COASTAL CURRENTS, ATLANTIC COAST 37 



Table 7. — Current Harmonic Constants, Atlantic Coast Lightships — Con. 



Constituent 



North component 

 (magnetic) 



East component 

 (magnetic) 



Veloc- 

 ity 

 H 



(knots) 



Epoch 



Local 



(«) 

 (de- 

 grees) 



Green- 

 wich 

 (de- 

 grees) 



Veloc- 



ity 



H 

 (knots) 



Epoch 



Local 

 («) 

 (de- 

 grees) 



Green- 

 wich 

 (de- 

 grees) 



Hen and Chickens Lightship 



369 days beginning September 1, 1930. 

 Magnetic variation 14° west 



97 

 319 

 159 

 167 

 324 

 359 

 352 

 188 

 214 

 297 



97 

 109 

 111 

 161 

 334 

 2ii5 

 2o0 

 136 



North component 

 (magnetic) 



Veloc- 

 ity 

 H 



(knots) 



Epoch 



Local 



M 

 (de- 

 grees) 



Green- 

 wich 

 (de- 

 grees) 



East component 

 (magnetic) 



Veloci- 



ity 



H 

 (knots) 



Epoch 



Local 



(«) 

 (de- 

 grees) 



Green- 

 wich 

 (de- 

 grees) 



Brenton Reef Lightship 



369 days beginning July 23, 1930. 

 netic variation 14° west 



Mag- 



Fire Island Lightship 



369 days beginning July 2, 1938. Magnetic 

 variation 12° west 



167 

 312 

 311 

 76 

 303 



97 

 149 



6 

 54 

 12 

 282 

 143 

 108 

 153 

 114 

 323 

 280 

 37 

 204 



299 

 133 

 238 

 68 

 216 

 181 

 226 

 187 

 109 

 66 

 37 

 204 



Barnegat Lightship 



369 days beginning February 1, 1935. 

 Magnetic variation 10° west 



0.011 

 0.003 

 0.003 

 0.003 

 0.047 

 0.002 

 0.002 

 0.002 

 0.002 

 0.007 

 0.016 

 0.007 

 0.007 

 0.016 

 0.014 

 0.002 

 0.052 

 0.013 



268 



73 

 179 



22 

 148 

 226 

 122 



93 



4 



144 



156 



45 



170 

 118 

 128 

 295 



342 

 221 

 327 



58 

 177 

 235 

 292 

 230 

 119 

 160 

 154 

 318 

 266 

 128 

 295 



0.012 

 0.003 

 0.003 

 0.003 

 0.029 

 0.000 

 0.005 

 0.001 

 0.001 

 0.004 

 0.012 

 0.011 

 0.006 

 0.026 

 0.006 

 0.004 

 0.017 

 0.017 



221 

 174 

 15 



145 

 286 



332 

 3 

 304 

 203 

 182 

 142 

 95 

 136 

 295 

 185 

 118 

 213 



Northeast End Lightship 



I days beginning October 28, 1918. 

 Magnetic variation 8° west 



0.033 

 0.013 

 0.008 

 0.011 

 0.103 

 0.004 

 0.002 

 0.008 

 0.004 

 0.025 

 0.016 

 0.015 

 0.009 

 0.025 

 0.024 

 0.001 

 0.065 

 n. m^ 



174 



94 



99 



175 



305 



332 



268 



3 



171 



224 



19 



90 



90 



178 



210 



125 



193 



82 

 323 

 243 

 173 

 324 

 168 

 270 

 355 

 239 

 320 

 298 



93 

 164 

 164 

 327 

 359 

 125 

 1P3 



0.010 

 0.006 

 0.006 

 0.004 

 0.180 

 0.001 

 0.005 

 0.002 

 0.005 

 0.034 

 0.042 

 0.015 

 0.014 

 0.033 

 0.031 

 0.004 

 0.021 

 0.038 



117 

 346 

 309 

 122 

 319 

 339 



15 

 272 

 355 

 305 

 207 

 1.36 

 139 

 165 

 339 



14 

 105 

 2-^0 



191 

 135 



108 

 202 

 313 

 359 

 231 

 94 

 281 

 210 

 213 

 239 

 128 

 163 

 105 

 2'^n 



Winter-Quarter Shoal Lightship 



369 days beginning January 1, 1919. 

 Magnetic variation 7° west 



0.037 

 0.011 

 0.000 

 0.011 

 0.047 

 0.004 

 0.003 

 0.000 

 0.002 

 0.010 

 0.024 

 0.022 

 0.007 

 0.033 

 0.006 

 0.004 

 0.101 

 mn 



45 



246 

 198 

 215 

 100 



201 

 154 

 338 

 118 

 159 

 140 

 208 

 122 

 122 

 138 



120 

 230 



321 



348 



81 

 304 



53 

 193 

 234 

 215 

 358 

 272 

 122 

 138 



0.023 

 0.008 

 0.005 

 0. 003 

 0.046 

 0.002 

 0.004 

 0.001 

 0.002 

 0.014 

 0.023 

 0.007 

 0.007 

 0.019 

 0.005 

 0.004 

 0.019 

 n. rn^n 



101 

 64 

 256 

 226 

 283 

 263 

 137 

 105 

 280 

 243 

 66 

 85 

 302 

 218 

 345 

 247 

 254 

 949 



