State and Quantity Water Resources Data for Country: Latvia . 2007 The observation lenth period is too small to be representation for LTAA values. 330.2 2007 Potential evapotranspiration PE by Blaney-Cridle formula: PE=p(0,46T+8) mm/day , where T is the mean daily temperature over each month, p is the mean daily percentage of total annual daytime hours; Actual evapotranspiration E =Eav (m) * F, where Eav is a function of T (ºC) weighed average air temperature and e (hPa) weighed average vapour pressure. Eav is determined from the Nomogramma of A.Konstantinov for each River Basin District (RBD). 1961 2005 18376 17863 32783 31616 10802 9743 7574 8120 12348 13596 18695 21059 17479 19859 1216 1200 HD073141 Daugavpils 2007 55.8615 26.5212 LKS92 Transverse_Mercator 85.81 HQ curve Daugava Daugava 64500 -1 -1 102 1825 17/09/2007 24/03/2007 1920 2007 404 441 1961 2005 HD073151 Jekabpils 2007 56.4976 25.8914 LKS92 Transverse_Mercator 74.55 HQ curve Daugava Daugava 70500 -1 -1 113 1968 16/09/2007 26/03/2007 1920 2007 450 505 1961 2005 HD073400 Lielpeci 2007 56.8051 24.7153 LKS92 Transverse_Mercator 30 HQ curve Ogre Daugava 1660 -1 -1 3.01 92.56 17/08/2007 16/01/2007 1927 2007 20.5 18.3 1961 2005 HD073380 Griskani 2007 56.5116 27.4365 LKS92 Transverse_Mercator 138.7 HQ curve Rezekne Daugava 545 -1 -1 0.47 16 24/09/2007 22/01/2007 1955 2007 3.12 3.1 1961 2005 LV460AIZD7_9658 Aizkraukle 2007 56.609 25.262 LKS 92 Transverse Mercator 87.48 D7 no 1992 2007 6 9 71.11 71.09 LV460AIZD7_9662 Aizkraukle 2007 56.609 25.262 LKS 92 Transverse Mercator 86.29 D7 no 1992 2007 6 10 67.63 67.36 LV460AIZD7_9659 Aizkraukle 2007 56.609 25.262 LKS 92 Transverse Mercator 93.65 D7 no 1992 2007 6 10 82.65 82.16 LV006BALD4_5 Baltezers 2007 57.027 24.331 LKS 92 Transverse Mercator 10.58 D4 yes 1979 2007 7 11 3.31 3.19 LV006BALD4_6 Baltezers 2007 57.027 24.331 LKS 92 Transverse Mercator 10.56 D4 yes 1979 2007 8 11 3.52 3.56 LV051DAUD10_9690 Grīva (Daugavpils) 2007 55.867 26.472 LKS 92 Transverse Mercator 10.54 D10 no 1980 2007 10 3 2.91 2.57 LV005JUGQ_1505 Jugla 2007 56.998 24.221 LKS 92 Transverse Mercator 3.33 Q yes 1979 2007 0 9 0.71 0.64 LV005JUGD4_1500 Jugla 2007 56.998 24.221 LKS 92 Transverse Mercator 3.45 D4 yes 1979 2007 7 0 1.5 -1.66 LV005JUGD4_1501 Jugla 2007 56.998 24.221 LKS 92 Transverse Mercator 3.33 D4 yes 1979 2007 7 10 1.03 -0.36 LV005JUGD4_1504 Jugla 2007 56.998 24.221 LKS 92 Transverse Mercator 3.32 D4 yes 1979 2007 2 3 1.11 -1.79 LV220KAID10_9688 Kaitra 2007 56.072 27.662 LKS 92 Transverse Mercator 164.2 D10 no 1979 2007 8 2 144.12 143.99 LV220KAID10_9686 Kaitra 2007 56.072 27.662 LKS 92 Transverse Mercator 164.2 D10 no 1979 2007 8 0 158.54 158.5 LV511TIND4_9578 Tinūži (Mazā Jugla) 2007 56.87 24.565 LKS 92 Transverse Mercator 22.29 D4 yes 1979 2007 5 2 22.12 21.87 LV511TIND4_9579 Tinūži (Mazā Jugla) 2007 56.87 24.565 LKS 92 Transverse Mercator 22.21 D4 yes 1979 2007 5 9 21.24 21.05 LV001RIGD4_3188 Rīga 2007 56.942 24.098 LKS 92 Transverse Mercator 2.94 D4 yes 1979 2007 0 8 0.26 0.21 LV001RIGD4_3191 Rīga 2007 56.942 24.098 LKS 92 Transverse Mercator 2.65 D4 yes 1979 2007 1 3 0.28 -1.6 LV001RIGD4_606 Rīga 2008 56.942 24.098 LKS 92 Transverse Mercator 2.42 D4 yes 1992 2007 7 1 -0.95 -3.37 LV009IMAD4_686 Imanta 2007 56.962 24.038 LKS 92 Transverse Mercator 9.92 D4 yes 1979 2007 4 2 4.26 4.25 LV009IMAD4_685 Imanta 2007 56.962 24.038 LKS 92 Transverse Mercator 9.46 D4 yes 1979 2007 5 0 0.66 -4.61 LV009IMAD4_683 Imanta 2007 56.962 24.038 LKS 92 Transverse Mercator 9.54 D4 yes 1979 2007 11 2 -0.8 -5.9 RIDM99MS Daugavpils 2007 55.9342 26.6592 LKS92 Transverse_Mercator 123.8 Tretjakov's precipitation gauge & Pluviograph Daugava 64500 -1 -1 1925 2007 annual RIAL99MS Aluksne 2007 57.4397 27.0356 LKS92 Transverse_Mercator 197 Tretjakov's precipitation gauge & Pluviograph Aluksne -1 -1 1945 2007 annual RIZI99PA Zilani 2007 56.52 25.9183 LKS92 Transverse_Mercator 106.6 Tretjakov's precipitation gauge Daugava -1 -1 1943 2007 annual HD073692 Rigas 2007 56.835 24.3925 LKS92 Transverse_Mercator 18 Man-made 339 1978 2007 18024 22123 18480 21381 HD073164 Plavinu 2007 56.5831 25.1894 LKS92 Transverse_Mercator 72 Man-made 509 1975 2007 16780 19899 16493 19742 HD073169 Keguma 2007 56.7408 24.7117 LKS92 Transverse_Mercator 32 Man-made 157 1975 2007 16493 19742 15673 19237 2007 Potential evapotranspiration PE by Blaney-Cridle formula: PE=p(0,46T+8) mm/day , where T is the mean daily temperature over each month, p is the mean daily percentage of total annual daytime hours; Actual evapotranspiration E =Eav (m) * F, where Eav is a function of T (ºC) weighed average air temperature and e (hPa) weighed average vapour pressure. Eav is determined from the Nomogramma of A.Konstantinov for each River Basin District (RBD). 101780 8879.9 15838 15069 5612 5351 4568 3528.9 295 309 3292 3411 3292 3411 0 0 HD073062 Sigulda 2007 57.1654 24.8414 LKS92 Transverse_Mercator 11.25 HQ curve Gauja Gauja 6510 -1 -1 21.4 217 20/08/2007 17/01/2007 1940 2007 64.9 70.8 1961 2005 HD073044 Velena 2007 57.2436 26.3631 LKS92 Transverse_Mercator 112 HQ curve Gauja Gauja 697 -1 -1 0.97 36.71 07/07/2007 17/01/2007 1958 2007 6.6 6.12 1961 2005 HD073003 Mazsalaca 2007 57.8574 25.0523 LKS92 Transverse_Mercator 37.6 HQ curve Salaca Salaca 2260 -1 -1 3.45 60.97 22/08/2007 22/01/2007 1951 2007 22.3 19.9 1961 2005 LV004CARD4_1485 Carnikava 2007 57.137 24.269 LKS 92 Transverse Mercator 1.45 D4 yes 1979 2007 7 3 1.22 1.42 LV004CARD4_1486 Carnikava 2007 57.137 24.269 LKS 92 Transverse Mercator 1.63 D4 yes 1979 2007 11 3 1.56 1.63 LV008INCD4_1491 Inčukalns 2007 57.123 24.645 LKS 92 Transverse Mercator 39.09 D4 yes 1979 2007 5 11 22.12 22.25 LV008INCD4_1492 Inčukalns 2007 57.123 24.645 LKS 92 Transverse Mercator 36.58 D4 yes 1979 2007 6 11 20.94 21.07 LV008INCD4_1493 Inčukalns 2007 57.123 24.645 LKS 92 Transverse Mercator 36.64 D4 yes 1979 2007 6 11 19.39 19.54 LV391RIMD5_9600 Rimeikas 2007 57.804 25.023 LKS 92 Transverse Mercator 63.17 D5 no 1980 2007 7 0 61.82 61.62 LV391RIMD5_9602 Rimeikas 2007 57.804 25.023 LKS 92 Transverse Mercator 68.61 D5 no 1980 2007 7 2 65.51 65.05 RIRU99PA Rujiena 2007 57.8867 25.3717 LKS92 Transverse_Mercator 67 Tretjakov's precipitation gauge & pluviograph Ruja -1 0 1925 2007 annual RIPR99PA Priekuli 2007 57.3158 25.3386 LKS92 Transverse_Mercator 121.9 Tretjakov's precipitation gauge & pluviograph Gauja -1 0 1925 2007 annual 2007 Potential evapotranspiration PE by Blaney-Cridle formula: PE=p(0,46T+8) mm/day , where T is the mean daily temperature over each month, p is the mean daily percentage of total annual daytime hours; Actual evapotranspiration E =Eav (m) * F, where Eav is a function of T (ºC) weighed average air temperature and e (hPa) weighed average vapour pressure. Eav is determined from the Nomogramma of A.Konstantinov for each River Basin District (RBD). 6429 5170.91 10972 10484 3097 3540 3332 1630.91 1669 1285 4552 3122 4519 3089 33.4 32.9 HD073482 Bauska 2007 56.402 24.1802 LKS92 Transverse_Mercator 10.38 HQ curve Musa Lielupe 5320 -1 -1 5.53 287 18/06/2007 09/03/2007 1921 2007 37.8 23.2 1961 2005 HD073552 Balozi 2007 56.6844 23.5033 LKS92 Transverse_Mercator 0.5 HQ curve Berze Lielupe 904 -1 -1 0.73 33.36 22/07/2007 12/03/2007 1961 2007 6.35 5.22 1961 2005 LV012MARD4_1580 Mārupe 2007 56.875 23.937 LKS 92 Transverse Mercator 10.42 D4 yes 1979 2007 8 1 0.71 -3.58 LV012MARD4_1576 Mārupe 2007 56.875 23.937 LKS 92 Transverse Mercator 10.42 D4 yes 1979 2007 5 0 0.26 -4.05 LV012MARD4_1577 Mārupe 2007 56.875 23.937 LKS 92 Transverse Mercator 10.43 D4 yes 1979 2007 10 0 2.66 0.36 LV012MARD4_1578 Mārupe 2007 56.875 23.937 LKS 92 Transverse Mercator 10.46 D4 yes 1979 2007 7 2 4.44 2.88 LV012MARD4_1575 Mārupe 2007 56.875 23.937 LKS 92 Transverse Mercator 10.43 D4 yes 1979 2007 8 1 0.84 -3.44 LV023SLOD4_1601 Sloka 2007 56.934 23.588 LKS 92 Transverse Mercator 3.18 D4 yes 1982 2007 6 0 1.24 -1.5 LV023SLOD4_1604 Sloka 2007 56.934 23.588 LKS 92 Transverse Mercator 3.15 D4 yes 1982 2007 5 0 1.57 -2.52 LV023SLOD4_1605 Sloka 2007 56.934 23.588 LKS 92 Transverse Mercator 3.06 D4 yes 1983 2007 5 0 0.64 0.74 LV023SLOD4_1606 Sloka 2007 56.934 23.588 LKS 92 Transverse Mercator 3.12 D4 yes 1983 2007 5 0 1.11 0.9 LV024JDUD4_692 Jaundubulti 2007 56.963 23.75 LKS 92 Transverse Mercator 2.96 D4 yes 1979 2007 5 10 -0.53 -1.75 LV024JDUD4_693 Jaundubulti 2007 56.963 23.75 LKS 92 Transverse Mercator 5.66 D4 yes 1979 2007 5 3 1.53 0.58 LV024JDUD4_458 Jaundubulti 2007 56.963 23.75 LKS 92 Transverse Mercator 5.62 D4 yes 1979 2007 6 9 -4.42 -5.85 RIBA99PA Bauska 2007 56.4158 24.1831 LKS92 Transverse_Mercator 30 Tretjakov's precipitation gauge Musa -1 -1 1946 2007 annual RIDO99MS Dobele 2007 56.62 23.3197 LKS92 Transverse_Mercator 42 Tretjakov's precipitation gauge & pluviograph Berze -1 0 1949 2007 annual 2007 Potential evapotranspiration PE by Blaney-Cridle formula: PE=p(0,46T+8) mm/day , where T is the mean daily temperature over each month, p is the mean daily percentage of total annual daytime hours; Actual evapotranspiration E =Eav (m) * F, where Eav is a function of T (ºC) weighed average air temperature and e (hPa) weighed average vapour pressure. Eav is determined from the Nomogramma of A.Konstantinov for each River Basin District (RBD). 1961 2005 13594 10562.34 19454 18507 6734 6796.875 6859 3765.47 2288 1640 6586 5195 6553 5162 33.4 32.9 HD073613 Kuldiga 2007 56.9867 21.9608 LKS92 Transverse_Mercator 5.16 HQ curve Venta Venta 8320 -1 -1 14.9 584 14/06/2007 11/03/2007 1920 2007 96.5 69.3 1961 2005 HD073682 Dukupji 2007 56.3647 21.2186 LKS92 Transverse_Mercator 1.65 HQ curve Barta Barta 1700 -1 -1 3.14 167 28/05/2007 14/01/2007 1950 2007 28.1 20 1961 2005 HD073664 Pieviki 2007 56.9085 21.4039 LKS92 Transverse_Mercator 15.24 HQ curve Riva Riva 196 -1 -1 0.13 17 24/06/2007 14/01/2007 1964 2007 1.83 2.08 1964 2005 HD073582 Vicaki 2007 57.5482 21.8628 LKS92 Transverse_Mercator 3.96 HQ curve Irbe Irbe 1920 -1 -1 3.71 70.5 22/07/2007 19/01/2007 1955 2007 20.4 16.2 1962 2005 LV035AISA_2503 Aistere 2007 56.643 21.296 LKS 92 Transverse Mercator 27.83 A yes 1979 2007 6 0 12.15 6.13 LV035AISF1_2509 Aistere 2007 56.643 21.643 LKS 92 Transverse Mercator 27.95 F1 no 1979 2007 6 0 23.53 23.38 LV036KOPA_848 Kopdarbs 2007 56.66 21.054 LKS 92 Transverse Mercator 3.37 A yes 1985 2007 6 0 3.21 0.96 LV036KOPA_849 Kopdarbs 2007 56.66 21.054 LKS 92 Transverse Mercator 3.41 A yes 1985 2007 6 0 2.87 2.68 LV036KOPA_850 Kopdarbs 2007 56.66 21.054 LKS 92 Transverse Mercator 3.52 A yes 1985 2007 6 0 2.79 -0.63 LV036KOPA_851 Kopdarbs 2007 56.66 21.054 LKS 92 Transverse Mercator 3.42 A yes 1985 2007 6 11 2.73 -0.32 LV036KOPA_852 Kopdarbs 2007 56.66 21.054 LKS 92 Transverse Mercator 3.42 A yes 1985 2007 6 4 2.67 0.92 LV036KOPA_853 Kopdarbs 2007 56.66 21.054 LKS 92 Transverse Mercator 3.47 A yes 1985 2007 6 0 2.82 0.61 LV032KROA_2678 Krote 2007 56.545 21.535 LKS 92 Transverse Mercator 50.59 A yes 1991 2007 10 0 49.07 48.13 LV032KROF1_2679 Krote 2007 56.545 21.535 LKS 92 Transverse Mercator 50.65 F1 yes 1991 2007 10 0 49.52 48.62 LV031LAUA_854 Lauma 2007 56.539 21.023 LKS 92 Transverse Mercator 4.29 A yes 1988 2007 5 0 2.37 -1.19 LV031LAUA_855 Lauma 2007 56.539 21.023 LKS 92 Transverse Mercator 4.28 A yes 1988 2007 5 0 0.53 -7.22 LV031LAUA_858 Lauma 2007 56.539 21.023 LKS 92 Transverse Mercator 4.96 A yes 1988 2007 3 0 0.53 -2.09 LV031LAUF1_862 Lauma 2007 56.539 21.023 LKS 92 Transverse Mercator 4.2 F1 no 1988 2007 3 0 -0.1 -2.99 LV031LAUA_856 Lauma 2007 56.539 21.023 LKS 92 Transverse Mercator 4.23 A yes 1988 2007 2 6 0.88 -7.2 LV031LAUA_857 Lauma 2007 56.539 21.023 LKS 92 Transverse Mercator 4.27 A yes 1988 2007 5 0 1.44 -5.66 LV031LAUA_859 Lauma 2007 56.539 21.023 LKS 92 Transverse Mercator 4.41 A yes 1988 2007 2 6 -1.4 -5.34 LV031LAUA_860 Lauma 2007 56.539 21.023 LKS 92 Transverse Mercator 4.27 A yes 1988 2007 4 6 0.23 -2.71 LV031LAUF1_861 Lauma 2007 56.539 21.023 LKS 92 Transverse Mercator 4.47 F1 no 1988 2007 3 0 0.13 -2.87 LV038LIPA_2648 Liepāja 2007 56.522 21.016 LKS 92 Transverse Mercator 4.83 A yes 1979 2007 3 0 -0.22 -3.24 LV160PAMF2_2911 Pampāļi 2007 56.499 22.26 LKS 92 Transverse Mercator 82.12 F2 no 1997 2007 7 2 78.39 78.19 LV160PAMF2_2909 Pampāļi 2007 56.499 22.26 LKS 92 Transverse Mercator 81.16 F2 no 1997 2007 8 11 70.49 69.81 LV520SKRA_9316 Skrunda 2007 56.646 22.027 LKS 92 Transverse Mercator 31 A yes 1997 2007 3 0 21.99 21.53 LV520SKRA_9317 Skrunda 2007 56.646 22.027 LKS 92 Transverse Mercator 31 A yes 1997 2007 3 0 22.37 21.76 LV520SKRA_9318 Skrunda 2007 56.646 22.027 LKS 92 Transverse Mercator 31 A yes 1997 2007 3 0 22.68 21.83 LV520SKRA_9319 Skrunda 2007 56.646 22.027 LKS 92 Transverse Mercator 31 A yes 1997 2007 3 0 22.69 21.9 LV520SKRF2_9322 Skrunda 2007 56.646 22.027 LKS 92 Transverse Mercator 31 F2 no 1997 2007 5 0 29.39 29.16 LV520SKRF2_9323 Skrunda 2007 56.646 22.027 LKS 92 Transverse Mercator 31 F2 no 1997 2007 5 0 29.43 28.83 Lv037ZIED1_2680 Ziemupe 2007 56.706 21.066 LKS 92 Transverse Mercator 6.05 D1 no 1986 2007 6 0 3.29 1.59 RIST99PA Stende 2007 57.1833 22.5508 LKS92 Transverse_Mercator 80 Tretjakov's precipitation gauge Stende -1 -1 1925 2007 annual RILP99PA Liepaja 2007 56.4756 21.0206 LKS92 Transverse_Mercator 4 Tretjakov's precipitation gauge Pilsetas chanal -1 -1 1925 2007 annual