Hydrologic data, 1965 - Department of Water Resources - State of ...

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and minimum data are recorded on the date read even though the recorded reading may actually have occurred on the preceding day. At evaporation stations daily observations are taken of the amount of water in inches evaporating from an open pan, of wind movement in miles per day over the pan, and the temperature of the water. At some evaporation stations, observations are taken of temperature and moisture content of the soil, and of dry and wet bulb temperatures of the air. Evaporation stations are equipped with (1) an evaporation pan with a stilling well and gage, and (2) an anemometer, and, when required, a wet and dry bulb psychrometer and a water storage tank. These stations also serve as temperature and precipitation stations as described above. Coding The numbering system used by the Department was de- veloped to facilitate station identification by data processing machines. Station numbers are composed from three components - the drainage basin number, the alpha order number, and the subnumber Drainage Basin Designation . The State was divided into major hydrographic areas, and each of these areas was assigned an alphabetical letter which is the first digit of the drainage basin number. The second digit was obtained by dividing the major hydrographic areas into stream basins of primary importance and assigning a number of 0-9 with generally being the valley floor. 10
The major hydrographic areas and the stream basins which are reported in this volume are as follows: Stream Basin HYDROGRAPHIC AREA A Sacramento River Basin A-0 Sacramento Valley Floor A-l Pit River A-2 Shasta Lake A-3 Sacramento Valley West Side A-4 Sacramento Valley Northeast Stream Basin HYDROGRAPHIC AREA B San Joaquin River Basin B-0 San Joaquin Valley Floor B-l Cosumnes River B-2 Mokelumne-Calaveras Rivers Stream Basin G-l Surprise Valley G-2 Madeline Plains G-3 Eagle Lake G-H Susan River G-5 Smoke River HYDROGRAPHIC AREA G North Lahontan Area Stream Basin A-5 Feather River A-6 Yuba-Bear Rivers A-7 American River A-8 Cache Creek A-9 Putah Creek Stream Basin B-8 San Joaquin Valley West Side B-9 Sacramento-San Joaquin Delta Stream Basin G-6 Herlong G-7 Truckee River G-8 Carson River G-9 Walker River Alpha Order Number and Subnumber . The four digit alpha order numbers are assigned each station to denote its order in alphabetical sequence, mainly for machine processing. As the collection of data progressed, it was found necessary to add a subnumber of two digits to the four digit alpha number to maintain the alphabetical order of all station names 11
Page 2: LIBRARY UNIVERSITY OF CALIFORNM DAV
Page 9 and 10: State of California THE RESOURCES A
Page 11 and 12: TABLE OP CONTENTS Page ORGANIZATION
Page 13 and 14: State of California The Resources A
Page 15 and 16: INTRODUCTION The Department of Wate
Page 19: Appendix A Climate
Page 22 and 23: All of the data presented here are
Page 26 and 27: EXPLANATION OF TABLES Table A-l, "I
Page 28 and 29: Table A-2, "Precipitation Data for
Page 30 and 31: TABLE A-l INDEX OF CLIMATOLOGICAL S
Page 32 and 33: TABLE A-l (Continued) INDEX OF CLIM
Page 40 and 41: Station SACRAMENTO RIVER BASIN SACR
Page 42 and 43: Station TABLE A-2 (Continued) PRECI
Page 44 and 45: Station SACRAMENTO RIVER BASIN FEAT
Page 46 and 47: Station SACRAMENTO RIVER BASIN CACH
Page 48 and 49: Station TABLE A-2 (Continued) PRECI
Page 50 and 51: Station TABLE A-3 STORAGE PRECIPITA
Page 52 and 53: Station SACRAMENTO RIVER BASIM SACR
Page 54 and 55: Station TABLE A-4 (Continued) TEMPE
Page 56 and 57: TABLE A-4 (Continued) TEMPERATURE D
Page 58 and 59: Stotion TABLE A-4 (Continued) TEMPE
Page 66 and 67: Station TABLE A-5 EVAPORATION DATA
Page 68 and 69: TABLE A-5 (Continued) EVAPORATION D
Page 71: Sheet I of 3 Sheets PLATE A- A-l LE
Page 75:
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