IRDM pH

Percentile Classes

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Day of the yearLowest10th25th50th75th90thHighestAvg
0016.46.76.87.77.88.08.1
0026.76.86.87.77.87.97.9
0036.76.87.67.77.87.87.9
0047.67.77.77.87.98.08.1
0057.67.77.77.88.08.08.1
0067.67.77.87.88.08.28.2
0077.67.87.98.08.28.38.3
0087.77.87.87.98.28.38.3
0097.87.87.98.08.18.28.3
0107.87.98.08.18.28.28.3
0117.87.98.08.18.28.38.4
0127.77.97.98.08.18.28.27.9
0137.67.77.87.98.08.18.37.8
0147.77.77.88.08.18.38.37.7
0157.67.67.78.08.38.48.47.7
0167.67.67.78.08.38.38.37.6
0177.57.57.68.08.18.28.37.6
0187.67.67.77.98.18.28.47.7
0197.57.67.67.98.28.28.37.6
0207.67.67.77.98.08.18.27.6
0217.67.67.77.98.08.18.27.7
0227.67.67.77.87.98.18.37.6
0237.67.67.87.88.08.18.37.7
0247.77.87.87.98.18.48.47.9
0257.57.77.88.08.48.58.67.9
0267.57.77.88.08.48.58.67.8
0277.57.77.88.28.58.68.67.9
0287.87.97.98.08.58.58.67.9
0297.67.87.88.08.48.58.57.8
0307.67.67.77.98.48.48.57.8
0317.67.67.77.98.38.48.57.9
0327.57.67.77.98.58.58.57.9
0337.57.57.57.88.38.48.57.8
0347.27.37.57.88.28.28.37.8
0357.17.27.27.78.18.28.37.7
0367.17.27.37.88.08.18.27.8
0377.17.27.57.78.08.18.27.6
0387.27.37.57.98.18.28.37.6
0397.37.37.47.68.18.38.47.6
0407.27.37.37.47.98.48.57.6
0416.27.37.37.58.18.48.57.7
0426.36.47.07.48.18.28.37.9
0436.46.57.07.68.08.18.27.9
0446.36.47.17.68.08.18.28.0
0456.36.46.67.57.98.08.17.9
0466.36.46.67.57.88.08.17.9
0476.46.56.77.57.87.98.17.9
0486.56.66.77.67.87.98.17.9
0496.66.76.87.67.77.87.97.8
0506.66.76.97.67.87.98.07.8
0516.86.97.37.67.98.18.18.0
0527.37.47.67.78.08.18.28.1
0537.27.37.67.87.98.18.28.1
0547.27.37.67.88.08.29.08.1
0557.27.37.67.88.48.99.08.1
0567.37.47.67.98.18.58.88.0
0577.27.37.68.08.18.38.38.0
0587.37.37.57.88.08.38.47.8
0597.37.47.67.88.28.28.47.7
0607.37.37.57.88.18.28.37.7
0617.67.67.77.98.18.28.37.6
0627.67.67.77.88.08.18.27.6
0637.57.77.77.77.87.98.07.7
0647.67.77.77.87.98.08.27.7
0657.77.77.77.87.87.98.07.7
0667.77.77.87.87.98.08.17.8
0677.77.77.88.18.18.28.27.9
0687.97.97.98.08.28.28.37.9
0697.77.87.87.98.08.18.27.8
0707.77.77.77.87.98.08.17.8
0717.57.77.77.87.98.08.17.8
0727.67.77.77.87.98.08.17.8
0737.67.77.77.87.97.98.07.8
0747.67.77.77.87.98.08.17.8
0757.77.87.87.98.08.08.17.9
0767.67.77.87.98.08.18.17.8
0777.37.47.67.77.98.08.17.5
0787.27.37.37.87.97.98.07.3
0797.37.37.37.67.98.08.07.3
0807.37.37.47.67.98.08.07.4
0817.47.47.47.57.97.98.07.4
0827.37.37.47.97.98.08.07.4
0837.27.27.37.68.08.08.17.2
0847.27.27.37.48.08.18.17.3
0857.37.37.38.18.18.28.27.3
0867.37.37.47.78.18.18.27.4
0877.37.37.47.88.18.18.17.4
0887.27.27.37.48.18.28.27.3
0897.27.27.27.68.08.08.17.2
0907.27.27.37.87.98.08.07.3
0917.37.37.37.67.97.98.07.3
0927.47.47.57.77.97.98.07.5
0937.57.57.67.77.87.98.07.6
0947.47.57.57.77.77.87.87.5
0957.57.57.67.77.77.87.87.6
0967.57.67.67.77.87.87.97.6
0977.67.67.77.87.87.97.9
0987.37.47.67.77.87.87.9
0997.67.67.67.77.77.78.2
1007.67.77.77.77.87.98.2
1017.77.77.77.77.87.87.8
1027.67.67.77.77.77.87.8
1037.57.67.67.67.67.67.6
1047.67.67.67.67.67.68.0
1057.47.57.67.67.67.77.7
1067.57.57.67.77.77.87.8
1077.57.57.67.67.77.77.7
1087.57.57.67.67.67.67.7
1097.47.57.57.57.67.67.6
1107.57.57.67.87.97.97.9
1117.77.77.87.87.97.97.9
1127.67.77.77.77.87.87.8
1137.67.77.77.87.98.08.0
1147.57.67.77.77.98.08.0
1157.67.67.77.87.97.98.0
1167.57.67.67.77.77.77.8
1177.57.57.67.77.87.97.9
1187.57.67.77.77.77.77.8
1197.47.57.67.67.77.77.7
1207.47.47.57.67.67.67.6
1217.37.47.47.57.57.57.6
1227.37.37.47.47.57.57.5
1237.37.47.48.18.18.18.2
1248.08.08.08.18.18.18.1
1257.98.08.08.08.08.18.1
1267.98.08.08.08.08.08.1
1277.97.97.97.98.08.08.0
1287.87.87.97.97.98.08.0
1297.67.77.87.87.97.98.0
1307.57.67.77.77.87.87.8
1317.57.67.67.77.77.87.8
1327.67.67.67.67.77.77.7
1337.57.57.67.67.67.77.8
1347.47.47.57.57.57.67.6
1357.47.57.57.67.67.67.7
1367.47.57.57.57.67.67.7
1377.47.57.57.67.77.77.8
1387.67.77.77.77.77.87.8
1397.57.57.67.67.77.77.8
1407.47.47.57.57.67.67.7
1417.57.57.57.57.67.67.7
1427.47.57.57.57.67.67.7
1437.57.57.57.57.57.67.7
1447.47.47.47.57.67.67.7
1457.47.57.57.57.67.67.7
1467.57.57.67.67.67.77.7
1477.57.57.67.67.77.77.8
1487.67.67.67.67.77.87.8
1497.57.57.57.67.67.77.7
1507.47.47.57.57.67.67.6
1517.47.47.57.67.87.98.0
1527.37.37.57.87.87.97.97.5
1537.27.27.27.47.77.87.97.2
1546.86.86.97.27.27.27.87.2
1556.97.07.17.27.67.87.97.1
1567.07.07.07.77.88.08.17.0
1576.96.97.07.07.98.08.07.0
1586.96.97.07.07.87.97.97.0
1596.96.96.97.07.07.08.07.0
1606.96.96.96.97.07.07.06.9
1617.07.07.07.17.17.17.17.1
1627.07.07.07.17.27.27.37.1
1637.07.07.07.07.07.07.17.0
1646.97.07.07.07.07.07.17.0
1656.97.07.07.07.17.17.27.0
1667.07.17.17.17.27.27.27.1
1676.97.07.17.27.37.47.57.2
1686.86.97.07.27.37.47.67.3
1696.76.86.86.97.27.37.47.3
1706.86.86.87.07.27.37.47.2
1716.76.86.87.07.17.27.27.1
1726.76.86.86.87.07.07.07.0
1736.76.76.76.97.07.27.27.1
1746.76.76.77.27.28.18.17.2
1757.27.37.37.68.18.38.47.3
1767.27.27.37.88.18.28.37.3
1777.17.27.27.37.87.87.97.2
1787.17.17.27.37.57.57.67.2
1797.07.17.17.17.27.27.37.2
1806.87.07.17.27.27.37.37.2
1816.76.97.17.27.37.47.47.3
1826.96.97.07.27.37.37.37.3
1837.07.07.17.27.27.37.37.2
1846.97.07.17.27.37.37.47.3
1857.07.07.17.37.37.37.47.3
1867.07.17.27.37.37.47.57.3
1877.07.17.17.37.37.37.47.3
1887.07.17.27.37.37.47.57.3
1896.86.86.97.27.47.57.57.4
1906.76.86.87.27.57.77.87.6
1916.76.86.87.57.67.77.87.6
1926.86.86.97.07.37.47.57.3
1936.96.97.07.07.17.27.37.1
1947.07.07.07.17.17.27.37.1
1957.07.17.17.17.27.27.27.2
1967.17.17.27.27.37.37.47.3
1977.07.27.37.37.37.47.57.3
1987.17.37.37.37.47.57.77.4
1997.17.27.37.37.47.67.87.5
2007.27.27.37.37.57.77.87.5
2016.87.07.27.47.67.87.97.6
2027.07.07.17.47.77.87.97.7
2037.17.17.27.47.77.98.07.7
2047.07.17.27.67.77.97.97.8
2057.27.27.27.37.77.87.87.7
2067.17.27.27.57.98.08.17.8
2077.97.98.08.08.18.28.38.0
2087.98.08.08.18.18.28.28.1
2098.08.08.08.08.18.18.28.1
2108.08.08.08.18.18.28.28.1
2118.08.08.18.18.28.28.38.1
2127.98.08.18.18.18.18.28.1
2138.08.08.18.18.28.38.38.1
2147.67.87.87.88.08.18.27.9
2157.57.67.77.77.87.97.97.7
2167.57.77.77.77.87.97.97.7
2177.67.77.87.87.87.97.97.8
2187.77.77.77.87.87.98.07.8
2197.77.77.87.97.98.08.17.9
2207.67.77.77.87.97.98.07.8
2217.67.67.77.77.77.87.87.7
2227.57.57.57.67.67.67.67.6
2237.57.57.57.67.67.67.77.6
2247.67.67.67.67.77.98.17.7
2257.77.77.77.77.87.98.07.8
2267.67.67.77.77.87.98.07.7
2277.67.77.77.77.98.08.17.8
2287.77.77.77.88.08.18.17.9
2297.77.87.87.87.97.98.07.9
2307.77.87.87.97.97.98.07.9
2317.77.87.87.87.97.98.07.8
2327.67.77.77.77.87.87.97.7
2337.67.77.77.77.87.87.87.7
2347.67.67.77.77.77.87.87.7
2357.77.77.77.87.87.87.97.8
2367.67.77.77.77.87.87.87.7
2377.37.57.67.77.77.77.87.7
2387.37.37.47.57.67.77.87.6
2397.27.37.47.57.67.97.97.7
2407.27.47.57.67.77.87.87.7
2417.27.37.47.57.67.77.87.6
2427.47.47.57.67.77.77.87.6
2436.97.07.47.77.77.77.87.7
2447.57.57.67.67.77.77.87.6
2457.47.57.57.67.67.77.77.6
2467.37.47.47.57.67.67.77.6
2477.27.37.37.47.67.77.77.6
2487.37.37.47.57.57.67.77.5
2497.47.47.47.57.57.57.67.5
2507.37.37.47.47.57.67.67.4
2517.17.27.27.47.57.57.67.2
2527.17.17.27.47.57.57.67.1
2537.47.47.47.57.57.57.6
2547.37.37.47.47.57.57.5
255
256
257
258
259
260
261
2627.87.87.87.87.97.97.9
2637.67.77.77.87.87.98.0
2647.77.77.77.87.87.97.9
2657.77.77.77.87.98.08.0
2667.47.57.57.67.77.77.8
2677.37.37.47.57.77.88.0
2687.17.37.47.57.77.77.8
2697.37.47.47.57.67.77.8
2707.37.37.47.57.77.77.8
2717.37.47.47.57.87.98.07.5
2727.27.37.37.47.88.18.27.4
2737.17.27.27.47.88.08.17.4
2747.17.17.17.57.67.98.17.5
2757.07.17.17.57.67.77.97.6
2767.17.17.17.67.77.77.87.6
2777.17.17.17.67.77.77.87.7
2787.17.17.17.27.67.77.87.6
2797.17.17.17.57.67.67.67.6
2807.17.17.27.47.57.57.57.4
2817.17.27.27.37.47.47.57.4
2827.27.37.37.37.47.87.87.3
2837.37.37.37.47.67.87.97.3
2847.37.47.47.57.67.77.87.4
2857.37.47.47.47.57.57.67.4
2867.37.47.47.47.57.57.67.4
2877.37.47.47.47.57.67.77.4
2887.37.37.47.47.57.67.77.4
2897.37.47.47.57.67.77.77.4
2907.27.37.47.57.67.77.87.4
2917.27.27.37.57.67.67.77.3
2927.27.27.37.47.57.57.67.3
2937.27.37.37.47.57.67.67.3
2947.17.27.27.47.57.67.77.2
2957.27.27.37.47.67.77.87.2
2967.27.27.27.47.67.77.87.2
2977.17.27.47.57.67.77.87.3
2987.07.07.17.67.77.77.87.1
2997.07.07.17.57.67.77.77.0
3006.97.07.17.57.67.67.67.0
3017.07.07.07.57.67.77.77.0
3027.07.07.17.57.77.77.87.1
3037.17.17.17.67.77.87.97.1
3046.97.27.37.67.87.87.97.2
3057.27.37.37.57.77.87.87.3
3067.27.37.37.57.67.77.87.3
3077.27.27.27.67.67.88.07.2
3087.07.17.27.68.08.08.17.2
3097.17.17.27.77.98.18.27.2
3107.27.27.27.77.88.18.37.2
3117.27.27.27.48.08.08.17.2
3127.27.27.37.48.18.18.27.3
3137.27.37.37.48.18.28.37.3
3147.37.37.47.58.08.18.27.4
3157.37.47.47.57.98.08.17.4
3167.47.47.57.57.98.08.17.4
3177.47.57.57.58.08.08.27.5
3187.17.47.57.68.08.18.27.4
3197.47.57.57.67.77.98.17.5
3206.87.07.47.67.67.77.87.4
3217.27.37.47.67.67.77.97.5
3227.57.57.67.78.08.18.27.5
3237.57.57.67.78.28.38.47.5
3247.47.57.57.98.48.48.57.5
3257.47.47.58.08.48.58.67.4
3267.57.67.77.98.58.58.57.6
3277.67.67.77.88.28.58.57.6
3287.57.67.67.88.38.38.47.6
3297.47.57.67.78.28.38.47.5
3307.47.57.67.67.98.18.27.5
3317.47.57.57.67.87.97.97.5
3327.47.57.57.77.87.87.97.5
3337.57.57.57.87.87.98.07.5
3347.47.57.57.67.87.97.97.5
3357.47.47.57.67.67.87.97.5
3367.47.47.47.67.77.97.97.4
3377.47.47.57.57.87.98.07.4
3387.47.47.57.57.97.97.97.5
3397.47.47.57.67.87.97.97.5
3407.47.57.67.77.87.98.07.6
3417.67.67.67.77.98.08.17.6
3427.57.67.77.87.98.08.17.7
3437.47.47.57.87.98.08.07.5
3447.47.47.47.87.87.98.07.4
3457.37.37.47.87.88.08.17.3
3467.37.37.37.87.87.97.97.3
3477.37.37.47.77.87.87.97.4
3487.37.47.47.67.87.87.87.4
3497.37.47.47.57.87.87.97.4
3506.77.47.57.77.88.28.27.5
3517.47.47.57.68.08.18.27.4
3527.37.37.47.48.08.08.17.4
3537.37.47.47.57.98.08.17.5
3547.47.47.47.57.98.28.37.5
3557.37.47.47.58.08.18.47.5
3567.47.47.47.67.88.08.17.5
3577.27.47.47.57.77.98.17.5
3587.27.37.47.57.67.87.97.5
3597.07.17.47.67.77.77.87.6
3606.76.97.57.67.77.87.97.7
3616.56.67.37.67.77.87.87.6
3626.36.47.57.67.77.77.97.6
3636.36.37.07.57.77.78.27.7
3646.36.67.47.78.08.28.38.2
3656.66.76.77.77.88.18.28.0