Date (YYYYMMDD) Sample Site ID Sample Distance (cm) Beginning Weight (g) Total Weight (g) Snow Weight (g) Water Volume (mL) Snow Depth (cm) Core Diameter (cm) Comments 20170316 A-B 10 -999 -999 -999 141 16 -999 Test taken with Kelly cutter 20170316 A-B 20 -999 -999 -999 135 16 -999 "Comparison sample taken with Kelly cutter. Liquid water difference of 6 ml, deemed inaccurate way of sampling." 20170317 A-B 30 -999 -999 -999 391.5 16 10.3 PVC pipe test- much more effective at containing snow 20170329 A-B 55 358.6 869.6 511 -999 17.5 10.3 First successful sample 20170407 A-B 75 594.6 1113.2 518.6 522.5 19 10.3 20170428 B-C 20 594.3 1260.8 666.5 660 24 10.3 20170515 B-C 45 594.6 1329.4 734.8 750 27 10.3 20170522 C-D 40 582.3 1562.7 980.4 1000 34.5 10.3 20170529 C-D 65 549.5 1606.4 1056.9 1070 38 10.3 20170605 C-D 85 581 1644.7 1063.7 1050 38 10.3 20170608 E-F 14 493.9 691.6 197.7 200 8.5 7.7 Initial sample at 2nd plywood site 20170612 C-D 105 494.4 1470.1 975.7 990 34 10.3 "Wind event on 20170610 scoured snow from surface, lowering snow height." 20170620 D-A 35 493.9 1481 987.1 1000 35 10.3 Tie point sample to 2nd plywood site 20170620 E-F 33 282.5 433.8 151.3 150 8 7.7 Tie point sample to 1st plywood site 20170627 E-F 50 282.6 446.6 164 165 8 7.7 20170704 E-F 67 282.6 476.6 194 195 9.5 7.7 "Fresh snow drift over sample site, may be influenced by flags surrounding plywood." 20170711 F-G 18 282.6 429.9 147.3 150 8 7.7 20170718 F-G 33 282.6 439.4 156.8 160 9 7.7 20170728 G-H 32 282.6 440.5 157.9 160 8 7.7 Turnover sample. 20170808 G-H 55 282.5 425.4 142.9 145 8.5 7.7 20170808 A-B 10 494.1 657.5 163.4 160 8.5 7.7 Initial sample at AD plywood site. 20170815 G-H 67 282.9 439.4 156.5 160 10 7.7 20170822 G-H 80 282.7 551.2 268.5 270 11 7.7 Tie point sample to AD plywood site. Sample taken during 22kn winds with considerable blowing snow. 20170822 A-B 10 494.2 749.7 255.5 250 14 7.7 Tie point sample to EH plywood site. Sample taken during 22kn winds with considerable blowing snow. 20170829 A-B 36 282.9 595.3 312.4 320 20 7.7 20170905 A-B 54 282.9 629.9 347 350 22 7.7 "Sample taken during 20 kt wind, SN, BLSN" 20170913 A-B 82 282.9 656.2 373.3 370 27 7.7 20170920 A-B 111 282.8 817.6 534.8 530 36 7.7 20170927 B-C 17 282.8 749.9 467.1 470 39 7.7 20171004 B-C 46 283 796.9 513.9 510 39 7.7 20171011 C-D 27 282.9 789.3 506.4 510 39 7.7 20171025 C-D 55 494.6 1067 572.4 565 41 7.7 "Sample taken during 20 kt wind, -SN, DRSN" 20171102 C-D 85 494.8 1169.5 674.7 650 50.5 7.7 20171109 C-D 103 494.8 1351.6 856.8 842 54 7.7 20171115 D-A 17 494.9 1347.7 852.8 835 53 7.7 20171122 D-A 42 494.4 1235 740.6 730 58 7.7 20171122 E-F 13 51.6 186 134.4 136 11 7.7 Initial sample at E-H plywood site. 20171129 E-F 43 283.1 483.1 200 202 14 7.7 "SN, snowing consistently for the last 3 days. " 20171205 E-F 59 283.1 480.6 197.5 199 14.5 7.7 20171213 F-G 14 283.4 504.4 221 215 18 7.7 20171220 F-G 34 284.1 499.9 215.8 221 19 7.7 20171226 G-H 31 283 532.5 249.5 252 21 7.7 20180102 G-H 43 282.9 522.9 240 245 21.5 7.7 20180109 G-H 68 289.2 498.7 209.5 223 22 7.7 20180118 H-E 15 494.8 849.1 354.3 355 27.5 7.7 20180118 A-B 10 282.9 534.1 251.2 256 21 7.7 Initial sample at AD plywood site. 20180122 A-B 22 283 567 284 283 22 7.7 20180130 A-B 46 282.9 570.2 287.3 286 24 7.7 20180207 A-B 19 283 682.7 399.7 406 29 7.7 20180218 B-C 32 282.8 653.1 370.3 372 27.5 7.7 20180223 B-C 48 282.8 627.3 344.5 348 27 7.7 20180227 B-C 59 282.8 715.2 432.4 429 31.5 7.7 20180306 B-C 72 282.8 729.1 446.3 449 31.5 7.7 20180313 B-C 85 282.6 733.2 450.6 448 31.5 7.7 20180320 B-C 95 282.6 744.6 462 470 31.5 7.7 20180327 C-D 10 355.8 955.6 599.8 615 40 7.7 20180403 C-D 24 594.3 1180.6 586.3 589 38.5 7.7 20180410 C-D 40 595.8 1184.2 588.4 593 40 7.7 20180417 D-A 8 594.9 1210 615.1 621 42 7.7 20180424 D-A 23 594.8 1220.9 626.1 629 41 7.7 20180501 D-A 50 594.7 1189.1 594.4 595 39.5 7.7 20180508 D-A 65 595.4 1230.6 635.2 640 41.5 7.7 20180515 D-A 80 595.3 1262.6 667.3 680 45 7.7 EFGH site established. Plywood board buried beneath 10 cm of snow. No initial sample taken per PI. 20180522 D-A 92 594.8 1303.7 708.9 740 48 7.7 Tie point sample to EFGH plywood site. 20180522 E-F 15 355.9 558.5 202.6 210 14.5 7.7 Tie point sample to ABCD plywood site. 20180529 E-F 27 355.8 562.4 206.6 210 13 7.7 20180606 E-F 40 282.6 504.7 222.1 225 16 7.7 20180612 E-F 63 282.7 496.7 214 219 14.5 7.7 20180619 E-F 74.5 282.8 526.6 243.8 248 16 7.7 20180626 F-G 23 282.5 556.1 273.6 271 20 7.7 ABCD site established. Plywood board buried beneath 10 cm of snow. 20180703 F-G 30 282.6 627.2 344.6 349 22.5 7.7 20180711 G-H 14 282.8 679.3 396.5 406 26 7.7 20180718 G-H 23 282.6 770.3 487.7 495 30.5 7.7 20180727 G-H 37 282.7 736.1 453.4 461 31.5 7.7 20180801 G-H 45 282.6 743.6 461 468 33 7.7 20180808 G-H 65 282.6 758.3 475.7 485 34 7.7 20180815 G-H 73 282.7 782.7 500 502 35.5 7.7 20180824 G-H 81 282.7 804.4 521.7 529 37.5 7.7 20180831 H-E 10 282.7 853 570.3 573 36.5 7.7 20180905 H-E 10 282.7 846.9 564.2 566 38 7.7 20180913 A-B 14 282.7 585.8 303.1 308 27 7.7 First sample from ABCD site 20180919 E-F 44 494.2 1066.8 572.6 577 42 7.7 "Tie-point sample from the EFGH board, taken from the center of the board" 20180919 A-B 27 282.6 618.5 335.9 338 29 7.7 Second sample from the ABCD site 20180926 A-B 42 282.7 636.4 353.7 357 31 7.7 20181004 A-B 60 282.6 647.9 365.3 369 29 7.7 20181010 A-B 70 282.4 636.5 354.1 356 30 7.7 20181017 A-B 90 282.5 671.9 389.4 393 32.5 7.7 20181024 A-B 137 493.9 883.3 389.4 394 33.5 7.7 20181031 B-C 64 282.5 809 526.5 532 39 7.7 20181107 C-D 35 282.4 842 559.6 566 41.5 7.7 20181114 C-D 52 282.4 853.3 570.9 575 43 7.7 20181121 C-D 72 282.5 880.8 598.3 602 42.5 7.7 Reburied plot E-H in new location. 20181128 C-D 91 282.4 955.3 672.9 678 48.5 7.7 20181205 C-D 110 494.2 1188.8 694.6 710 51 7.7 Tie-point sample from ABCD board 20181205 E-F 32 282.4 514.6 232.2 237 11.5 7.7 Tie-point sample from EFGH board 20181212 E-F 45 282.5 481.6 199.1 202 12.5 7.7 20181219 E-F 61 282.5 465.5 183 188 13.5 7.7 20181226 E-F 77 282.6 551 268.4 279 18 7.7 20190102 F-G 23 282.4 542 259.6 264 17 7.7 20190109 G-H 10 282.4 595.6 313.2 319 20 7.7 20190117 G-H 29 282.4 610.4 328 333 20.5 7.7 20190124 G-H 38 282.5 605.6 323.1 328 22.5 7.7 Buried plot A-D in new location 20190130 G_H 54 282.6 610.6 328 333 22 7.7 20190206 G-H 68 282.6 613.1 330.5 336 22 7.7 20190213 H-E 38 494.1 813.1 319 325 22 7.7 Tie-point sample from EFGH board 20190213 A-B 10 282.6 464.4 181.8 183 11.5 7.7 Tie-point sample from ABCD board 20190220 A-B 21 282.7 459.5 176.8 179 11 7.7 20190227 A-B 45 282.6 442.1 159.5 163 11 7.7 20190306 A-B 71 282.6 516.7 234.1 236 17 7.7 20190313 A-B 82 282.7 526.2 243.5 245 17.5 7.7 20190320 A-B 101 282.7 530.9 248.2 250 18 7.7 20190327 A-B 112 282.6 566.9 284.3 286 21.5 7.7 20190404 B-C 12 282.6 -999 -999 -999 20 7.7 "Sample delayed due to poor visibility, then lost entirely when the collection container cracked and the sample leaked out. Resampled 2019-04-06 and replaced the sampling container. " 20190406 B-C 12 285.1 603 317.9 319 21 7.7 20190410 C-D 17 285.2 615.6 330.4 332 22.5 7.7 20190418 C-D 28 285 640.3 355.3 358 23 7.7 20190424 C-D 53 285 638.7 353.7 354 23.5 7.7 20190501 C-D 76 285 664.4 379.4 381 25 7.7 20190508 C-D 82.5 494.2 943.8 449.6 454 33 7.7 20190515 C-D 94 494.4 933 438.6 442 31.5 7.7 20190522 C-D 126 494.6 914.2 419.6 424 32 7.7 Buried plot E-H in new location 20190529 D-A 27 494.5 844.7 350.2 350 29 7.7 20190605 D-A 52 494.4 870.4 376 378 28 7.7 Tie-point sample from ABCD board 20190605 E-F 10 285 412.2 127.2 128 9.5 7.7 Tie-point sample from EFGH board 20190612 E-F 29 285 406.8 121.8 123 10 7.7 20190619 E-F 48 285 428.9 143.9 144 11 7.7 20190627 E-F 62 285.1 455.2 170.1 171 15.5 7.7 20190703 E-F 75 285.1 438.4 153.3 154 12 7.7 20190710 E-F 87 285.1 449.9 164.8 162 12 7.7 20190717 E-F 101 285 437.2 152.2 151.5 13 7.7 20190724 E-F 116 285 440.7 155.7 156 14 7.7 20190731 F-G 22 285 488.7 203.7 202 15.5 7.7 20190807 F-G 35 285.1 472.2 187.1 188 18 7.7 20190814 F-G 50 285.1 471.6 186.5 187 20 7.7 20190822 F-G 72 358.3 581.3 223 224 21.5 7.7 20190829 G-H 20 358.2 493.2 135 136 20 7.7 20190905 G-H 41 358.3 705.8 347.5 351 25 7.7 20190912 G-H 60 358.3 715.6 357.3 364 28.5 7.7 20190919 G-H 81 359.1 754.7 395.6 403 29 7.7 20190926 G-H 99 358.2 766.2 408 414 33 7.7 20191003 H-E 9 358.5 780.5 422 427 32 7.7 20191009 H-E 30 358.6 780 421.4 431 32 7.7 20191016 - -999 -999 -999 -999 -999 -999 -999 SWD & HA buried new board in clean snow sector. Will take tie point sample in one week 20191024 H-E 42 358.5 788.1 429.6 434 36 7.7 Tie-point sample from EFGH board 20191024 A-B 15 593 806.5 213.5 199 13 7.7 Tie-point sample from ABCD board 20191030 A-B 46 359.8 541.5 181.7 188 15 7.7 20191107 A-B 57 359.7 563.7 204 205 17 7.7 20191113 A-B 64 358 584 226 226 21 7.7 20191121 A-B 88 357.7 620.1 262.4 263 20.5 7.7 20191127 A-B 103 358.2 678.3 320.1 282 23 7.7 20191202 - -999 -999 -999 -999 -999 -999 -999 Unplanned power outages occurred on 2019-12-02 at 1935-1943 and 1944-1947Z. Power to SnowFox was disconnected from 1936-1955Z. 20191204 B-C 25 358.2 679.5 321.3 324 25 7.7 20191211 B-C 41 358.1 733.7 375.6 379 29 7.7 20191218 C-D 10 358.1 727 368.9 372.5 28.5 7.7 20191226 C-D 30 357.9 755 397.1 401 30 7.7 20191231 C-D 55 358.1 758.8 400.7 405 30.5 7.7 20200107 C-D 68 358 771.4 413.4 417.5 30 7.7 20200116 C-D 82 357.9 788.9 431 431 31 7.7 20200121 C-D 95 358.1 757.4 399.3 401 31 7.7 Buried new SnowFox board EFGH in undisturbed snow sector 10 cm deep 20200129 D-A 26 358.4 769.8 411.4 416 31 7.7 20200205 D-A 43 591.5 1010 418.5 418.5 32 7.7 Tie point sample taken from A-D board 20200205 E-F 15 358.1 588.7 230.6 232 16 7.7 Tie point sample taken from E-H board 20200212 E-F 34 357.9 663.5 305.6 305.8 22 7.7 20200220 E-F 41 284.1 570.9 286.8 292 21.5 7.7 20200228 E-F 84 284.3 596.8 312.5 317 22 7.7 20200305 E-4 96 284.3 616 331.7 340 24 7.7