❄
MeltLogic V2.2
Weather-responsive roof cable control
Spooner, WI  ·  ZIP 54801
Polls every 1h  ·  4 devices simulated

Devices

SOUTH (S, 100 ft)
ZIP 54801
ON THAW_GUARD
Est. snow depth: 4.6 in
SDI: 5.11  ·  Orient. mult: 1.65× (Mar)  ·  Season: 1.438×
Decay multiplier: 0.45×  ↑ slower (roof holds snow)
Last report: 6" obs / 4.1" est
Update snow depth:
Last ON: Mar 19, 9:00 AM CT
EAST (E, 100 ft)
ZIP 54801
ON THAW_GUARD
Est. snow depth: 5.5 in
SDI: 5.99  ·  Orient. mult: 1.12× (Mar)  ·  Season: 1.438×
Decay multiplier: 0.47×  ↑ slower (roof holds snow)
Last report: 7" obs / 4.9" est
Update snow depth:
Last ON: Mar 19, 9:00 AM CT
NORTH (N, 100 ft)
ZIP 54801
ON THAW_GUARD
Est. snow depth: 5.5 in
SDI: 6.04  ·  Orient. mult: 0.8× (Mar)  ·  Season: 1.438×
Decay multiplier: 0.51×  ↑ slower (roof holds snow)
Last report: 7" obs / 5.2" est
Update snow depth:
Last ON: Mar 19, 9:00 AM CT
WEST (W, 100 ft)
ZIP 54801
ON THAW_GUARD
Est. snow depth: 5.6 in
SDI: 6.13  ·  Orient. mult: 1.3× (Mar)  ·  Season: 1.438×
Decay multiplier: 0.47×  ↑ slower (roof holds snow)
Last report: 7" obs / 5" est
Update snow depth:
Last ON: Mar 19, 9:00 AM CT

SDI & Conditions (Last 24h)

MeltLogic — SDI Accumulation (Last 24h)
Spooner, WI (54801)  ·  CT times  ·  Generated 2026-03-19 14:48 UTC
Conditions & Multipliers (Last 24h)
Temperature · Liquid equivalent precip · Season / Orientation / Rain / Decay multipliers

Savings + Carbon

Baseline kWh
998.63
MeltLogic kWh
282
Energy saved
716.63 kWh
Cost avoided (@ $0.15/kWh)
$107.49
CO₂ avoided (@ 0.7 lbs/kWh)
501.64 lbs

Tools & Simulators

🛰️
SDI Simulator
Model snow depth index scenarios
→

Recent Events (last 10 ticks)

Time (CT)TempCloud SouthEastNorthWest Changed
Mar 19, 9:00 AM 29.8°F 2% ON THAW_GUARD
SDI 5.11 · 4.6"
 ON THAW_GUARD
SDI 5.99 · 5.5"
 ON THAW_GUARD
SDI 6.05 · 5.5"
 ON THAW_GUARD
SDI 6.13 · 5.6"
 —
Mar 19, 8:00 AM 25.4°F 10% ON THAW_GUARD
SDI 5.17 · 4.7"
 ON THAW_GUARD
SDI 6.03 · 5.6"
 ON THAW_GUARD
SDI 6.08 · 5.5"
 ON THAW_GUARD
SDI 6.18 · 5.6"
 —
Mar 19, 7:00 AM 25.4°F 72% ON THAW_GUARD
SDI 5.23 · 4.7"
 ON THAW_GUARD
SDI 6.08 · 5.6"
 ON THAW_GUARD
SDI 6.12 · 5.6"
 ON THAW_GUARD
SDI 6.23 · 5.7"
 —
Mar 19, 6:00 AM 27°F 23% ON THAW_GUARD
SDI 5.26 · 4.7"
 ON THAW_GUARD
SDI 6.11 · 5.7"
 ON THAW_GUARD
SDI 6.15 · 5.6"
 ON THAW_GUARD
SDI 6.26 · 5.7"
 —
Mar 19, 5:00 AM 28.6°F 75% ON THAW_GUARD
SDI 5.29 · 4.8"
 ON THAW_GUARD
SDI 6.14 · 5.7"
 ON THAW_GUARD
SDI 6.19 · 5.6"
 ON THAW_GUARD
SDI 6.29 · 5.7"
 —
Mar 19, 4:00 AM 29.4°F 100% ON THAW_GUARD
SDI 5.32 · 4.8"
 ON THAW_GUARD
SDI 6.17 · 5.7"
 ON THAW_GUARD
SDI 6.22 · 5.6"
 ON THAW_GUARD
SDI 6.32 · 5.7"
 —
Mar 19, 3:00 AM 31.3°F 67% ON THAW_GUARD
SDI 5.35 · 4.8"
 ON THAW_GUARD
SDI 6.2 · 5.7"
 ON THAW_GUARD
SDI 6.25 · 5.7"
 ON THAW_GUARD
SDI 6.35 · 5.8"
 —
Mar 19, 2:00 AM 32°F 18% ON THAW_GUARD
SDI 5.38 · 4.8"
 ON THAW_GUARD
SDI 6.23 · 5.8"
 ON THAW_GUARD
SDI 6.29 · 5.7"
 ON THAW_GUARD
SDI 6.38 · 5.8"
 —
Mar 19, 1:00 AM 32.1°F 34% ON THAW_GUARD
SDI 5.41 · 4.9"
 ON THAW_GUARD
SDI 6.26 · 5.8"
 ON THAW_GUARD
SDI 6.32 · 5.7"
 ON THAW_GUARD
SDI 6.41 · 5.8"
 —
Mar 19, 12:00 AM 32.1°F 0% ON THAW_GUARD
SDI 5.46 · 4.9"
 ON THAW_GUARD
SDI 6.32 · 5.8"
 ON THAW_GUARD
SDI 6.38 · 5.8"
 ON THAW_GUARD
SDI 6.46 · 5.9"
 —

Timestamps in America/Chicago (CT). Run php cron.php to force an update.