within-season comparisons for the 2-season definition. 1 2 BE 75 75 MI 100 100 Percent of possible within-season comparisons for the 4-season definition. 1 2 3 4 BE 75 62.50 75 75.00 MI 100 90.91 100 72.73 Station: 53 Record length -- 18.5 years, samples 11/16/1979 to 05/26/1998 Period of seasonal analysis: 1980 to 1998 Beginning-ending record number of years = 8 Middle record number of years = 11 Percent of possible within-season comparisons for the 2-season definition. 1 2 BE 25.00 50.00 MI 63.64 54.55 Percent of possible within-season comparisons for the 4-season definition. 1 2 3 4 BE 25.00 25.00 37.50 37.50 MI 63.64 45.45 54.55 36.36 Percent possible comparisons within a season adequate to define trend: 50 Percent of seasons satisfying above criterion to qualify for seasonal definition: 80 *** S-ESTREND Seasonal selections *** Constituent: pH Station BE MI select 1 19 4 4 4 2 20 4 4 4 3 21 4 4 4 4 22 4 2 4 5 23 4 4 4 6 27 4 4 4 7 32 2 4 2 8 38 4 2 4 9 46 2 4 2 10 47 4 4 4 11 53 1 2 1 *** S-ESTREND Trend Test results *** Constituent: pH *** S-ESTREND Trend Test results *** Constituent: pH *** S-ESTREND Flow-adjustment models *** Constituent: pH Station: 19 No flow adjustment Station: 20 No flow adjustment Station: 21 No flow adjustment Station: 22 No flow adjustment Station: 23 No flow adjustment Station: 27 No flow adjustment Station: 32 No flow adjustment Station: 38 No flow adjustment Station: 46 No flow adjustment Station: 47 No flow adjustment Station: 53 No flow adjustment *** S-ESTREND Trend Test results *** Constituent: pH Station: 19 uncensored Seasonal Kendall test. Begin year: 1982, end year: 1998, number of seasons: 4. Nobs Tau p.value Corrected.p.value Slope Median Raw data 60 0.1943128 0.04430246 0.07741544 0.02264955 7 Station: 20 uncensored Seasonal Kendall test. Begin year: 1982, end year: 1998, number of seasons: 4. Nobs Tau p.value Corrected.p.value Slope Median Raw data 59 0.1295844 0.1874662 0.293888 0.0181818 7 Station: 21 uncensored Seasonal Kendall test. Begin year: 1982, end year: 1998, number of seasons: 4. Nobs Tau p.value Corrected.p.value Slope Median Raw data 59 0.07823961 0.430452 0.4641481 0 7.1 Station: 22 uncensored Seasonal Kendall test. Begin year: 1982, end year: 1998, number of seasons: 4. Nobs Tau p.value Corrected.p.value Slope Median Raw data 61 0.2591743 0.006146106 0.02305631 0.03333333 7.1 Station: 23 uncensored Seasonal Kendall test. Begin year: 1982, end year: 1998, number of seasons: 4. Nobs Tau p.value Corrected.p.value Slope Median Raw data 59 0.1867322 0.0562479 0.1757682 0.0333333 4.4 Station: 27 uncensored Seasonal Kendall test. Begin year: 1982, end year: 1998, number of seasons: 4. Nobs Tau p.value Corrected.p.value Slope Median Raw data 52 0.2140575 0.04333043 0.07079255 0.03749996 7.05 Station: 32 Too few observations in the ending fifth, latest: 06/05/1991. Station: 38 uncensored Seasonal Kendall test. Begin year: 1982, end year: 1998, number of seasons: 4. Nobs Tau p.value Corrected.p.value Slope Median Raw data 59 -0.01711491 0.8786772 0.8811451 0 7 Station: 46 uncensored Seasonal Kendall test. Begin year: 1982, end year: 1998, number of seasons: 2. Nobs Tau p.value Corrected.p.value Slope Median Raw data 30 0.1142857 0.4135781 0.3895954 0.008333325 6.95 Station: 47 uncensored Seasonal Kendall test. Begin year: 1982, end year: 1998, number of seasons: 4. Nobs Tau p.value Corrected.p.value Slope Median Raw data 59 0.2273839 0.01948871 0.02784753 0.01999998 7 Station: 53 Too few observations. *** S-ESTREND Trend Summary *** Constituent: pH STAID Type Begyear Numyears Numseasons N Trend Trend.pct 1 19 uncensored 1982 16 4 60 0.022649551 0.3235650 2 20 uncensored 1982 16 4 59 0.018181801 0.2597400 3 21 uncensored 1982 16 4 59 0.000000000 0.0000000 4 22 uncensored 1982 16 4 61 0.033333328 0.4694835 5 23 uncensored 1982 16 4 59 0.033333302 0.7575750 6 27 uncensored 1982 16 4 52 0.037499964 0.5319144 7 32 NA NA NA NA NA NA NA 8 38 uncensored 1982 16 4 59 0.000000000 0.0000000 9 46 uncensored 1982 16 2 30 0.008333325 0.1199040 10 47 uncensored 1982 16 4 59 0.019999981 0.2857140 11 53 NA NA NA NA NA NA NA P.value Sig 1 0.07741544 none 2 0.29388797 none 3 0.46414810 none 4 0.02305631 up 5 0.17576823 none 6 0.07079255 none 7 NA NA 8 0.88114512 none 9 0.38959539 none 10 0.02784753 up 11 NA NA