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A quick description of water quality data Disclaimer: any data provided on these pages is intended for discussion only, and should be used as such. The accuracy of it cannot be guaranteed for any purpose.

pH This is a measure of acidity/alkalinity that ranges from 0 to 14. A reading of 7 is said to be neutral. Natural waters typically show variations throughout the day, and in general, pH is highest in the afternoon as sunlight increases photosynthesis in the water.

Temperature (deg F) Stream temperatures of around 70 degrees are common in Hawaii, and ocean water varies greatly by location.

DO / Dissolved Oxygen (% saturation) - This describes how much oxygen the water is currently has in relation to the maximum amount that it could have. One primary reason DO fluctuates in water is temperature. Warmer water is less capable of holding oxygen.