Attachment A. weather_data.xls - IFC Home

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					                                                                                                                        General Climatic Conditions from Illirny and En'muveem*
                             Air Temperature                              Precipitation                                      Wind                       Atmospheric Events
 Month




                                                                                                                                        speed >15
          Avg.                           No. of days with Avg. Pos.   Amount                         Rel.      Avg.




                                                                                                                                         w/wind
                                                                                                                                          # days
                     Abs. Value, °С                                                  # days with                                                     Monthly and    Max. # days




                                                                                                                                            м/s
         Monthly,                               Temperature            (mm)                        Humidity    Speed       Calms, %
                                                                                     precipitation                                                    Yearly Fog     with fog
           °С                                                                                         (%)       (m/s)
                     Max        Min         Avg.          Max.          Avg.
                                                                                       Illirny
I            -34.2       0         -59                                          17            12.3        77        2.4            39          1.8            0.2              2
II           -32.2      -2         -63                                          10             9.4        77        1.9            48          0.4            0.1              1
III          -28.3       3         -58                                           8             8.8        75        1.9            44          0.9            0.2              2
IV           -17.7       7         -47                                           8             8.5        77        2.4            46          0.3           0.05              1
V             -4.5      22         -36                                           7             8.5        76        2.6            35          0.5            0.1              1
VI             6.9      28         -15                                          19            11.7        70        2.2            32          0.2            0.1              1
VII           10.4      31          -6       36            92                   49            14.5        72        2.3            28          0.3            0.2              1
VIII           7.7      27         -11                                          45            13.7        76        2.4            25          0.5              2              6
IX             0.2      21         -23                                          24            10.7        82        2.4            25          0.0              1              3
X            -12.5       9         -40                                          19            13.6        84        2.4            26          1.1            0.3              3
XI           -23.8       5         -51                                          19            12.5        80        2.1            40          0.5            0.5              3
XII          -31.4      -3         -58                                          15            10.4        76        2.1            43          1.3            0.2              3
Year         -13.3      31         -63                                         240           134.6        77        2.3            36          8.0              5             12
                                                                                     En'muveem
I            -29.4       4         -61                                          16         no data        76        2.1            46           1               2              7
II           -26.0       2         -58                                           9         no data        73        2.4            35           1               1              5
III          -24.3       2         -53                                           7         no data        71        2.2            43           1             0.6              3
IV           -16.2       6         -46                                           8         no data        73        2.0            44           1             0.6              2
V             -1.4      16         -33             3.7                          15         no data        72        2.1            36           0             0.7              3
VI             9.5      27          -1            25.6                          20         no data        65        2.2            31           0             0.1              1
VII           13.0      30          -1            30.6                          53         no data        70        1.9            38           0             0.4              1
VIII           8.4      28          -7              26                          49         no data        75        2.1            37           0               1              4
IX             2.0      19         -16             9.8                          29         no data        76        2.1            41           1               1              4
X             -9.3      10         -38             0.9                          21         no data        78        2.5            36           1             0.8              4
XI           -20.0       2         -49             0.1                          16         no data        74        2.6            36           0             0.9              5
XII          -25.3       2         -53                                          13         no data        74        2.3            43           0               3              9
year          -9.9      30         -61                                         256         no data        73        2.2            39           5              12             63

* - As provided by Chukotka Hyd. And Met. Service
                                                                Approximate evaporation at Kupol, мм
                                                              Month
                Evaporation                                                               Season
                                               VI        VII        VIII        IX
                         From Surface Water at Ostrovnoye Weather Station
Average                                            96         87          54         42         280
Max. Monthly and Yearly                           129        117          70         18         334
Minimum Monthly and Yearly                         62         56          42         66         226
                                Kupol Snow Cover Based on Illirny and En'muveem Weather Stations


                                                  Averge Date (day/month)
                  No. of Days
Weather Station
                  W/Snowcover   1st Cover      Total Cover       Break-up       Disappearance

    Illirny           246        20-Sep           2-Oct           1-Jun             2-Jun

  En'muveem           230        26-Sep           9-Oct          24-May            25-May
                                                                                                 Snow Cover Data Based on Illirny and En'muveem Weather Stations
                                                   Illirny                                                              En'muveem
                                          10 day period                                                                10 day period
   Month                 1                           2                        3                       1                       2                    3
               Height          water     Height                     Height          water    Height      water    Height          water    Height      water
                                                      water content
                 (cm)         content      (cm)                       (cm)         content     (cm)     content      (cm)        content     (cm)     content
      X                                      9              7          17            14                                                       23         37
     XI           17            22           18            24          19            25         21        34          21            34        20         38
    XII           23            27           23            34          25            40         25        45          27            49        27         49
      I           31            40           31            43          31            50         33        63          37            70        45         76
      II          34            53           35            54          35            60         40        94          40            80        38         88
     III          38            63           37            68          37            68         47        76          47            84        45         99
     IV           36            74           36            72          31            72         42        99          46            99        43         99
      V           31            71           20            60                                   28        62          15            39
 Calculated
                  30            50          30            45          28             41         34          68         33         65          34          69
  Average
Avg. Density
                        167                         152                      148                     200                    195                    202
  (kg/m3)


                                                                                                                                            Kupol Wind Rose, %
                                                                                                       Direction
                                          Station
                                                          N           NE             E          SE          S         SW          W          NW          Calms
                                        Illirny            1          18             23          4          1          7          41          5           36
                                        En'muveem         20           5             6           8          7          5          14         35           30
                                        Kupol             20           3             4          12          24         4          2          31