109

Appendix III. 

Average seasonal cycle 

of monthly mean sea level

Note: Two seasonal cycles are shown with 95% confidence intervals. 
110
111

Table B. Average seasonal mean sea level cycle with standard errors (mm)

Station Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Mean

Adak Island 36.8 14.5 -39.7 -103.2 -79.8 -82.6 -95 -76.4 -46.9 -39.2 3.4 41.4 -38.9

12.3 12.2 12.3 12.3 12.2 12.1 12.1 12.1 12.1 12.1 12.1 12.1 12.2

Alameda 66.4 68.6 24.5 -24.8 -17.2 15.7 44.8 57.1 76.5 50.6 33.5 48.6 37

12.8 12.8 12.9 12.9 12.9 12.8 12.8 12.8 12.8 12.8 12.8 12.8 12.8

Anchorage 52.5 9.1 -39.9 -61.1 -70.8 -20.0 28.4 64.5 97.8 93.4 80.6 88.6 26.9

25.5 25.3 25.2 25.0 24.9 25.1 24.8 24.8 24.9 25.1 24.8 25.0 25.0

Annapolis -16.4 -10.0 40.3 101.0 141.7 168.1 162.0 181.9 200.0 160.3 88.9 3.6 101.8

8.3 8.3 8.3 8.3 8.3 8.3 8.3 8.3 8.3 8.3 8.3 8.3 8.3

Apalachicola-39.8 -20.4 33.8 49.4 65.1 74.2 83.3 114.8 164.6 112.7 54.4 -17.7 56.2

14.6 14.5 14.5 14.8 14.6 14.4 14.6 14.4 14.4 14.7 14.7 14.6 14.6

Astoria 116.4 106.6 44.9 -10.2 5.7 19.0 -71.3 -115.7 -105.9 -63.0 40.6 117.7 7.1

14.1 14.1 14.1 14.1 14.1 14.0 14.0 14.0 14.0 14.0 14.0 14.0 14

Atlantic City 50.2 60.1 79.7 107.7 132.3 154.3 148.6 181.7 206.5 191.9 134.6 70.2 126.5

8.3 8.2 8.2 8.2 8.2 8.2 8.2 8.2 8.1 8.1 8.1 8.1 8.2

Baltimore -39.8 -34.5 17.9 86.4 138.0 170.3 166.0 183.2 195.2 151.6 69.7 -13.9 90.8

7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1

Bar Harbor 31.1 30.0 36.3 54.2 60.1 71.7 63.1 58.0 51.2 57.4 68.3 42.9 52.0

7.6 7.6 7.6 7.6 7.6 7.6 7.5 7.6 7.5 7.5 7.5 7.5 7.6

Beaufort 42.3 55.2 65.1 78.0 117.9 125.7 111.5 145.9 208.3 213.0 142.0 75.3 115.0

14.7 14.8 14.8 14.7 14.7 14.7 14.6 14.6 14.6 14.5 14.5 14.5 14.7

Bermuda 11.4 1.4 0.6 -3.0 -0.7 29.8 60.3 88.7 113.7 130.4 100.4 54.9 49.0

14.7 14.6 14.7 14.8 14.9 14.6 14.8 14.6 14.6 14.7 14.8 14.8 14.7

Boston 26.8 32.9 47.5 70.1 81.3 94.9 81.1 81.7 82.9 88.8 84.6 46.2 68.2

6.9 6.9 6.9 6.9 6.9 6.9 6.9 6.9 6.9 6.9 6.9 6.9 6.9

Bridgeport -11.5 12.6 27.2 72.9 97.1 109.7 109.9 121.0 129.1 110.9 76.4 27.2 73.5

11.7 11.8 11.8 11.8 11.7 11.7 11.7 11.7 11.7 11.7 11.6 11.6 11.7

Cambridge -6.6 9.4 38.4 83.2 122.7 145.1 141.1 163.7 183.4 151.6 99.2 15.0 95.5

11.1 11.1 11.1 11.1 10.8 10.8 10.9 10.9 10.9 10.8 10.9 10.9 11.0

Cape May 29.8 47.1 59.4 96.7 112.5 120.9 116.5 147.0 178.8 156.5 109.3 58.8 102.8

14.3 14.3 14.3 14.3 14.2 14.2 14.1 14.1 14.1 14.0 14.0 14.0 14.2

Cedar Key -51.8 -51.5 -4.4 35.0 81.1 112.2 129.8 149.0 165.4 121.0 61.5 -11.4 61.3

7.6 7.6 7.7 7.7 7.6 7.6 7.6 7.6 7.5 7.5 7.6 7.5 7.6

Charleston,

OR

136.0 133.6 74.9 -31.7 -60.9 -64.1 -50.5 -23.1 6.0 21.5 99.2 125.4 30.5

19.3 19.4 19.6 19.4 19.7 19.6 19.6 19.5 19.4 19.2 19.1 19.1 19.4

Charleston,

SC

12.6 23.1 29.3 55.5 107.1 115.7 64.9 117.2 227.7 251.3 150.1 59.2 101.1

9.3 9.3 9.3 9.3 9.3 9.3 9.3 9.2 9.2 9.2 9.2 9.2 9.3

Charlotte

Amalie

-16.5 -30.0 -31.1 -15.5 -17.0 -3.2 30.3 47.8 83.1 93.5 58.8 9.6 17.5

11.9 12.0 11.9 11.9 11.8 11.8 11.8 11.7 11.8 11.8 11.8 11.8 11.8

Cherry Point 119.1 126.8 73.5 -9.2 -20.3 1.3 19.0 30.4 25.8 25.8 103.7 110.1 50.5

19.2 19.1 19.1 19.1 19.0 19.0 18.9 18.9 18.8 18.8 18.8 19.0 19.0

Chesapeake

Bay Br Tnl

88.8 120.9 128.9 156.5 174.1 167.9 153.7 200.8 249.2 236.9 172.2 116.6 163.9

18.2 18.2 18.1 18.2 18.1 18.0 18.0 17.9 17.9 17.9 17.8 17.8 18.0

Chuuk -42.4 5.3 45.3 59.4 44.6 22.9 8.7 4.3 10.2 21.8 -0.8 -44.1 11.3

29.9 29.9 29.8 29.7 29.7 29.6 29.7 29.7 29.8 29.8 29.9 29.9 29.8

Clearwater

Beach

-18.8 -17.5 4.4 38.5 87.8 104.4 108.8 128.9 177.7 143.3 102.6 12.6 72.7

13.7 13.8 13.7 14.2 14.1 13.9 14.1 13.7 13.6 13.6 13.5 13.5 13.8
Table B. Average seasonal mean sea level cycle with standard errors (mm)

Station Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Mean

112

Colonial

Beach

20.4 36.7 83.1 129.5 180.5 187.1 177.1 210.0 238.3 185.1 108.3 41.4 133.1

16.7 16.9 16.7 16.6 16.3 16.3 16.3 16.4 16.2 16.1 16.1 16.3 16.4

Cordova 211.5 190.0 122.6 66.8 33.8 40.7 50.8 108.6 174.4 267.5 267.5 248.9 148.6

17.6 17.7 17.7 17.7 17.6 17.6 17.6 17.6 17.5 17.5 17.5 17.5 17.6

Crescent

City

78.7 63.6 -4.9 -87.8 -92.0 -81.2 -43.0 -15.0 10.0 1.2 34.7 74.9 -5.1

11.5 11.5 11.5 11.6 11.6 11.6 11.6 11.6 11.6 11.5 11.5 11.5 11.6

Dauphin

Island

-15.4 -13.9 35.2 81.6 105.0 98.4 76.2 122.5 202.2 164.8 100.8 20.8 81.5

15.1 15.1 15.1 15.2 15.3 15.2 15.1 15.1 15.3 15.3 15.2 15.3 15.2

Eastport 21.4 18.6 26.5 32.1 36.4 41.8 33.9 20.3 17.5 32.1 48.9 34.2 30.3

7.2 7.3 7.3 7.2 7.1 7.1 7.1 7.2 7.2 7.1 7.1 7.1 7.2

Eugene

Island

196.5 220.9 275.1 345.3 376.4 369.6 310.1 341.3 432.4 390.8 295.8 225.7 315.0

29.7 29.8 29.8 29.8 29.8 29.9 29.8 29.9 29.9 29.9 29.8 29.7 29.8

Fernandina

Beach

-19.7 -19.6 -14.0 16.2 63.3 65.3 -5.0 47.4 220.7 277.4 149.5 31.4 67.8

9.9 10.0 9.9 9.8 9.8 9.8 9.9 9.9 9.9 9.9 9.9 9.9 9.9

Fort Myers -22.7 -21.9 10.9 33.9 68.0 106.8 114.5 144.9 173.0 135.8 77.8 6.4 69.0

12.3 12.2 12.3 12.2 12.2 12.2 12.2 12.2 12.1 12.1 12.0 12.1 12.2

Fort Pulaski 4.5 6.0 16.3 51.4 110.3 113.7 49.7 113.5 241.6 269.7 152.0 52.2 98.4

10.7 10.8 10.8 10.7 10.7 10.7 10.7 10.7 10.7 10.7 10.6 10.6 10.7

Freeport -55.9 -50.7 -20.5 51.3 90.2 55.9 -22.2 27.3 189.6 176.1 87 -19.9 42.3

15.9 15.9 15.9 15.7 15.7 15.7 15.6 15.6 15.6 15.5 15.5 15.4 15.7

Friday

Harbor

138.7 122.9 69.9 -2.3 -20.9 -8.8 1.3 8.7 12.4 27.6 94.3 141.2 48.8

10.6 10.6 10.6 10.6 10.6 10.6 10.6 10.6 10.6 10.6 10.6 10.5 10.6

Galveston

Pier 21

-90.4 -78.6 -37.5 30.6 75.5 47.6 -32.1 5.7 158.2 142.4 38.9 -47.9 17.7

11.1 11.1 11.1 11.1 11.1 11.1 11.1 11.1 11.1 11.1 11.0 11.0 11.1

Galveston

Pleasure

Pier

-90.2 -76.4 -37.4 39.6 80.2 43.6 -24.5 25.8 179.1 158.5 59.8 -36.2 26.8

16.8 16.9 17.0 16.9 16.9 16.9 16.9 16.9 16.9 16.8 16.7 16.7 16.9

Gloucester

Point

28.7 46.4 84.0 104.8 136.6 136.5 113.8 162.6 213.3 198.5 121.4 49.3 116.3

11.6 11.6 11.6 11.6 11.6 11.5 11.6 11.6 11.6 11.5 11.5 11.5 11.6

Grand Isle 56.8 66.1 103.7 148.6 186.8 181.3 148.2 193.5 292.6 251.7 168.3 89.6 157.3

13.1 13.1 13.1 13.2 13.2 13.1 13.1 13.0 13.0 12.9 12.9 12.9 13.1

Guam -53.1 -18.0 11.9 33.9 39.0 61.1 78.3 65.1 37.7 0.5 -38.1 -58.8 13.3

27.3 27.3 27.4 27.4 27.4 27.4 27.4 27.4 27.4 27.3 27.3 27.3 27.4

Guantanamo

Bay, Cuba

764.7 759.5 769.4 773.3 793.1 801.4 814.0 847.2 886.6 891.9 849.2 795.6 812.2

19.4 19.4 19.5 19.5 19.5 19.5 19.5 19.4 19.4 19.4 19.3 19.3 19.4

Hilo 61.5 43.7 40.0 30.5 18.3 25.6 62.7 105.6 116.6 110.5 95.6 68.2 64.9

9.3 9.3 9.3 9.3 9.3 9.3 9.3 9.3 9.3 9.3 9.3 9.2 9.3

Honolulu 38.7 30.1 22.3 11.3 11.0 21.4 50.6 78.7 96.0 91.2 74.7 52.9 48.2

8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6

Johnston

Atoll

37.6 1.8 -22.9 -31.2 -43.4 -33.9 20.6 63.5 78.2 83.9 67.5 48.3 22.5

13.0 13.0 13.2 13.1 13.1 13.1 13.1 13.1 13.1 13.1 13.1 13.1 13.1

Juneau 3.7 -20.6 -61.4 -94.3 -99.9 -51.4 -51.6 -37.7 -13.7 71.2 81.3 72 -16.9

13.2 13.2 13.2 13.2 13.2 13.2 13.2 13.1 13.1 13.1 13.1 13.1 13.2

Kahului 52.4 42.7 31.7 18.1 7.7 28.5 53.9 84.8 110.0 98.3 81.4 53.3 55.2

12.4 12.4 12.4 12.4 12.4 12.4 12.4 12.4 12.4 12.4 12.4 12.4 12.4
Table B. Average seasonal mean sea level cycle with standard errors (mm)

Station Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Mean

113

Ketchikan 75.9 48.8 -13.4 -61.7 -91.2 -73.9 -89.3 -88.2 -50.5 58.7 115.5 120.7 -4.1

10.9 10.9 10.8 10.8 10.8 10.8 10.9 10.9 10.9 10.8 10.8 10.8 10.8

Key West 17.4 2.4 9.4 29.4 57.3 62.3 66.5 105.8 167.3 203.4 150.5 62.1 77.8

6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.3 6.3 6.3 6.3 6.3 6.4

Kiptopeke 41.3 54.9 80.6 95.4 121.3 129.3 114.2 155.3 205.1 196.8 133.2 61.1 115.7

11.1 11.1 11.1 11.1 11.2 11.2 11.2 11.2 11.2 11.0 11.0 11.0 11.1

Kodiak

Island

7.0 -23.2 -75.1 -98.7 -135.9 -119.7 -120.0 -81.7 -35.6 -8.4 10.2 7.8 -56.1

20.3 20.3 20.3 20.2 20.2 20.1 20.1 20.0 20.0 19.9 19.9 20.0 20.1

Kwajalein -38.1 9.4 46.1 52.1 44.7 31.7 35.0 30.0 31.1 32.6 -2.2 -31.6 20.1

16.3 16.3 16.3 16.3 16.3 16.3 16.3 16.2 16.2 16.2 16.2 16.2 16.3

La Jolla 70.5 47.1 19.3 7.1 28.8 67.2 117.9 146.9 161.5 132.6 109.1 95.0 83.6

8.5 8.5 8.5 8.5 8.5 8.5 8.4 8.4 8.4 8.4 8.4 8.4 8.5

Lewes 15.4 36.3 53.6 80.8 106.4 114.8 103.8 133.2 167.5 157.1 103.9 40.1 92.7

9.9 9.9 9.9 9.9 9.9 9.8 9.8 9.8 9.8 9.8 9.8 9.8 9.8

Lewisetta 9.4 33.1 58.6 102.0 143.6 145.5 144.9 179.1 208.4 165.6 97.6 37.3 110.4

16.7 16.7 16.7 16.7 16.6 16.8 16.6 16.5 16.5 16.5 16.4 16.4 16.6

Los Angeles 29.9 11.8 -20.7 -38.1 -14.4 24.7 72.9 95.5 112.4 88.0 61.6 49.4 39.4

8.0 8.0 8.1 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0

Magueyes

Island

-4.1 -12.8 -12.5 -9.4 -1.6 14.4 52.0 76.2 95.3 107.9 81.8 26.7 34.5

7.4 7.4 7.4 7.4 7.4 7.3 7.3 7.3 7.3 7.3 7.3 7.3 7.4

Mayport -1.5 -6.9 -12.0 7.9 48.4 54.8 -1.6 64.0 219.1 284.2 165.7 56.3 73.2

10.7 10.7 10.7 10.7 10.7 10.7 10.6 10.6 10.6 10.6 10.6 10.6 10.7

Miami

Beach

19.0 6.6 1.1 16.5 54.6 50.3 30.5 69.1 156.4 238.1 173.2 68.0 73.6

12.2 12.2 12.1 12.1 12.1 12.1 12.3 12.4 12.4 12.3 12.3 12.2 12.2

Mokuoloe 39.8 31.9 23.0 2.5 -6.2 14.3 43.4 74.0 91.2 86.1 77.5 52.4 44.2

13.1 13.2 13.2 13.2 13.2 13.2 13.2 13.2 13.1 13.1 13.1 13.1 13.2

Montauk 26.8 30.5 46.2 65.1 82.8 100.9 106.8 116.0 124.6 119.3 96.8 44.0 80.0

8.8 8.6 8.8 8.8 8.7 8.7 8.6 8.6 8.5 8.5 8.5 8.6 8.7

Monterey 88.3 75.9 41.0 -3.5 9.2 38.2 83.6 105.2 132.3 108.3 89.5 81.9 70.8

18.3 18.4 18.4 18.4 18.4 18.3 18.3 18.3 18.3 18.2 18.2 18.2 18.3

Nantucket

Island

55.8 58.4 49.6 70.1 76.5 95.8 101.3 103.4 117.0 119.8 114.6 89.6 87.7

9.5 9.5 9.5 9.5 9.5 9.5 9.5 9.4 9.4 9.4 9.5 9.4 9.5

Naples -28.6 -33.9 -9.3 13.8 49.6 73.0 75.2 106.5 154.0 145.9 90.6 12.9 54.1

11.3 11.3 11.3 11.2 11.2 11.3 11.2 11.1 11.3 11.3 11.3 11.3 11.3

Nawiliwili 38.1 25.3 15.3 1.8 -3.2 3.2 44.8 72.8 95.6 89.7 69.1 52.8 42.1

11.7 11.7 11.7 11.7 11.7 11.7 11.6 11.6 11.6 11.6 11.6 11.6 11.6

Neah Bay 82.1 63.9 5.1 -87.6 -137.1 -149.4 -156.4 -134.0 -106.9 -48.6 48.2 93.0 -44.0

12.4 12.5 12.5 12.4 12.3 12.3 12.3 12.2 12.2 12.2 12.2 12.2 12.3

New

London

-1.4 4.5 32.7 59.6 76.7 95.5 94.1 103.9 105.1 101.3 78.2 20.2 64.2

7.9 7.9 7.9 7.8 7.8 7.9 7.8 7.8 7.8 7.8 7.8 7.8 7.8

New

Rochelle

-83.6 -69 -11 2.5 28.3 48.5 44.7 64.5 77.6 55.9 21.4 -47.4 11

29.1 29.2 29 28.8 28.4 28.1 28.1 28.3 28.5 28.5 28.4 28.6 28.6

Newport 20.7 21.0 36.4 52.9 74.0 104.0 109.8 116.4 120.6 116.4 94.9 41 75.7

6.5 6.5 6.5 6.6 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5 6.5

Newport

Beach

73.2 55.1 21.4 9.5 28.5 64.2 114.8 137.9 158.3 129.0 102.4 85.0 81.6

15.5 15.5 15.5 15.5 15.5 15.5 15.5 15.6 15.5 15.5 15.5 15.4 15.5
Table B. Average seasonal mean sea level cycle with standard errors (mm)

Station Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Mean

114

Nikiski 36.4 60.3 -63.1 -130.4 -121.3 -108.7 -109.5 -47.7 27.1 36.7 69.8 45.0 -25.5

38.9 41.7 38.9 38.9 39.0 37.3 36.8 38.9 38.7 35.8 35.8 35.8 38.1

Padre Island 54.8 34.9 53.5 89.1 117.5 81.2 22.1 68.5 218.5 240.6 180.2 93.4 104.5

17.8 18.0 18.3 18.1 18.1 18.1 18.0 17.9 18.0 17.8 17.6 17.5 17.9

Pago Pago 24.2 27.8 33.5 42.5 34.4 37.9 48.5 46.3 49.2 41.9 36.2 32.2 37.9

17.3 17.4 17.4 17.4 17.4 17.4 17.4 17.4 17.4 17.4 17.3 17.3 17.4

Panama City -69.6 -60.6 -19.6 11.8 51.4 63.0 72.8 110.6 170.6 123.1 65.4 -28.7 40.9

13.7 13.8 13.7 13.7 13.6 13.5 13.3 13.2 13.1 13.2 13.4 13.5 13.5

Pensacola -43.9 -33.6 10.2 51.3 82.6 94.4 87.4 130.6 193.2 155.4 74 -2.5 66.6

8.8 8.8 8.8 8.9 8.8 8.8 8.8 8.8 8.8 8.7 8.7 8.7 8.8

Philadelphia -19.2 -21.9 78.3 142.2 148.7 149.4 130.5 141.9 148.6 119.8 59.8 -0.9 89.8

10.1 10.0 10.0 10.0 10.0 10.0 10.0 10.0 9.9 10.0 9.9 9.9 10.0

Point Reyes 114.0 106.4 58.7 -16.8 -3.7 27.5 82.6 108.2 137.0 108.9 94.6 99.2 76.4

21.1 21.2 21.2 21.2 21.1 21.1 21.1 21.0 21.0 20.9 20.9 20.9 21.1

Port Angeles 155.7 164.1 99.2 12.8 -21.2 -30.7 -25.6 -5.7 5.9 33.7 126.3 137.3 54.3

20.9 21.0 21.0 21.0 20.9 20.9 20.9 20.9 20.8 20.7 20.7 20.6 20.9

Port Isabel 49.5 46.4 73.3 109.5 126.8 86.2 26.2 79.5 228.7 255.1 175.5 86 111.9

11.7 11.7 11.7 11.7 11.8 11.8 11.7 11.7 11.7 11.7 11.7 11.7 11.7

Port

Jefferson

-9.0 12.4 44.3 65.1 83.3 108.1 105.3 120.4 132.0 119.6 84.4 20.3 73.9

13.3 13.3 13.2 13.2 13.2 13.2 13.1 13.1 13.0 13.2 13.2 13.2 13.2

Port

Mansfield

-24.0 -22.9 29.0 126.4 175.6 123.8 21.7 43.1 185.8 212.2 136.8 32.6 86.7

20.3 20.2 20.0 19.9 19.9 19.9 19.8 19.7 19.9 20.0 20.1 20.2 20.0

Port San

Luis

43.9 23.5 -17.1 -44.1 -24.4 14.4 60.0 79.8 102.9 80.5 58.5 51.1 35.8

11.3 11.3 11.3 11.3 11.4 11.3 11.3 11.4 11.3 11.3 11.3 11.2 11.3

Port

Townsend

176.1 182.4 132.9 44.7 15.9 15.5 21.3 30.9 35.5 49.8 140.3 162.8 84.0

18.7 18.7 18.7 18.7 18.7 18.6 18.6 18.5 18.5 18.5 18.5 18.4 18.6

Portland 6.3 10.9 22.3 51.4 63.6 76.0 66.3 60.9 55.0 57.5 55.9 22.9 45.8

6.6 6.6 6.6 6.6 6.6 6.6 6.6 6.6 6.6 6.6 6.6 6.6 6.6

Portsmouth 44.1 57.2 84.0 91.6 116.3 123.3 98.6 140.2 213.4 215.6 140.6 50.3 114.6

12.6 12.6 12.6 12.7 12.7 12.7 12.7 12.7 12.7 12.6 12.6 12.6 12.7

Providence -14.7 -5.7 16.6 45.8 66.4 93.4 98.5 98.2 94.7 88.9 64.9 11.3 54.9

7.7 7.8 7.8 7.8 7.8 7.8 7.8 7.8 7.8 7.7 7.7 7.7 7.8

Rincon

Island

89.3 73.3 34.8 24.2 45.8 81.6 126.0 148.7 170.6 144.0 122.6 105.4 97.2

22.5 22.5 22.4 22.4 22.3 22.3 22.3 22.3 22.2 22.1 22.2 22.3 22.3

Rockport 13.7 17.1 65.9 144.0 192.1 148.1 62.5 89.2 241.4 256.5 151.8 56.8 119.9

15.2 15.2 15.2 15.2 15.1 15.1 15.0 15.1 15.1 15.0 15.0 15.0 15.1

Sabine Pass -74.1 -63.1 -12.2 53.9 88.6 66.1 -11.0 21.4 158.3 129.3 35.2 -41.9 29.2

21.5 21.6 21.6 21.7 21.8 21.8 21.8 22.0 21.9 22.0 21.6 21.4 21.7

San Diego 64.7 42.7 15.6 1.0 21.5 62.5 113.4 134.0 153.6 127.6 100.3 87.3 77.0

7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.1 7.0 7.1

San

Francisco

70.3 66.6 26.7 -14.7 -1.7 24.4 59.9 71.9 84.2 61.0 44.0 59.2 46.0

8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8 8.0

San

Francisco

(With EQ)

97.4 93.7 53.8 12.3 25.6 51.6 87.1 99 111.3 88.1 71 86.2 73.1

8.7 8.7 8.7 8.7 8.7 8.7 8.7 8.7 8.7 8.7 8.7 8.7 8.7
Table B. Average seasonal mean sea level cycle with standard errors (mm)

Station Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Mean

115

San Juan 26.2 19.1 17.5 24.4 24.1 34.7 65.3 87.1 118.3 136.6 102.5 44.4 58.4

9.3 9.3 9.3 9.3 9.2 9.3 9.3 9.4 9.3 9.3 9.3 9.2 9.3

Sand Island 50.3 36.0 -12.9 -57.1 -51.2 -39.0 -20.7 34.8 59.9 41.0 31.7 33.8 8.9

12.5 12.5 12.3 12.3 12.5 12.5 12.4 12.4 12.3 12.2 12.3 12.3 12.4

Sand Point 84.5 26.6 -49.0 -124.8 -146.6 -151.3 -168.5 -139.5 -46.7 19.0 58.7 91.8 -45.5

22.5 22.5 22.7 22.5 22.4 22.4 22.3 22.3 22.4 22.4 22.3 22.2 22.4

Sandy Hook 23.3 32.8 71.7 111.9 132.7 150.4 144.2 160.8 175.9 158.9 114.9 44.4 110.2

8.8 8.8 8.7 8.7 8.7 8.7 8.7 8.7 8.7 8.7 8.7 8.7 8.7

Santa

Barbara

74.3 56.6 26.8 -20.8 15.3 50.5 84.1 112.1 136.0 117.4 86.7 79.8 68.2

18 18.2 18.3 18.4 18.4 18.4 18.4 18.4 18.4 18.4 18.3 18.2 18.3

Santa

Monica

40.9 23.2 -1.6 -22.4 -1.5 40.1 88.4 110.9 133.1 96.7 66.7 52.4 52.2

11.0 11.0 11.0 11.1 11.0 11.1 11.1 11.0 11.0 10.9 10.9 10.9 11.0

Seattle 161.0 144.9 92.4 31.0 12.7 16.6 15.2 16.9 20.5 39.5 106.9 153.3 67.6

8.1 8.2 8.2 8.1 8.1 8.1 8.1 8.1 8.1 8.1 8.1 8.1 8.1

Seavey

Island

26.6 30.8 58.7 79.3 83.3 92.7 75.2 72.9 65.4 69.8 74.4 38.6 64

9.6 9.6 9.6 9.6 9.5 9.5 9.6 9.6 9.6 9.6 9.6 9.6 9.6

Seldovia 26.9 12.5 -56.1 -96.5 -127.9 -128.6 -142.6 -78.3 4.2 76.1 81.8 74.2 -29.5

21.9 22.0 22.1 22.0 22.0 21.9 21.9 21.9 21.8 21.8 21.8 21.7 21.9

Seward 10.6 -9.3 -79.5 -133.3 -155.1 -146.8 -135.6 -85.8 -15.3 86.3 78.8 71.9 -42.8

16.4 16.4 16.4 16.3 16.3 16.2 16.4 16.4 16.2 16.3 16.1 16.1 16.3

Sewells

Point

60.6 76.5 101.7 123.9 145.3 152.6 126.9 172.4 234.8 224.7 148.6 73.1 136.8

9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.9 9.8 9.9 9.8 9.9

Sitka 17.8 -12.1 -69.3 -119.6 -163.5 -164.9 -176.9 -153.5 -100.5 3.5 46.4 57.2 -69.6

11.2 11.2 11.2 11.3 11.3 11.2 11.2 11.2 11.1 11.1 11.1 11.1 11.2

Skagway -50.6 -71.8 -102.4 -115.0 -94.1 -13.2 12.0 19.9 33.6 86.7 48.7 26.8 -18.3

19.5 19.5 19.5 19.4 19.6 19.5 19.5 19.7 19.7 19.8 19.6 19.6 19.6

Solomons

Island

-15.1 -4.5 40.9 85.1 126.3 143.5 135.4 164.1 192.8 156.8 88.0 1.6 92.9

9.1 9.1 9.2 9.1 9.1 9.0 9.0 9.0 9.1 9.0 9.0 9.0 9.1

South Beach 206.4 201.7 136.3 25.9 -19.3 -29.1 -26.2 5.4 39.7 62.4 153.3 198.3 79.6

18.5 18.5 18.5 18.5 18.4 18.4 18.4 18.3 18.3 18.3 18.2 18.2 18.4

Springmaid

Pier

9.2 17.0 26.6 55.5 113.9 128.2 95.5 142.9 238.1 254.7 173.5 74.8 110.8

16.0 16.0 15.9 15.9 15.8 15.8 15.7 15.8 15.9 16.0 16.0 16.2 15.9

St.

Petersburg

-12.5 -16.2 14.0 39.8 82.9 114.3 119.8 146.2 182.1 149.6 96.6 24.0 78.4

7.9 8.0 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9

The Battery -10.2 -10.8 27.7 82.9 107.6 120.9 117.2 134.3 139.7 123.6 74.9 14.9 76.9

6.3 6.3 6.3 6.3 6.3 6.3 6.3 6.3 6.3 6.3 6.3 6.3 6.3

Toke Point 196.2 195.1 112.7 -7.1 -63.5 -92.1 -119.1 -98.9 -44.4 15.5 153.7 182.5 35.9

22.9 23.0 23.1 22.9 22.9 22.9 22.8 22.7 22.8 22.7 22.7 22.7 22.8

Unalaska 35.3 21.7 -57.1 -103.8 -82.7 -89.8 -111.8 -100.1 -49.6 -21.1 15.3 50.1 -41.1

14.8 14.8 14.8 14.6 14.6 14.6 14.5 14.7 14.6 14.8 14.6 14.7 14.7

Vaca Key 41.8 21.4 29.9 28.8 59.0 67.1 69.2 104.1 174.1 207.8 176.8 84.0 88.7

10.5 10.6 10.6 10.4 10.4 10.3 10.3 10.3 10.3 10.2 10.4 10.3 10.4

Valdez 89.3 62.8 -5.6 -54.3 -72.7 -38.4 -31.6 9.6 76.5 146.2 133.7 115.2 35.9

22.2 22.3 22.2 22.3 22.2 22.1 22.1 22.0 21.9 21.8 21.8 21.8 22.1

Wake Island 30.3 38.0 39.9 43.8 15.7 34.4 81.3 106.1 110.9 98.7 79.4 52.3 60.9

14.1 14.2 14.2 14.4 14.3 14.2 14.0 14.1 14 14 14 13.9 14.1
Table B. Average seasonal mean sea level cycle with standard errors (mm)

Station Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Mean

116

Washington -12.0 3.8 76.0 118.2 148.9 150.8 129.4 153.9 178.9 139.6 63.4 -15.2 94.6

12.1 12.1 12.1 12.1 12.1 12.1 12.1 12.1 12.1 12.1 12.1 12.1 12.1

Willets

Point

-12.9 -4.6 30.4 66.8 88.3 107.3 105.5 120.7 130.7 113.8 73.3 3.7 68.6

8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6 8.6

Wilmington 11.4 40.3 64.3 62.8 69.9 78.2 65.9 87.1 146.0 141.0 73.4 9.4 70.8

12.2 12.3 12.3 12.3 12.3 12.3 12.3 12.3 12.2 12.2 12.3 12.2 12.3

Woods Hole 16.4 12.2 22.4 45.7 62.4 91.7 96.3 99.5 105.1 105.6 87.9 35.5 65.1

6.9 7.0 7.0 7.1 7.1 7.0 7.0 7.0 7.0 7.0 6.9 6.9 7.0

Yakutat -1.8 -31.0 -90.5 -141.1 -183.9 -177.2 -178.7 -143.4 -77.9 30.7 47.2 46.7 -75.1

13.4 13.5 13.5 13.5 13.5 13.5 13.5 13.5 13.4 13.3 13.3 13.3 13.4
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146