Historical Snow Survey Information
Airborne Gamma Survey Snow Water Equivalent Archive Map
Snow Survey Observations for 1990 (link to file)
Listed SWE values of -900.0 means that the snow was too deep to measure with gamma detectors, i.e. SWE greater than 100 centimeters or 39 inches.
| Flight Line |
Survey Date |
SWE (cm) |
Latitude |
Longitude |
| SJ113 | 1990-02-07 | 16.0 | 46.1368 | 67.4344 |
| SJ114 | 1990-02-07 | 17.3 | 46.2768 | 67.0158 |
| SJ115 | 1990-02-07 | 16.5 | 46.0501 | 66.7988 |
| SJ117 | 1990-02-07 | 15.6 | 45.8477 | 67.6173 |
| SJ153 | 1990-02-07 | 0.0 | 46.0808 | 67.8028 |
| SJ101 | 1990-02-08 | 15.6 | 47.3400 | 67.2791 |
| SJ103 | 1990-02-08 | 13.2 | 47.1789 | 67.3345 |
| SJ104 | 1990-02-08 | 13.8 | 47.0262 | 67.4395 |
| SJ107 | 1990-02-08 | 13.0 | 46.8502 | 67.4398 |
| SJ108 | 1990-02-08 | 15.6 | 46.8053 | 67.6602 |
| SJ109 | 1990-02-08 | 15.5 | 46.8345 | 67.8795 |
| SJ110 | 1990-02-08 | 17.6 | 46.5806 | 68.0106 |
| SJ111 | 1990-02-08 | 14.7 | 46.4791 | 67.7271 |
| SJ112 | 1990-02-08 | 16.5 | 46.4136 | 67.5939 |
| SJ116 | 1990-02-08 | 17.4 | 46.2621 | 67.9854 |
| SJ139 | 1990-02-08 | 18.4 | 46.5881 | 68.4003 |
| SJ140 | 1990-02-08 | 18.6 | 46.4739 | 68.4705 |
| SJ141 | 1990-02-08 | 16.0 | 46.3618 | 68.5808 |
| SJ142 | 1990-02-08 | 17.2 | 46.2681 | 68.4792 |
| SJ143 | 1990-02-09 | 16.4 | 46.2057 | 69.4462 |
| SJ144 | 1990-02-09 | 19.5 | 46.7957 | 70.2115 |
| SJ145 | 1990-02-09 | 23.0 | 46.5265 | 70.3175 |
| SJ146 | 1990-02-09 | 19.7 | 46.4949 | 70.2290 |
| SJ147 | 1990-02-09 | 19.6 | 46.3420 | 70.3473 |
| SJ148 | 1990-02-09 | 15.0 | 46.1335 | 70.4350 |
| SJ150 | 1990-02-09 | 16.9 | 46.6232 | 68.9329 |
| SJ151 | 1990-02-09 | 15.5 | 46.5713 | 69.6739 |
| SJ152 | 1990-02-09 | 13.4 | 46.6724 | 69.4551 |
| SJ105 | 1990-02-12 | 18.3 | 47.1937 | 67.8955 |
| SJ106 | 1990-02-12 | 16.8 | 47.2507 | 68.0685 |
| SJ118 | 1990-02-12 | 15.6 | 47.8004 | 68.9195 |
| SJ119 | 1990-02-12 | 13.4 | 47.7556 | 68.7625 |
| SJ121 | 1990-02-12 | 11.4 | 47.5724 | 68.7631 |
| SJ122 | 1990-02-12 | 15.2 | 47.6267 | 69.1106 |
| SJ123 | 1990-02-12 | 19.0 | 47.6488 | 69.2920 |
| SJ124 | 1990-02-12 | 13.2 | 47.5622 | 69.0166 |
| SJ125 | 1990-02-12 | 14.9 | 47.4645 | 69.0927 |
| SJ126 | 1990-02-12 | 14.7 | 47.5043 | 69.5128 |
| SJ127 | 1990-02-12 | 17.7 | 47.3510 | 69.3829 |
| SJ128 | 1990-02-12 | 16.5 | 47.3325 | 69.1929 |
| SJ129 | 1990-02-12 | 15.8 | 47.2553 | 68.8334 |
| SJ130 | 1990-02-12 | 13.0 | 47.0589 | 69.0443 |
| SJ131 | 1990-02-12 | 16.4 | 47.1163 | 68.7209 |
| SJ132 | 1990-02-12 | 16.9 | 47.4314 | 68.7760 |
| SJ133 | 1990-02-12 | 15.7 | 47.0534 | 68.3924 |
| SJ134 | 1990-02-12 | 17.1 | 47.2688 | 68.2749 |
| SJ135 | 1990-02-12 | 18.0 | 46.8022 | 68.6154 |
| SJ136 | 1990-02-12 | 16.7 | 46.6538 | 68.6010 |
| SJ137 | 1990-02-12 | 19.2 | 46.7903 | 68.3395 |
| SJ138 | 1990-02-12 | 19.6 | 46.8636 | 68.1605 |
| ME202 | 1990-02-13 | 15.6 | 46.0776 | 69.0453 |
| ME203 | 1990-02-13 | 17.1 | 46.0059 | 68.3681 |
| ME205 | 1990-02-13 | 19.0 | 45.8819 | 68.4706 |
| ME206 | 1990-02-13 | 17.7 | 45.7326 | 68.6356 |
| ME207 | 1990-02-13 | 16.4 | 45.6412 | 68.8768 |
| ME101 | 1990-02-14 | 18.0 | 45.5306 | 70.5859 |
| ME102 | 1990-02-14 | 17.4 | 45.5860 | 70.2217 |
| ME103 | 1990-02-14 | 18.4 | 45.6430 | 70.3358 |
| ME104 | 1990-02-14 | 17.6 | 45.4176 | 70.1099 |
| ME105 | 1990-02-14 | 14.5 | 45.0571 | 70.5857 |
| ME107 | 1990-02-14 | 16.4 | 44.8870 | 70.2708 |
| ME108 | 1990-02-14 | 14.5 | 44.8269 | 70.2919 |
| ME109 | 1990-02-14 | 16.5 | 44.8152 | 70.1832 |
| ME110 | 1990-02-14 | 14.2 | 44.8325 | 69.8927 |
| ME111 | 1990-02-14 | 17.9 | 45.5641 | 69.8540 |
| ME112 | 1990-02-14 | 15.1 | 45.3777 | 69.9550 |
| ME113 | 1990-02-14 | 16.6 | 45.3740 | 69.6730 |
| ME115 | 1990-02-14 | 15.6 | 45.0387 | 69.5404 |
| ME208 | 1990-02-14 | 13.3 | 45.5282 | 68.4336 |
| ME209 | 1990-02-14 | 14.8 | 45.3821 | 68.7043 |
| ME210 | 1990-02-14 | 16.5 | 45.4062 | 68.5893 |
| ME211 | 1990-02-14 | 15.4 | 45.4390 | 69.0318 |
| ME212 | 1990-02-14 | 16.4 | 45.3196 | 69.2600 |
| ME213 | 1990-02-14 | 14.8 | 45.1843 | 69.2034 |
| ME214 | 1990-02-14 | 16.1 | 45.2495 | 69.4995 |
| ME215 | 1990-02-14 | 15.0 | 45.0930 | 68.8066 |
| ME216 | 1990-02-14 | 14.1 | 44.8718 | 68.9637 |
| ME217 | 1990-02-14 | 13.1 | 44.7343 | 69.2142 |
| NY101 | 1990-02-18 | 9.8 | 44.8542 | 73.5530 |
| NY102 | 1990-02-18 | 10.5 | 44.8150 | 73.6273 |
| NY103 | 1990-02-18 | 10.1 | 44.6371 | 73.5952 |
| NY104 | 1990-02-18 | 9.0 | 44.6128 | 73.7980 |
| NY105 | 1990-02-18 | 8.4 | 44.4671 | 73.8143 |
| NY106 | 1990-02-18 | 9.1 | 44.2966 | 73.4219 |
| NY107 | 1990-02-18 | 9.4 | 44.1388 | 73.4532 |
| NY417 | 1990-02-18 | 9.5 | 43.8203 | 75.3073 |
| NY418 | 1990-02-18 | 12.4 | 43.6541 | 75.0945 |
| NY419 | 1990-02-18 | 10.7 | 43.7856 | 75.6297 |
| NY420 | 1990-02-18 | 8.5 | 43.8539 | 75.5595 |
| NY421 | 1990-02-18 | 10.3 | 43.6750 | 75.4430 |
| NY422 | 1990-02-18 | 17.8 | 43.4625 | 75.4754 |
| NY423 | 1990-02-18 | 17.3 | 43.4709 | 75.1835 |
| NY424 | 1990-02-18 | 14.3 | 43.5186 | 75.2829 |
| NY425 | 1990-02-18 | 14.4 | 43.7206 | 75.3806 |
| NY437 | 1990-02-18 | 4.9 | 43.9622 | 76.0241 |
| VT101 | 1990-02-18 | 5.5 | 44.9367 | 72.8449 |
| VT102 | 1990-02-18 | 6.4 | 44.9300 | 72.9343 |
| VT103 | 1990-02-18 | 4.3 | 44.6885 | 73.0534 |
| VT104 | 1990-02-18 | 4.9 | 44.6852 | 73.1458 |
| VT105 | 1990-02-18 | 4.2 | 44.2753 | 73.0857 |
| VT106 | 1990-02-18 | 7.5 | 44.2739 | 73.2533 |
| VT107 | 1990-02-18 | 6.1 | 44.1064 | 73.1944 |
| VT108 | 1990-02-18 | 7.2 | 43.8344 | 73.3231 |
| VT109 | 1990-02-18 | 5.9 | 43.9012 | 73.1404 |
| NY413 | 1990-03-01 | 6.4 | 43.1967 | 78.5130 |
| NY426 | 1990-03-01 | 4.0 | 42.6473 | 77.9185 |
| NY427 | 1990-03-01 | 2.9 | 42.9054 | 77.6263 |
| NY428 | 1990-03-01 | 3.2 | 42.2549 | 77.9438 |
| NY429 | 1990-03-01 | 2.4 | 42.7264 | 77.0648 |
| NY430 | 1990-03-01 | 2.8 | 42.4500 | 76.6450 |
| NY431 | 1990-03-01 | 2.6 | 42.7960 | 76.5574 |
| NY432 | 1990-03-01 | 5.4 | 42.9023 | 78.3711 |
| NY434 | 1990-03-01 | 2.3 | 43.0325 | 76.4612 |
| NY443 | 1990-03-01 | 7.5 | 43.2787 | 78.0598 |
| NY446 | 1990-03-01 | 4.5 | 43.0379 | 78.3857 |
| OT251 | 1990-03-01 | 5.7 | 43.0462 | 79.3525 |
| OT252 | 1990-03-01 | 6.8 | 43.1334 | 79.6429 |
| OT253 | 1990-03-01 | 8.1 | 43.4700 | 79.8587 |
| NY417 | 1990-03-02 | 10.8 | 43.8203 | 75.3073 |
| NY418 | 1990-03-02 | 11.2 | 43.6541 | 75.0945 |
| NY433 | 1990-03-02 | 5.5 | 43.2358 | 77.2221 |
| NY435 | 1990-03-02 | 5.7 | 43.3060 | 76.5682 |
| NY436 | 1990-03-02 | 3.9 | 43.4801 | 76.1327 |
| NY437 | 1990-03-02 | 4.5 | 43.9622 | 76.0241 |
| NY438 | 1990-03-02 | 11.5 | 43.7021 | 75.9388 |
| NY439 | 1990-03-02 | 8.6 | 43.3687 | 75.6938 |
| NY440 | 1990-03-02 | 1.2 | 43.1079 | 75.6746 |
| NY444 | 1990-03-02 | 7.0 | 44.1906 | 75.2293 |
| NY445 | 1990-03-02 | 8.0 | 44.4561 | 75.7045 |
| OT257 | 1990-03-02 | 7.4 | 44.9237 | 75.2285 |
| OT258 | 1990-03-02 | 4.2 | 44.6122 | 76.0295 |
| OT259 | 1990-03-02 | 8.6 | 44.2840 | 76.6425 |
| OT255 | 1990-03-03 | 6.7 | 43.9135 | 79.1074 |
| OT263 | 1990-03-03 | 11.1 | 44.0681 | 77.1818 |
| OT263 | 1990-03-03 | 6.2 | 44.0681 | 77.1818 |
| OT266 | 1990-03-03 | 7.7 | 44.3537 | 78.0763 |
| OT267 | 1990-03-03 | 11.4 | 44.5989 | 78.4429 |
| OT268 | 1990-03-03 | 9.8 | 44.0228 | 78.5358 |
| OT269 | 1990-03-03 | 9.6 | 44.3130 | 78.9346 |
| OT270 | 1990-03-03 | 13.0 | 45.0739 | 78.5530 |
| LS110 | 1990-03-04 | 8.7 | 47.6942 | 90.8578 |
| LS204 | 1990-03-04 | 10.4 | 48.7108 | 89.8812 |
| LS333 | 1990-03-04 | 8.0 | 47.4067 | 92.6718 |
| LS406 | 1990-03-04 | 11.1 | 48.9522 | 89.6105 |
| LS486 | 1990-03-04 | 14.0 | 49.6161 | 89.7731 |
| OT254 | 1990-03-04 | 6.7 | 43.8809 | 79.5664 |
| OT256 | 1990-03-04 | 7.0 | 43.8685 | 80.0032 |
| OT260 | 1990-03-04 | 7.9 | 44.5364 | 76.6774 |
| OT261 | 1990-03-04 | 8.9 | 44.7210 | 76.9557 |
| OT262 | 1990-03-04 | 10.7 | 44.3876 | 77.2052 |
| OT265 | 1990-03-04 | 14.3 | 44.8253 | 77.6511 |
| LS201 | 1990-03-05 | 10.3 | 48.4034 | 89.4853 |
| LS224 | 1990-03-05 | 25.7 | 48.0143 | 84.5293 |
| LS225 | 1990-03-05 | 27.9 | 48.2407 | 84.5415 |
| LS232 | 1990-03-05 | 12.2 | 48.5325 | 85.1562 |
| LS241 | 1990-03-05 | 26.1 | 48.9264 | 86.1052 |
| LS251 | 1990-03-05 | 24.2 | 49.3145 | 85.6980 |
| LS254 | 1990-03-05 | 22.6 | 48.9332 | 87.0567 |
| LS272 | 1990-03-05 | 19.8 | 50.3039 | 88.7388 |
| LS281 | 1990-03-05 | 12.2 | 49.8706 | 89.1647 |
| LS284 | 1990-03-05 | 17.1 | 49.2623 | 88.8307 |
| LS291 | 1990-03-05 | 21.4 | 49.1581 | 88.2293 |
| LS415 | 1990-03-05 | 63.3 | 47.5305 | 83.2128 |
| LS416 | 1990-03-05 | 25.2 | 47.7878 | 83.5448 |
| LS421 | 1990-03-05 | 59.8 | 47.2565 | 84.4879 |
| LS427 | 1990-03-05 | 62.5 | 48.0890 | 85.1144 |
| LS428 | 1990-03-05 | 24.6 | 48.3406 | 85.7042 |
| LS429 | 1990-03-05 | 31.9 | 48.4758 | 86.0449 |
| LS462 | 1990-03-05 | 14.2 | 49.6737 | 87.6952 |
| LS470 | 1990-03-05 | 18.5 | 50.2398 | 87.6927 |
| LS495 | 1990-03-05 | 10.4 | 48.9144 | 88.9286 |
| MI109 | 1990-03-06 | 13.4 | 44.5622 | 85.2473 |
| MI113 | 1990-03-06 | 5.6 | 44.3422 | 84.9401 |
| MI117 | 1990-03-06 | 3.6 | 44.0668 | 84.5365 |
| MI120 | 1990-03-06 | 0.8 | 43.4986 | 86.0485 |
| MI122 | 1990-03-06 | 5.1 | 43.5336 | 85.3115 |
| MI124 | 1990-03-06 | 5.5 | 43.8889 | 85.3538 |
| MI129 | 1990-03-06 | 4.1 | 43.1821 | 85.4098 |
| MI130 | 1990-03-06 | 5.6 | 43.0088 | 84.6541 |
| MI131 | 1990-03-06 | 4.5 | 43.4154 | 84.7970 |
| MI133 | 1990-03-06 | 5.0 | 43.4707 | 84.2372 |
| MI212 | 1990-03-06 | 3.6 | 42.8120 | 85.1809 |
| MI213 | 1990-03-06 | 5.6 | 42.6338 | 84.7500 |
| MI214 | 1990-03-06 | 7.5 | 42.8160 | 84.1726 |
| MI217 | 1990-03-06 | 7.2 | 42.5760 | 84.1589 |
| MI222 | 1990-03-06 | 4.0 | 42.8858 | 83.4716 |
| MI224 | 1990-03-06 | 2.7 | 43.4005 | 83.6604 |
| MI231 | 1990-03-06 | 2.9 | 43.1161 | 83.9383 |
| LS130 | 1990-03-07 | 6.8 | 47.1569 | 91.6544 |
| LS161 | 1990-03-07 | 6.8 | 46.5692 | 91.6033 |
| LS162 | 1990-03-07 | 7.9 | 46.5454 | 91.0572 |
| LS163 | 1990-03-07 | 10.5 | 46.4637 | 90.6613 |
| LS180 | 1990-03-07 | 14.1 | 46.5513 | 89.3519 |
| LS184 | 1990-03-07 | 11.5 | 46.7605 | 88.7036 |
| LS187 | 1990-03-07 | 19.0 | 46.3559 | 87.0944 |
| LS364 | 1990-03-07 | 8.1 | 46.6973 | 91.3945 |
| LS371 | 1990-03-07 | 14.4 | 46.4297 | 89.8132 |
| LS379 | 1990-03-07 | 12.0 | 46.5322 | 88.3938 |
| LS382 | 1990-03-07 | 24.1 | 47.1833 | 88.4923 |
| LS389 | 1990-03-07 | 21.6 | 46.4279 | 86.5033 |
| LS390 | 1990-03-07 | 17.3 | 46.5775 | 87.6475 |
| LS393 | 1990-03-07 | 14.8 | 46.3183 | 85.5600 |
| LS395 | 1990-03-07 | 19.6 | 46.3817 | 84.6282 |
| WI206 | 1990-03-07 | 8.9 | 45.5682 | 89.0341 |
| WI207 | 1990-03-07 | 7.6 | 45.1716 | 89.0164 |
| WI208 | 1990-03-07 | 7.5 | 45.2050 | 88.6206 |
| WI209 | 1990-03-07 | 9.1 | 45.4990 | 88.6831 |
| WI407 | 1990-03-07 | 7.1 | 44.8003 | 88.7847 |
| WI408 | 1990-03-07 | 3.1 | 44.4431 | 88.2984 |
| WI410 | 1990-03-07 | 4.0 | 44.5250 | 88.8040 |
| WI411 | 1990-03-07 | 6.5 | 44.7380 | 89.0725 |
| CO101 | 1990-03-08 | 52.5 | 40.3871 | 106.6894 |
| CO102 | 1990-03-08 | 13.1 | 40.0844 | 106.8715 |
| CO103 | 1990-03-08 | 11.3 | 40.2090 | 106.9236 |
| CO104 | 1990-03-08 | 20.7 | 40.1947 | 106.7673 |
| CO105 | 1990-03-08 | 21.8 | 40.3749 | 106.8230 |
| CO106 | 1990-03-08 | 10.1 | 38.8985 | 107.3470 |
| CO107 | 1990-03-08 | 19.6 | 38.7692 | 107.3160 |
| CO108 | 1990-03-08 | 19.8 | 38.9066 | 107.2232 |
| CO109 | 1990-03-08 | 6.9 | 39.1038 | 107.3464 |
| CO110 | 1990-03-08 | 6.3 | 39.1132 | 107.4031 |
| CO111 | 1990-03-08 | 17.5 | 39.1219 | 107.5255 |
| CO112 | 1990-03-08 | 29.0 | 40.1145 | 107.0875 |
| CO115 | 1990-03-08 | 14.9 | 39.0373 | 108.1505 |
| CO116 | 1990-03-08 | 51.9 | 40.4202 | 106.6908 |
| UT123 | 1990-03-09 | 17.0 | 40.7914 | 109.4652 |
| WY101 | 1990-03-09 | 0.2 | 41.1093 | 109.8976 |
| WY102 | 1990-03-09 | 0.9 | 41.0467 | 110.0887 |
| WY103 | 1990-03-09 | 0.2 | 41.0284 | 109.9219 |
| WY108 | 1990-03-09 | 8.9 | 41.1157 | 110.5501 |
| WY109 | 1990-03-09 | 5.8 | 41.1327 | 110.3823 |
| WY110 | 1990-03-09 | 25.2 | 42.1870 | 110.7342 |
| WY111 | 1990-03-09 | 14.7 | 42.0927 | 110.6704 |
| WY122 | 1990-03-09 | 13.0 | 43.0862 | 110.0177 |
| WY123 | 1990-03-09 | 16.9 | 43.0724 | 110.1697 |
| WY124 | 1990-03-09 | 21.9 | 42.7613 | 110.6738 |
| WY125 | 1990-03-09 | 18.6 | 42.4414 | 110.5773 |
| WY128 | 1990-03-09 | 13.8 | 43.3650 | 109.9387 |
| UT124 | 1990-03-10 | 21.9 | 40.2906 | 111.2506 |
| WY112 | 1990-03-10 | 1.0 | 42.3076 | 110.2718 |
| WY114 | 1990-03-10 | 0.0 | 42.3898 | 110.1376 |
| WY115 | 1990-03-10 | 0.5 | 42.4928 | 110.1919 |
| WY116 | 1990-03-10 | 2.3 | 42.5371 | 110.2528 |
| WY117 | 1990-03-10 | 0.5 | 42.5956 | 109.7969 |
| WY118 | 1990-03-10 | 3.8 | 42.7281 | 109.5786 |
| WY119 | 1990-03-10 | 8.2 | 42.9262 | 110.1969 |
| WY120 | 1990-03-10 | 3.2 | 42.8355 | 109.8406 |
| WY121 | 1990-03-10 | 3.8 | 42.7699 | 110.2038 |
| WY126 | 1990-03-10 | 31.3 | 42.8361 | 109.3859 |
| WY127 | 1990-03-10 | 26.0 | 42.9610 | 109.6013 |
| CO101 | 1990-03-20 | 56.4 | 40.3871 | 106.6894 |
| CO102 | 1990-03-20 | 13.1 | 40.0844 | 106.8715 |
| CO103 | 1990-03-20 | 7.9 | 40.2090 | 106.9236 |
| CO104 | 1990-03-20 | 20.3 | 40.1947 | 106.7673 |
| CO105 | 1990-03-20 | 20.7 | 40.3749 | 106.8230 |
| CO106 | 1990-03-20 | 12.6 | 38.8985 | 107.3470 |
| CO107 | 1990-03-20 | 15.6 | 38.7692 | 107.3160 |
| CO108 | 1990-03-20 | 16.7 | 38.9066 | 107.2232 |
| CO109 | 1990-03-20 | 6.8 | 39.1038 | 107.3464 |
| CO110 | 1990-03-20 | 5.7 | 39.1132 | 107.4031 |
| CO111 | 1990-03-20 | 16.6 | 39.1219 | 107.5255 |
| CO112 | 1990-03-20 | 35.1 | 40.1145 | 107.0875 |
| CO113 | 1990-03-20 | 8.2 | 40.2768 | 106.0885 |
| CO114 | 1990-03-20 | 30.3 | 40.4422 | 105.7842 |
| CO115 | 1990-03-20 | 18.3 | 39.0373 | 108.1505 |
| CO116 | 1990-03-20 | 73.1 | 40.4202 | 106.6908 |
| UT123 | 1990-03-20 | 19.4 | 40.7914 | 109.4652 |
| WY110 | 1990-03-21 | 23.3 | 42.1870 | 110.7342 |
| WY111 | 1990-03-21 | 14.7 | 42.0927 | 110.6704 |
| WY112 | 1990-03-21 | 0.4 | 42.3076 | 110.2718 |
| WY118 | 1990-03-21 | 2.1 | 42.7281 | 109.5786 |
| WY119 | 1990-03-21 | 7.7 | 42.9262 | 110.1969 |
| WY120 | 1990-03-21 | 2.4 | 42.8355 | 109.8406 |
| WY121 | 1990-03-21 | 1.7 | 42.7699 | 110.2038 |
| WY122 | 1990-03-21 | 10.7 | 43.0862 | 110.0177 |
| WY123 | 1990-03-21 | 16.7 | 43.0724 | 110.1697 |
| WY128 | 1990-03-21 | 14.4 | 43.3650 | 109.9387 |
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weather.gov
