天津图书馆

一、气压
  1.各月平均气压........................................141
  二、气温
  2.各月平均气温....................................141
  3.各月极端最高气温...........................................142
  4.各月极端最低气温..................................145
  5.各月逐旬平均气温..................................144
  6.各月逐旬日最高气温≥30度日数...........................144
  7.各月逐旬日最高气温≥35度日数...........................146
  8.各月逐旬日最高气温≥40度日数..........................146.
  9.各月逐旬日最低气温≤-20度日数.........................147
  10.各月逐旬日最低气温≤-10度日数..........................147
  11.各月逐旬日最低气温≤0度日数及初、终期...............147
  12.日平均气温稳定通过0.10度初、终期及10度的积温...................148
  13.秋季第一次寒潮...................................149
  14.1-14，10-12月最大降温度数及连续日数..................150
  15.1-4，10-12月各级降温次数..........................150
  三、湿度
  16.各月平均绝对湿度..................................152
  17.各月平均相对湿度..................................152
  18.各月最大绝对湿度.................................153
  19.各月最小绝对湿度..................................154
  20.各月定时最小相对湿度...................................155
  四、降水
  21.各季降水量.....................................156
  22.各月降水量....................................156.
  23.各月一日最大降水量................................157
  24.各月逐旬降水量...................................158
  25.各月逐旬降水日数..................................158
  26.各月逐日降水量...................................160
  27.各月日降水量≥O.1毫米日数............................172
  28.各月日降水量≥5毫米日数.............................172
  29.各月日降水量≥10毫米日数.............................173
  30.各月日降水量≥50毫米日数.............................173
  31.各月日降水量≥100毫米日数............................174
  32.各月日降水量≥150毫米日数............................174
  33.各月最大积雪深度...............................175
  34.各月最长连续降水日数及其量..........................176
  35.各月最长连续无降水日数............................178
  五、地温
  36.各月最大冻土深度及10、30厘米处冻结、解冻日期......180
  37.各月地面平均温度...............................181
  38.各月5厘米平均地温..............................181
  39.各月10厘米平均地温.............................182
  40.各月15厘米平均地温............................183
  41.各月逐旬地面最低温度00度日数及初、终期...................182
  42.各月20厘米平均地温....................184
  六、蒸发
  43.各月蒸发量..................................184
  七、日照
  44.各月日照时数.............................185
  45.各月日照百分率................................185
  八、风
  46.各月平均风速.................................186
  47.各月大风日数.................................186
  48.累年各月各风向频率..............................187
  49.累年各月各风向最大风速............................187
  50.各月定时最大风速及其风向...........................188
  51.各月最多风向及其频率"...........................190
  九、天气现象日数
  52.各月沙暴日数.................................191
  53.各月雹日数...................................--191
  54.各月雾日数..................................192
  55.各月远电日数.................................192
  56.各月雷暴日数及其初、终期...........................193
  57.各月降雪日数及其初、终期“..........................193
  58.各月积雪日数及其初、终期"..........................194
  59.各月霜日数及其初、终期............................194
  60.各月雨淞日数及一次最长连续时数........................195
  61.各月雾淞日数及一次最长连续时数“.......................195
  62.各月晴天日数.................................196
  63.各月阴天日数.................................196