Date of the First Measurable Snowfall in Lincoln, Each Autumn

Listed from earliest first snowfall (September 29) to latest first snowfall (December 31).  
Data: 1948-2021 (74 years)

LY = Leap Year (more information about this below the table)

Average, all years, first snowfall is day 322, November 18
Recent standard 30-year normal (1991-2020) is day 324, November 20

Year 2021 first snowfall in the Autumn was December 10, calendar day 345
Year 2020 first snowfall in the Autumn was October 25, calendar day 299
Year 2019 first snowfall in the Autumn was October 28, calendar day 301
Year 2018 first snowfall in the Autumn was October 14, calendar day 287
Year 2017 first snowfall in the Autumn was December 17, calendar day 352
Year 2016 first snowfall in the Autumn was December 3, calendar day 338

Year Month Day Calendar Day* Rank
1985 Sep 29 272 1
1970 Oct 9 282 2
2009 Oct 10 283 3
1987 Oct 10 283 4
2018 Oct 14 287 5
1976-LY Oct 18 292 6
1996-LY Oct 22 296 7
1979 Oct 22 295 8
2002 Oct 23 296 9
2020-LY Oct 25 299 10
1997 Oct 26 299 11
1980-LY Oct 27 301 12
2019 Oct 28 301 13
1991 Oct 31 304 14
1986 Nov 1 305 15
1955 Nov 2 306 16
1951 Nov 4 308 17
1959 Nov 5 309 18
2000-LY Nov 6 311 19
1992-LY Nov 6 311 20
1953 Nov 7 311 21
1950 Nov 8 312 22
1968-LY Nov 9 314 23
1977 Nov 9 313 24
1984-LY Nov 9 314 25
1983 Nov 9 313 26
2014 Nov 10 314 27
1995 Nov 10 314 28
1972-LY Nov 13 318 29
1974 Nov 13 317 30
1969 Nov 14 318 31
1961 Nov 15 319 32
2005 Nov 15 319 33
1988-LY Nov 15 320 34
1993 Nov 15 319 35
1956-LY Nov 15 320 36
1957 Nov 16 320 37
1978 Nov 16 320 38
1958 Nov 17 321 39
1966 Nov 18 322 40
1948-LY Nov 19 324 41
1981 Nov 19 323 42
1962 Nov 19 323 43
1975 Nov 20 324 44
2007 Nov 21 325 45
2013 Nov 21 325 46
1971 Nov 22 326 47
2003 Nov 23 327 48
1952-LY Nov 25 329 49
1989 Nov 27 331 50
2004-LY Nov 28 333 51
1994 Nov 28 332 52
1964LY Nov 29 333 53
2015 Nov 30 334 54
1990 Dec 2 336 55
2016-LY Dec 3 338 56
2008-LY Dec 3 338 57
2011 Dec 3 337 58
1973 Dec 4 338 59
1954 Dec 8 342 60
1967 Dec 8 342 61
1963 Dec 10 344 62
2010 Dec 11 345 63
2021 Dec. 12 346 64
1965 Dec 14 348 65
1999 Dec 14 348 66
2017 Dec 17 351 67
2001 Dec 18 352 68
1998 Dec 20 354 69
2012-LY Dec 19 354 70
1960-LY Dec 20 355 71
1949 Dec 21 355 72
1982 Dec 27 361 73
2006 Dec 31 365 74

*Calendar Day = the calendar day converted to the day of the year. Calendar Day ranges from January 1 =1 to December 31 = 365 (366 during Leap Years).
For example, first snowfall November 9, 1984 (a Leap Year) = Calendar Day 314 November 9, 1983 = Calendar Day 313

Day of the year (DOTY), non-leap years:

JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
1 1 32 60 91 121 152 182 213 244 274 305 335
2 2 33 61 92 122 153 183 214 245 275 306 336
3 3 34 62 93 123 154 184 215 246 276 307 337
4 4 35 63 94 124 155 185 216 247 277 308 338
5 5 36 64 95 125 156 186 217 248 278 309 339
6 6 37 65 96 126 157 187 218 249 279 310 340
7 7 38 66 97 127 158 188 219 250 280 311 341
8 8 39 67 98 128 159 189 220 251 281 312 342
9 9 40 68 99 129 160 190 221 252 282 313 343
10 10 41 69 100 130 161 191 222 253 283 314 344
11 11 42 70 101 131 162 192 223 254 284 315 345
12 12 43 71 102 132 163 193 224 255 285 316 346
13 13 44 72 103 133 164 194 225 256 286 317 347
14 14 45 73 104 134 165 195 226 257 287 318 348
15 15 46 74 105 135 166 196 227 258 288 319 349
16 16 47 75 106 136 167 197 228 259 289 320 350
17 17 48 76 107 137 168 198 229 260 290 321 351
18 18 49 77 108 138 169 199 230 261 291 322 352
19 19 50 78 109 139 170 200 231 262 292 323 353
20 20 51 79 110 140 171 201 232 263 293 324 354
21 21 52 80 111 141 172 202 233 264 294 325 355
22 22 53 81 112 142 173 203 234 265 295 326 356
23 23 54 82 113 143 174 204 235 266 296 327 357
24 24 55 83 114 144 175 205 236 267 297 328 358
25 25 56 84 115 145 176 206 237 268 298 329 359
26 26 57 85 116 146 177 207 238 269 299 330 360
27 27 58 86 117 147 178 208 239 270 300 331 361
28 28 59 87 118 148 179 209 240 271 301 332 362
29 29 *60 88 119 149 180 210 241 272 302 333 363
30 30 89 120 150 181 211 242 273 303 334 364
31 31 90 151 212 243 304 365

* Feb 29 exists only in a leap year.

During leap years, add 1 day to all days March 1-December 31.
All data in this table are from the National Weather Service and HPRCC data archives.