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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: 0.5 in
SDI: 1.73  ·  Orient. mult: 1.8× (Apr)  ·  Season: 1.512×
Decay multiplier: 0.45×  ↑ slower (roof holds snow)
Last report: 6" obs / 4.1" est
Update snow depth:
Last ON: Apr 3, 7:00 AM CT
EAST (E, 100 ft)
ZIP 54801
ON THAW_GUARD
Est. snow depth: 0.5 in
SDI: 1.71  ·  Orient. mult: 1.15× (Apr)  ·  Season: 1.512×
Decay multiplier: 0.47×  ↑ slower (roof holds snow)
Last report: 7" obs / 4.9" est
Update snow depth:
Last ON: Apr 3, 7:00 AM CT
NORTH (N, 100 ft)
ZIP 54801
ON THAW_GUARD
Est. snow depth: 0.5 in
SDI: 1.67  ·  Orient. mult: 0.85× (Apr)  ·  Season: 1.512×
Decay multiplier: 0.51×  ↑ slower (roof holds snow)
Last report: 7" obs / 5.2" est
Update snow depth:
Last ON: Apr 3, 7:00 AM CT
WEST (W, 100 ft)
ZIP 54801
ON THAW_GUARD
Est. snow depth: 0.5 in
SDI: 1.71  ·  Orient. mult: 1.35× (Apr)  ·  Season: 1.512×
Decay multiplier: 0.47×  ↑ slower (roof holds snow)
Last report: 7" obs / 5" est
Update snow depth:
Last ON: Apr 3, 7:00 AM CT

SDI & Conditions (Last 24h)

MeltLogic — SDI Accumulation (Last 24h)
Spooner, WI (54801)  ·  CT times  ·  Generated 2026-04-03 12:43 UTC
Conditions & Multipliers (Last 24h)
Temperature · Liquid equivalent precip · Season / Orientation / Rain / Decay multipliers

Savings + Carbon

Baseline kWh
1748.63
MeltLogic kWh
484.5
Energy saved
1264.13 kWh
Cost avoided (@ $0.15/kWh)
$189.62
CO₂ avoided (@ 0.7 lbs/kWh)
884.89 lbs

Tools & Simulators

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SDI Simulator
Model snow depth index scenarios
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Recent Events (last 10 ticks)

Time (CT)TempCloud SouthEastNorthWest Changed
Apr 3, 7:00 AM 27.8°F 100% ON THAW_GUARD
SDI 1.73 · 0.5"
 ON THAW_GUARD
SDI 1.71 · 0.5"
 ON THAW_GUARD
SDI 1.67 · 0.5"
 ON THAW_GUARD
SDI 1.71 · 0.5"
 —
Apr 3, 6:00 AM 28.7°F 100% ON THAW_GUARD
SDI 1.76 · 0.5"
 ON THAW_GUARD
SDI 1.74 · 0.5"
 ON THAW_GUARD
SDI 1.71 · 0.5"
 ON THAW_GUARD
SDI 1.74 · 0.5"
 —
Apr 3, 5:00 AM 27.2°F 100% ON THAW_GUARD
SDI 1.79 · 0.5"
 ON THAW_GUARD
SDI 1.77 · 0.5"
 ON THAW_GUARD
SDI 1.74 · 0.5"
 ON THAW_GUARD
SDI 1.77 · 0.5"
 —
Apr 3, 4:00 AM 28.5°F 100% ON THAW_GUARD
SDI 1.81 · 0.5"
 ON THAW_GUARD
SDI 1.8 · 0.5"
 ON THAW_GUARD
SDI 1.77 · 0.5"
 ON THAW_GUARD
SDI 1.8 · 0.5"
 —
Apr 3, 3:00 AM 29.5°F 100% ON THAW_GUARD
SDI 1.84 · 0.5"
 ON THAW_GUARD
SDI 1.83 · 0.5"
 ON THAW_GUARD
SDI 1.81 · 0.5"
 ON THAW_GUARD
SDI 1.83 · 0.5"
 —
Apr 3, 2:00 AM 29.7°F 100% ON THAW_GUARD
SDI 1.87 · 0.5"
 ON THAW_GUARD
SDI 1.86 · 0.5"
 ON THAW_GUARD
SDI 1.84 · 0.5"
 ON THAW_GUARD
SDI 1.86 · 0.5"
 —
Apr 3, 1:00 AM 29.9°F 100% ON THAW_GUARD
SDI 1.9 · 0.5"
 ON THAW_GUARD
SDI 1.89 · 0.5"
 ON THAW_GUARD
SDI 1.87 · 0.5"
 ON THAW_GUARD
SDI 1.89 · 0.5"
 —
Apr 3, 12:00 AM 30.3°F 100% ON THAW_GUARD
SDI 1.93 · 0.5"
 ON THAW_GUARD
SDI 1.92 · 0.5"
 ON THAW_GUARD
SDI 1.91 · 0.5"
 ON THAW_GUARD
SDI 1.92 · 0.5"
 —
Apr 2, 11:00 PM 30.8°F 100% ON THAW_GUARD
SDI 1.96 · 0.5"
 ON THAW_GUARD
SDI 1.95 · 0.5"
 ON THAW_GUARD
SDI 1.94 · 0.5"
 ON THAW_GUARD
SDI 1.95 · 0.5"
 —
Apr 2, 10:00 PM 30.9°F 100% ON THAW_GUARD
SDI 1.99 · 0.6"
 ON THAW_GUARD
SDI 1.98 · 0.6"
 ON THAW_GUARD
SDI 1.97 · 0.5"
 ON THAW_GUARD
SDI 1.98 · 0.6"
 —

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