| Record high, °C | 
                                            28 | 
                                            31 | 
                                            32 | 
                                            35 | 
                                            35 | 
                                            32 | 
                                            32 | 
                                            31 | 
                                            29 | 
                                            28 | 
                                            26 | 
                                            26 | 
                                        35 | 
                
                                            
                    | Average high, °C | 
                                            25 | 
                                            26 | 
                                            28 | 
                                            29 | 
                                            30 | 
                                            29 | 
                                            28 | 
                                            27 | 
                                            26 | 
                                            24 | 
                                            23 | 
                                            23 | 
                                        27 | 
                
                                            
                    | Average temperature, °C | 
                                            20 | 
                                            22 | 
                                            23 | 
                                            25 | 
                                            26 | 
                                            25 | 
                                            25 | 
                                            24 | 
                                            22 | 
                                            20 | 
                                            20 | 
                                            20 | 
                                        23 | 
                
                                            
                    | Average low, °C | 
                                            17 | 
                                            17 | 
                                            19 | 
                                            21 | 
                                            22 | 
                                            22 | 
                                            22 | 
                                            21 | 
                                            18 | 
                                            17 | 
                                            16 | 
                                            16 | 
                                        19 | 
                
                                            
                    | Record low, °C | 
                                            10 | 
                                            12 | 
                                            13 | 
                                            16 | 
                                            17 | 
                                            17 | 
                                            17 | 
                                            14 | 
                                            12 | 
                                            10 | 
                                            10 | 
                                            10 | 
                                        10 | 
                
            
                                            
                    | Rain, days | 
                                            2 | 
                                            3 | 
                                            3 | 
                                            9 | 
                                            0 | 
                                            9 | 
                                            10 | 
                                            8 | 
                                            7 | 
                                            4 | 
                                            4 | 
                                            4 | 
                                        63 | 
                
            
                                                        
                    | Fog, days | 
                                            1 | 
                                            1 | 
                                            1 | 
                                            1 | 
                                            0 | 
                                            0 | 
                                            0 | 
                                            0 | 
                                            0 | 
                                            1 | 
                                            1 | 
                                            0 | 
                                        6 | 
                
            
                                            
                    | Thunderstorms, days | 
                                            0 | 
                                            0 | 
                                            0 | 
                                            1 | 
                                            2 | 
                                            3 | 
                                            2 | 
                                            0 | 
                                            0 | 
                                            0 | 
                                            0 | 
                                            0 | 
                                        8 | 
                
                                                                    
                    | Average precipitation, mm. | 
                                            32 | 
                                            36 | 
                                            46 | 
                                            126 | 
                                            175 | 
                                            219 | 
                                            213 | 
                                            133 | 
                                            95 | 
                                            58 | 
                                            54 | 
                                            59 | 
                                        1246 | 
                
                                                                                
                        | Relative humidity, % | 
                                                    71 | 
                                                    69 | 
                                                    67 | 
                                                    71 | 
                                                    77 | 
                                                    80 | 
                                                    81 | 
                                                    80 | 
                                                    78 | 
                                                    76 | 
                                                    75 | 
                                                    74 | 
                                                75 | 
                    
                                                                                    
                        | Relative humidity morning, % | 
                                                    90 | 
                                                    90 | 
                                                    91 | 
                                                    92 | 
                                                    92 | 
                                                    93 | 
                                                    92 | 
                                                    92 | 
                                                    90 | 
                                                    89 | 
                                                    89 | 
                                                    89 | 
                                                91 | 
                    
                                                                                    
                        | Relative humidity evening, % | 
                                                    71 | 
                                                    72 | 
                                                    70 | 
                                                    73 | 
                                                    75 | 
                                                    78 | 
                                                    75 | 
                                                    79 | 
                                                    76 | 
                                                    74 | 
                                                    75 | 
                                                    73 | 
                                                74 | 
                    
                                                                        
                    | Wind speed, km/h | 
                                            14 | 
                                            14 | 
                                            12 | 
                                            14 | 
                                            12 | 
                                            12 | 
                                            14 | 
                                            14 | 
                                            12 | 
                                            14 | 
                                            14 | 
                                            16 | 
                                        14 | 
                
                                                                    
                    | Day Length, часов | 
                                            12 | 
                                            13 | 
                                            14 | 
                                            14 | 
                                            14 | 
                                            13 | 
                                            13 | 
                                            12 | 
                                            12 | 
                                            11 | 
                                            11 | 
                                            12 | 
                                        12 | 
                
                                                        
                    | Dew point, °C | 
                                            15 | 
                                            15 | 
                                            16 | 
                                            19 | 
                                            21 | 
                                            22 | 
                                            21 | 
                                            20 | 
                                            18 | 
                                            16 | 
                                            15 | 
                                            15 | 
                                        213 | 
                
                                                        
                    | Growing degree-day, °C | 
                                            300 | 
                                            362 | 
                                            383 | 
                                            465 | 
                                            482 | 
                                            424 | 
                                            465 | 
                                            417 | 
                                            362 | 
                                            300 | 
                                            310 | 
                                            310 | 
                                        4579 | 
                
                                                                    
                    | Solar radiation, global, Mj/m2 | 
                                            22 | 
                                            25 | 
                                            27 | 
                                            26 | 
                                            25 | 
                                            24 | 
                                            22 | 
                                            19 | 
                                            17 | 
                                            15 | 
                                            16 | 
                                            18 | 
                                        21 |