SID Station Lat. Long. Elev. PWM Portland, ME 43ø39'N 070ø19'W 00048' January Date TMAX TMIN PREC SNOW 19910101 28 9 .00 0.0 19910102 43 26 .00 0.0 19910103 32 18 .12 1.9 19910104 30 9 .00 0.0 19910105 35 13 T T 19910106 38 29 T T 19910107 31 8 .00 0.0 19910108 16 1 .00 0.0 19910109 25 5 .28 2.3 19910110 32 5 T T 19910111 15 2 .03 0.4 19910112 22 9 .68 8.5 19910113 28 8 .00 0.0 19910114 29 1 T T 19910115 40 24 .00 0.0 19910116 43 31 .98 0.0 19910117 46 32 .03 0.0 19910118 39 23 .03 0.3 19910119 29 15 .00 0.0 19910120 48 26 .00 0.0 19910121 32 8 .00 0.0 19910122 15 2 .00 0.0 19910123 30 -1 .00 0.0 19910124 34 18 T T 19910125 18 5 .00 0.0 19910126 25 4 .00 0.0 19910127 35 15 .00 0.0 19910128 45 27 .02 T 19910129 45 24 .00 0.0 19910130 41 34 .42 0.0 19910131 34 16 .32 T February Date TMAX TMIN PREC SNOW 19910201 19 9 T T 19910202 45 8 .00 0.0 19910203 59 34 .00 0.0 19910204 50 29 .00 0.0 19910205 44 31 T 0.0 19910206 40 33 .00 0.0 19910207 38 32 .35 T 19910208 46 28 .00 0.0 19910209 50 25 .00 0.0 19910210 46 23 .00 0.0 19910211 33 14 T T 19910212 22 4 .00 0.0 19910213 32 15 T T 19910214 35 26 1.14 3.5 19910215 35 24 .06 0.9 19910216 24 10 T T 19910217 35 11 .00 0.0 19910218 31 16 .00 0.0 19910219 34 26 .28 1.7 19910220 50 34 .01 0.0 19910221 45 31 .00 0.0 19910222 56 31 T T 19910223 31 11 .00 0.0 19910224 30 9 T T 19910225 36 20 .01 0.1 19910226 32 23 T 0.1 19910227 35 19 .00 0.0 19910228 38 19 .00 0.0 March Date TMAX TMIN PREC SNOW 19910301 49 33 .00 0.0 19910302 54 29 .43 0.0 19910303 49 35 .03 0.0 19910304 36 32 1.21 0.0 19910305 40 27 .06 T 19910306 42 22 .00 0.0 19910307 50 34 1.13 0.0 19910308 38 20 .00 0.0 19910309 42 21 .00 0.0 19910310 34 22 .04 0.5 19910311 38 24 T T 19910312 42 30 .00 0.0 19910313 50 29 .00 0.0 19910314 38 35 T T 19910315 43 30 .00 0.0 19910316 47 26 .00 0.0 19910317 55 24 .00 0.0 19910318 48 24 .79 0.0 19910319 50 40 .87 0.0 19910320 47 29 .00 0.0 19910321 45 22 .00 0.0 19910322 43 30 .00 0.0 19910323 35 28 .61 3.1 19910324 35 30 .26 1.9 19910325 43 31 .05 0.2 19910326 47 34 .00 0.0 19910327 47 31 .68 0.0 19910328 69 41 .03 0.0 19910329 60 33 .00 0.0 19910330 43 28 T T 19910331 39 20 .00 0.0 April Date TMAX TMIN PREC SNOW 19910401 40 27 T T 19910402 49 29 T 0.0 19910403 52 29 .00 0.0 19910404 63 27 .00 0.0 19910405 70 41 .00 0.0 19910406 76 46 T 0.0 19910407 78 45 T 0.0 19910408 60 42 T 0.0 19910409 63 41 .51 0.0 19910410 43 39 .05 0.0 19910411 47 35 .00 0.0 19910412 49 33 .00 0.0 19910413 45 28 .00 0.0 19910414 53 27 .00 0.0 19910415 53 35 .54 0.0 19910416 44 40 .02 0.0 19910417 43 39 T 0.0 19910418 47 32 T 0.0 19910419 52 29 .00 0.0 19910420 51 30 .00 0.0 19910421 46 38 4.21 0.0 19910422 48 41 .34 0.0 19910423 62 38 .00 0.0 19910424 60 33 .00 0.0 19910425 70 37 .00 0.0 19910426 69 35 .00 0.0 19910427 76 42 .00 0.0 19910428 54 40 .00 0.0 19910429 62 38 .00 0.0 19910430 49 43 1.04 0.0 May Date TMAX TMIN PREC SNOW 19910501 57 44 .05 0.0 19910502 61 44 .01 0.0 19910503 60 41 .00 0.0 19910504 64 46 .00 0.0 19910505 65 43 .00 0.0 19910506 54 41 2.23 0.0 19910507 66 43 .00 0.0 19910508 64 43 .00 0.0 19910509 61 37 .00 0.0 19910510 67 41 .00 0.0 19910511 74 44 .00 0.0 19910512 88 58 .00 0.0 19910513 83 45 .00 0.0 19910514 64 51 T 0.0 19910515 67 44 .00 0.0 19910516 85 44 .00 0.0 19910517 83 44 .62 0.0 19910518 62 40 .02 0.0 19910519 60 35 .00 0.0 19910520 70 38 .00 0.0 19910521 84 44 .00 0.0 19910522 74 50 .00 0.0 19910523 60 46 T 0.0 19910524 91 52 T 0.0 19910525 86 62 .27 0.0 19910526 69 54 .02 0.0 19910527 56 50 .30 0.0 19910528 83 51 T 0.0 19910529 80 56 T 0.0 19910530 72 51 T 0.0 19910531 58 51 .25 0.0 June Date TMAX TMIN PREC SNOW 19910601 75 51 T 0.0 19910602 80 52 .00 0.0 19910603 76 52 .28 0.0 19910604 57 51 .44 0.0 19910605 61 49 .03 0.0 19910606 76 47 .00 0.0 19910607 81 51 .00 0.0 19910608 84 53 .00 0.0 19910609 70 53 .00 0.0 19910610 87 54 .00 0.0 19910611 87 64 .21 0.0 19910612 78 58 .01 0.0 19910613 71 49 .04 0.0 19910614 78 51 .00 0.0 19910615 66 54 .02 0.0 19910616 57 51 .39 0.0 19910617 60 53 .04 0.0 19910618 70 52 T 0.0 19910619 68 48 .00 0.0 19910620 91 54 .00 0.0 19910621 83 57 .00 0.0 19910622 74 57 .00 0.0 19910623 75 47 .00 0.0 19910624 76 49 .00 0.0 19910625 83 55 .00 0.0 19910626 90 56 .00 0.0 19910627 93 64 .00 0.0 19910628 98 73 .00 0.0 19910629 83 60 T 0.0 19910630 75 58 .01 0.0 July Date TMAX TMIN PREC SNOW 19910701 75 51 .00 0.0 19910702 82 47 .00 0.0 19910703 72 55 .00 0.0 19910704 77 50 .00 0.0 19910705 65 57 T 0.0 19910706 69 58 .04 0.0 19910707 68 61 .31 0.0 19910708 85 61 .13 0.0 19910709 78 59 .00 0.0 19910710 82 52 T 0.0 19910711 82 57 .00 0.0 19910712 82 54 .00 0.0 19910713 67 58 .71 0.0 19910714 80 61 .02 0.0 19910715 87 60 .00 0.0 19910716 88 57 .00 0.0 19910717 91 62 T 0.0 19910718 89 67 .00 0.0 19910719 88 65 .00 0.0 19910720 95 70 .00 0.0 19910721 96 71 T 0.0 19910722 79 65 .00 0.0 19910723 94 65 .61 0.0 19910724 87 62 .00 0.0 19910725 87 57 .00 0.0 19910726 72 61 .39 0.0 19910727 82 61 .14 0.0 19910728 82 57 .00 0.0 19910729 80 56 .00 0.0 19910730 75 54 .00 0.0 19910731 76 60 .00 0.0 August Date TMAX TMIN PREC SNOW 19910801 87 57 .00 0.0 19910802 89 63 .00 0.0 19910803 82 60 .00 0.0 19910804 68 59 1.50 0.0 19910805 75 59 .13 0.0 19910806 76 57 .02 0.0 19910807 83 55 .00 0.0 19910808 88 59 .00 0.0 19910809 77 62 .27 0.0 19910810 71 62 3.24 0.0 19910811 79 56 .00 0.0 19910812 82 61 .00 0.0 19910813 86 58 .00 0.0 19910814 89 62 .00 0.0 19910815 84 66 .02 0.0 19910816 87 65 .00 0.0 19910817 85 64 .00 0.0 19910818 86 65 .08 0.0 19910819 70 61 7.75 0.0 19910820 71 58 .41 0.0 19910821 64 57 1.42 0.0 19910822 76 60 .00 0.0 19910823 83 60 .00 0.0 19910824 72 54 .00 0.0 19910825 67 51 .00 0.0 19910826 73 50 .00 0.0 19910827 86 63 .00 0.0 19910828 89 66 .01 0.0 19910829 86 66 .00 0.0 19910830 87 62 .00 0.0 19910831 80 55 .37 0.0 September Date TMAX TMIN PREC SNOW 19910901 67 46 .00 0.0 19910902 68 41 .00 0.0 19910903 75 49 .00 0.0 19910904 81 57 T 0.0 19910905 72 53 .31 0.0 19910906 69 50 .00 0.0 19910907 80 53 .00 0.0 19910908 81 56 .00 0.0 19910909 67 51 .00 0.0 19910910 85 58 .07 0.0 19910911 71 48 T 0.0 19910912 67 42 .00 0.0 19910913 66 42 T 0.0 19910914 68 53 .03 0.0 19910915 63 53 .39 0.0 19910916 76 62 .08 0.0 19910917 86 63 .00 0.0 19910918 71 54 T 0.0 19910919 74 53 1.01 0.0 19910920 60 41 .31 0.0 19910921 60 39 .00 0.0 19910922 61 34 .00 0.0 19910923 65 47 .08 0.0 19910924 68 46 .00 0.0 19910925 54 51 2.15 0.0 19910926 56 50 .99 0.0 19910927 61 44 .00 0.0 19910928 59 37 .00 0.0 19910929 58 36 .02 0.0 19910930 56 33 .00 0.0 October Date TMAX TMIN PREC SNOW 19911001 67 48 .01 0.0 19911002 70 59 .68 0.0 19911003 64 53 .00 0.0 19911004 74 49 .00 0.0 19911005 62 53 .00 0.0 19911006 63 52 .79 0.0 19911007 56 37 .00 0.0 19911008 58 34 .00 0.0 19911009 62 35 .00 0.0 19911010 63 51 T 0.0 19911011 62 47 .00 0.0 19911012 56 37 .41 0.0 19911013 56 32 .00 0.0 19911014 55 30 .00 0.0 19911015 57 33 .23 0.0 19911016 61 42 .29 0.0 19911017 60 39 .21 0.0 19911018 68 48 .03 0.0 19911019 63 43 .00 0.0 19911020 49 29 .00 0.0 19911021 50 25 .00 0.0 19911022 64 38 .05 0.0 19911023 55 33 .00 0.0 19911024 58 45 .00 0.0 19911025 64 44 .00 0.0 19911026 68 52 .00 0.0 19911027 63 50 T 0.0 19911028 59 33 .09 0.0 19911029 50 31 .00 0.0 19911030 56 38 .02 0.0 19911031 50 43 .02 0.0 November Date TMAX TMIN PREC SNOW 19911101 51 48 .08 0.0 19911102 55 44 T 0.0 19911103 59 45 .00 0.0 19911104 47 31 .00 0.0 19911105 40 30 T T 19911106 47 30 .00 0.0 19911107 50 30 .00 0.0 19911108 42 29 .00 0.0 19911109 40 25 .00 0.0 19911110 40 24 .03 0.0 19911111 38 32 1.73 0.0 19911112 44 29 .04 T 19911113 42 29 .00 0.0 19911114 50 30 T 0.0 19911115 46 26 .05 0.0 19911116 51 31 T T 19911117 39 28 .00 0.0 19911118 53 23 .00 0.0 19911119 64 30 .00 0.0 19911120 71 44 .00 0.0 19911121 64 47 .04 0.0 19911122 48 42 1.02 0.0 19911123 44 41 .89 0.0 19911124 48 39 .42 0.0 19911125 43 31 T T 19911126 40 25 .00 0.0 19911127 36 18 .00 0.0 19911128 47 32 .00 0.0 19911129 51 37 .01 T 19911130 51 35 .03 T December Date TMAX TMIN PREC SNOW 19911201 56 41 .00 0.0 19911202 48 24 .00 0.0 19911203 27 18 .92 5.1 19911204 34 13 .16 T 19911205 22 10 .00 0.0 19911206 19 5 .23 4.7 19911207 30 6 .22 2.5 19911208 30 20 T T 19911209 51 27 .02 0.0 19911210 42 22 .00 0.0 19911211 44 22 .00 0.0 19911212 46 23 .00 0.0 19911213 52 42 .10 0.0 19911214 45 36 .43 0.0 19911215 42 25 T T 19911216 25 11 T 0.1 19911217 22 5 .42 6.1 19911218 27 13 .20 3.0 19911219 24 7 .00 0.0 19911220 31 -2 .00 0.0 19911221 40 24 .09 0.7 19911222 38 22 .00 0.0 19911223 37 18 .01 T 19911224 34 9 .00 0.0 19911225 24 6 .00 0.0 19911226 27 1 .00 0.0 19911227 37 21 .00 0.0 19911228 42 15 .00 0.0 19911229 40 18 1.17 0.0 19911230 36 15 .09 0.3 19911231 37 8 .00 0.0 Portland Jetport Observations 1991