| Det teoretiska medelvattnet (mm) fastställd av Meteorologiska institutet | |||||||||||||||||||||||||
| STATION | 1966 | 1967 | 1968 | 1969 | 1970 | ||||||||||||||||||||
| NN | N43 | N60 | N2000 | NN | N43 | N60 | N2000 | NN | N43 | N60 | N2000 | NN | N43 | N60 | N2000 | NN | N43 | N60 | N2000 | ||||||
| Kemi | -350 | -120 | 22 | 433 | -357 | -127 | 15 | 426 | -364 | -134 | 8 | 419 | -372 | -142 | 0 | 411 | -379 | -149 | -7 | 404 | Uleåborg | -331 | -112 | 16 | 415 | -338 | -119 | 9 | 408 | -345 | -126 | 2 | 401 | -352 | -133 | -5 | 394 | -359 | -140 | -12 | 387 | Brahestad | -379 | -120 | -10 | 415 | -387 | -128 | -18 | 407 | -394 | -135 | -25 | 400 | -402 | -143 | -33 | 392 | -410 | -151 | -41 | 384 | Jakobstad | -420 | -170 | -25 | 415 | -428 | -178 | -33 | 407 | -437 | -187 | -42 | 398 | -445 | -195 | -50 | 390 | -453 | -203 | -58 | 382 | Vasa | -384 | -147 | -20 | 414 | -392 | -155 | -28 | 406 | -400 | -163 | -36 | 398 | -408 | -171 | -44 | 390 | -416 | -179 | -52 | 382 | Kaskö | -344 | -146 | -17 | 408 | -352 | -154 | -25 | 400 | -359 | -161 | -32 | 393 | -367 | -169 | -40 | 385 | -374 | -176 | -47 | 378 | Mäntyluoto | -302 | -142 | -6 | 378 | -309 | -149 | -13 | 371 | -315 | -155 | -19 | 365 | -322 | -162 | -26 | 358 | -328 | -168 | -32 | 352 | Raumo | -275 | -140 | -2 | 339 | -281 | -146 | -8 | 333 | -287 | -152 | -14 | 327 | -293 | -158 | -20 | 321 | -299 | -164 | -26 | 315 | Åbo | -167 | -84 | -1 | 291 | -172 | -89 | -6 | 286 | -176 | -93 | -10 | 282 | -181 | -98 | -15 | 277 | -185 | -102 | -19 | 273 | Föglö | -181 | -90 | -6 | 267 | -185 | -94 | -10 | 263 | -190 | -99 | -15 | 258 | -194 | -103 | -19 | 254 | -199 | -108 | -24 | 249 | Hangö | -80 | -53 | -4 | 248 | -83 | -56 | -7 | 245 | -86 | -59 | -10 | 242 | -89 | -62 | -13 | 239 | -92 | -65 | -16 | 236 | Helsingfors | -59 | -59 | -9 | 243 | -62 | -62 | -12 | 241 | -64 | -64 | -14 | 238 | -67 | -67 | -17 | 236 | -69 | -69 | -19 | 233 | Borgå | -38 | -48 | -3 | 239 | -41 | -51 | -6 | 236 | -43 | -53 | -8 | 234 | -45 | -55 | -10 | 232 | -48 | -58 | -13 | 229 | Fredrikshamn | -38 | -47 | 16 | 228 | -40 | -49 | 14 | 226 | -43 | -52 | 11 | 223 | -45 | -54 | 9 | 221 | -47 | -56 | 7 | 219 |