| Det teoretiska medelvattnet (mm) fastställd av Meteorologiska institutet | |||||||||||||||||||||||||
| STATION | 1976 | 1977 | 1978 | 1979 | 1980 | ||||||||||||||||||||
| NN | N43 | N60 | N2000 | NN | N43 | N60 | N2000 | NN | N43 | N60 | N2000 | NN | N43 | N60 | N2000 | NN | N43 | N60 | N2000 | ||||||
| Kemi | -423 | -193 | -51 | 360 | -430 | -200 | -58 | 353 | -437 | -207 | -65 | 346 | -445 | -215 | -73 | 338 | -452 | -222 | -80 | 331 | Uleåborg | -402 | -183 | -55 | 344 | -409 | -190 | -62 | 337 | -416 | -197 | -69 | 330 | -423 | -204 | -76 | 323 | -430 | -211 | -83 | 316 | Brahestad | -457 | -198 | -88 | 337 | -465 | -206 | -96 | 329 | -472 | -213 | -103 | 322 | -480 | -221 | -111 | 314 | -488 | -229 | -119 | 306 | Jakobstad | -502 | -252 | -107 | 333 | -510 | -260 | -115 | 325 | -519 | -269 | -124 | 316 | -527 | -277 | -132 | 308 | -535 | -285 | -140 | 300 | Vasa | -464 | -227 | -100 | 334 | -472 | -235 | -108 | 326 | -480 | -243 | -116 | 318 | -488 | -251 | -124 | 310 | -496 | -259 | -132 | 302 | Kaskö | -418 | -220 | -91 | 334 | -426 | -228 | -99 | 326 | -433 | -235 | -106 | 319 | -441 | -243 | -114 | 311 | -448 | -250 | -121 | 304 | Mäntyluoto | -366 | -206 | -70 | 314 | -373 | -213 | -77 | 307 | -379 | -219 | -83 | 301 | -386 | -226 | -90 | 294 | -392 | -232 | -96 | 288 | Raumo | -334 | -199 | -61 | 280 | -340 | -205 | -67 | 274 | -346 | -211 | -73 | 268 | -352 | -217 | -79 | 262 | -358 | -223 | -85 | 256 | Åbo | -211 | -128 | -45 | 247 | -216 | -133 | -50 | 242 | -220 | -137 | -54 | 238 | -225 | -142 | -59 | 233 | -229 | -146 | -63 | 229 | Föglö | -227 | -136 | -52 | 221 | -231 | -140 | -56 | 217 | -236 | -145 | -61 | 212 | -240 | -149 | -65 | 208 | -245 | -154 | -70 | 203 | Hangö | -111 | -84 | -35 | 217 | -114 | -87 | -38 | 214 | -117 | -90 | -41 | 211 | -120 | -93 | -44 | 208 | -123 | -96 | -47 | 205 | Helsingfors | -84 | -84 | -34 | 218 | -87 | -87 | -37 | 216 | -89 | -89 | -39 | 213 | -92 | -92 | -42 | 211 | -94 | -94 | -44 | 208 | Borgå | -62 | -72 | -27 | 215 | -65 | -75 | -30 | 212 | -67 | -77 | -32 | 210 | -69 | -79 | -34 | 208 | -72 | -82 | -37 | 205 | Fredrikshamn | -60 | -69 | -6 | 206 | -62 | -71 | -8 | 204 | -65 | -74 | -11 | 201 | -67 | -76 | -13 | 199 | -69 | -78 | -15 | 197 |