On the alternative dashboard (ajax-dashboard6.php), all the snow reporting comes from manual entries into Weather-Display software, then through testtags.php variables: //
$snowseasonin = '0.500'; // Snow for season you have entered under input daily weather, inches
$snowmonthin = '0'; // Snow for month you have entered under input daily weather, inches
$snowtodayin = '0.00'; // Snow for today you have entered under input daily weather, inches
$snowseasoncm = '0'; // Snow for season you have entered under input daily weather, cm
$snowmonthcm = '0'; // Snow for month you have entered under input daily weather, cm
$snowtodaycm = '0.0'; // Snow for today you have entered under input daily weather, cm
$snowyesterday = '0'; // Yesterdays' snow
$snowheight = '409'; // Estimated height snow will fall at
$snowheightnew = '0'; // Estimated height snow will fall at, new formula
//
$snownowin = '0'; // Current snow depth, inches.
$snownowcm = '0'; // Current snow depth, cm.
//
$snowrain = '0.00'; // Rain measure by a heated rain gauge when temp below freezing times 10 to give estimated snow fall
$snowdaysthismonth = '0'; // Days with snow this month
$snowdaysthisyear = '2'; // Days with snow this year
//
and $avsnowjan = '3.7'; //Average snow for jan from your inputted snow data (cm)
$avsnowfeb = '10.2'; //Average snow for feb from your inputted snow data (cm)
$avsnowmar = '1.3'; //Average snow for mar from your inputted snow data (cm)
$avsnowapr = '1.9'; //Average snow for apr from your inputted snow data (cm)
$avsnowmay = '0.0'; //Average snow for may from your inputted snow data (cm)
$avsnowjun = '0.0'; //Average snow for may from your inputted snow data (cm)
$avsnowjul = '0.0'; //Average snow for jul from your inputted snow data (cm)
$avsnowaug = '0.0'; //Average snow for aug from your inputted snow data (cm)
$avsnowsep = '0.0'; //Average snow for sep from your inputted snow data (cm)
$avsnowoct = '0.0'; //Average snow for oct from your inputted snow data (cm)
$avsnownov = '0.1'; //Average snow for nov from your inputted snow data (cm)
$avsnowdec = '6.3'; //Average snow for dec from your inputted snow data (cm)
$avsnowjannow = '0.0';
$avsnowfebnow = '26.0';
$avsnowmarnow = '0.0';
$avsnowaprnow = '7.6';
$avsnowmaynow = '0.0';
$avsnowjunnow = '0.0';
$avsnowjulnow = '0.0';
$avsnowaugnow = '0.0';
$avsnowsepnow = '0.0';
$avsnowoctnow = '0.0';
$avsnownovnow = '0.5';
$avsnowdecnow = '0.8';
(the above is from your testtags.php?sce=view)
You'll need to use Weather-Display, Input Daily Weather, Snow to correct the values (AFAIK).
Hope this helps... we never get snow around here, so I've not personally used those inputs.