Shouguang is located in the middle of shandong peninsula, thesouth side of bohai laizhou bay . Across the east longitude 118 ° 32 '~ 119 ° 10', latitude 36 ° 41 '~ 37 ° 19'. The east is Weifang hanting district, the west is guangrao county, the south is qingzhou and changle instructor, the bohai sea is in the north. Running 60 km, 48 kilometers wide, 56 kilometers long coastline, covers an area of 2072 square kilometers, accounting for 1.43% of the total area of the province.
City is located in the southwest border, in north latitude 36 ° 52 ', longitude 118 ° 44 '. With the highway, railway across the country, the transportation is convenient. Linear distance: 400 km to Beijing, 165 km to jinan, 37.5 km to weifang, 31 km to qingzhou city, to 35.5 km wide cymbals county and to ChangLe 20.5 kilometers from the county seat. East of hanting bound 24.4 kilometres, is qingzhou 9.2 kilometers, south ChangLe and qingzhou border 16.8 km, north of guangrao county 42.48 kilometers, 40 kilometers northeast of hanting bound, 20.8 km northwest of guangrao county boundary and southwest is 12.4 km far away from qingzhou boundary and southeast is16 kilometers far away from changle boundry.
Climate (1959-2001) : shouguang is located in the middle latitude zone, the bohai sea is in the north, it belongs to the warm temperate monsoon region continental climate. Affected by changes in temperature air current alternately, forming a "dry little rain in spring, the summer hot and rainy, cool autumn cool YouHan, less dry and cold winter snow" climate characteristics.
Temperature: the annual average temperature 12.7 ℃, the annual 14.2 ℃, the highest (1998), minimum 11.4 ℃ (1969). On the highest average temperature in July, 26.5 ℃; Minimum 1 month, to 3.1 ℃. Poor in the average temperature of 29.6 ℃. Extreme maximum temperature 41.0 ℃, appeared in the June 11, 1968; The extreme minimum temperature of 22.3 ℃, appeared in the January 27, 1972. Rapid temperature in spring, the average temperature of 12.9 ℃, the average monthly temperature in March and April rebounded fastest, in April increased 7.7 ℃. It's hot in summer, the average temperature of 22.0 ℃, daily maximum temperature above 35 ℃, an average 9.8 days a year. Autumn temperature decreases, the average temperature of 13.8 ℃, the cooling rate in November, the largest is lower in October 7.9 ℃, have a cold. More and more warm, winter average temperature 1.3 ℃, 0.5 ℃, higher, the temperature is lower than 10.0 ℃ 14.6 days per year on average.
Precipitation: the average rainfall is 593.8 mm. Maximum of 1286.7 mm (1964), minimum 299.5 mm (1981). Seasonal rainfall concentrated in the summer (June, July and August). Annual average precipitation days 73.7 days (0.3 mm or higher for a rain day), July the most, an average of 13.6 days; In January, at least, an average of 2.4 days.
Sunshine, annual average sunshine hours 2548.8 hours of sunshine percentage is 57%. Up to 2827.4 hours (1968), at least 2276.0 hours (1964). A year in May, sunshine hours for 270.6 hours, most sunshine percentage is 62%; At least 173.0 hours in December, sunshine percentage is 58%. Greater than 0 ℃ during the sunshine hours for 2050.1 hours, accounted for 80% of the total sunshine time. During more than 10 ℃ sunshine hours for 1548.4 hours, accounting for 61% of the total sunshine time.
Solar radiation: shouguang is located in mid-latitudes, solar radiant energy is abundant. Average solar total radiation is 124.3 kcal/cm2, the most in May and June, 15.1 kcal/cm2, at least in December, 5.7 kcal/cm2.
Accumulated temperature: index 0 ℃ accumulated temperature of annual mean temperature 4799.9 ℃, 80% assurance accumulated temperature of 4564.7 ℃. Measure temperature of 10 ℃ accumulated temperature in an average of 4303.8 ℃, 80% assurance accumulated temperature of 4167.7 ℃. Measure temperature of 15 ℃ accumulated temperature of years an average of 3685.4 ℃, 80% assurance accumulated temperature of 3487.6 ℃. Measure temperature of 20 ℃ accumulated temperature of years an average of 2665.9 ℃, 80% assurance accumulated temperature of 2444.1 ℃.
Evaporation, average annual evaporation is 1834.0 mm, the maximum annual 2531.8 mm, the most young 1453.5 mm. Years evaporation rate of change is bigger, 3 - may account for 30% of the total annual evaporation - 35%, 6-45% - 50% in September, October to February accounts for only about 20%.
Humidity: 66% annual average relative humidity, the monthly average relative humidity in August supreme, 81%; 3, 4 month minimum, at 57%.
The wind speed: dominant wind direction for south by southeast wind throughout the year and the frequency is 10%. Winter prevailing west of due north wind, popular south by the southeast wind in summer and autumn.
The annual average wind speed 3.1 meters/seconds. In April, the largest average 3.9 meters/seconds; Minimum in August, with an average of 2.4 m/s. Maximum wind speed 23.0 meters/seconds, appeared in the March 20, 1984.
Ground temperature: the average surface temperature of 14.9 ℃. December to February, the monthly average ground temperature under 0 ℃, in January, the lowest, is 2.7 ℃; The highest in July, 29.9 ℃. - October 4 months on average surface temperature is above the average. The highest average surface temperature of 30.7 ℃, the minimum is 6.1 ℃. The extreme maximum temperature 68.5 ℃, July 18, 1992), the extreme minimum of 29.4 ℃ (January 27, 1972).
Ground temperature (0-20 cm) : in the soil of shallow ground temperature change and temperature change is roughly similar. Its characteristic is: months ground temperature is higher than the temperature, the depth of the shallow ground temperature range, the greater the ground temperature is the temperature have the obvious lag. Below 0 ℃ in winter began to freeze, ground temperature rapid rebound in March and April, July and August ground temperature, the highest since October fell sharply again.
Shouguang 4, 5 month for ChunBoQi, mainly using 5 cm and 10 cm ground temperature.
Permafrost: in October to April the following year. Permafrost in the early days, on average, in November 18, on October 29th, the earliest on December 13th at the latest. Permafrost day average on March 15th, as early as February 18, on April 9 at the latest.
To 10 cm deep in the frozen soil in the early days on December 15, on average, as early as November 8 (1981), at the latest on January 15 (2001); Average release dates on February 24, as early as February 5 (1978), in the late March 14 (1969). Average maximum frozen soil depth of 32 cm, 57 cm maximum frozen soil depth (February 10, 1984-11). Over the years the longest continuous permafrost days is 87 days, in 1967-1968.
To 30 cm deep in the soil freezing day on January 20th, on average, at the beginning of the earliest on December 24, on February 5th at the latest. The average release date on February 5th, as early as January 5, on March 11 at the latest. Over the years the longest continuous permafrost stay for 72 days.
In late February: the wheat root; Sweet potato seedling.
In early march: the end of the wheat root; Pear tree dormancy is terminated, leaf bud come unsewn; The snake recovery.
Middle: pear, peach blossom bud); Willow germination; South to swallow, dove.
Late: apple flower bud), leaf bud come unsewn; Poplar, pagoda tree, paulownia bud; Yu, LiuKai flower.
In early April: wheat jointing stage; Pear trees lamina comes; Peach tree comes; Locust, elm trees sprout; Poplar blossom; The frog out of the river.
In the middle: apple comes; Pear, peach fallen petal; Paulownia flower; The willow tree ripe; The cuckoo comes in the south
Late: wheat earing; Apple will take; Sheng long peach new tip; Elm ripe; Cotton sowing; Sweet potato ZaiYang; Red XiaKe to south.
In late may: cotton emergence; Implementation of apple; Peach hardcore; Acacia blossom; Poplar ripe; Gecko, bat out of the hole.
Middle: wheat mature; Cotton buds.
Late: wheat grouting; In the summer of summer maize, sorghum seeds.
In early June: wheat began to mature; In the summer of summer maize, sorghum emergence; Cotton began budding; Under the red waste chin northward.
Middle: wheat mature; Cotton seedlings.
: in late summer corn for small bell mouth; In the summer of sorghum elongating stage; Peach fruit enlargement.
Early July: summer corn for huge bellbottom period; Apple fruit enlargement.
In the middle: cotton flowering; The pear fruit expands; Peach fruit ripening; Pagoda tree flower.
: in late summer corn is the ear tasseling stage.
In early August, summer sorghum earing, dove northward.
In the middle: acacia began to mature fruit.
Late: cotton maturity; Apple, pear fruit to continue); Peach new shoots stop long.
Early September: summer corn began to mature, the swallow south; The cuckoo to south.
: the middle of summer sorghum began to mature.
Late: wheat sowing; In the summer of sorghum mature; Apple, pear mature; Paulownia mature fruit.
In early October: wheat emergence; The south wild goose. Sweet potato mature.
Middle: wheat tillering; The crickets sing.
In early November, apple trees, pear trees, peach trees deciduous; Black locust, poplar, paulownia, elm leaves; Serpent sting sleep; Frogs into the river; Gecko, bats into the hole.
: the middle of the wild goose south to go.
Late: the pagoda tree, willow leaves.