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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: 2.4 in
SDI: 2.68  ·  Orient. mult: 1.65× (Mar)  ·  Season: 1.443×
Decay multiplier: 0.45×  ↑ slower (roof holds snow)
Last report: 6" obs / 4.1" est
Update snow depth:
Last ON: Mar 20, 10:00 AM CT
EAST (E, 100 ft)
ZIP 54801
ON THAW_GUARD
Est. snow depth: 3.5 in
SDI: 3.79  ·  Orient. mult: 1.12× (Mar)  ·  Season: 1.443×
Decay multiplier: 0.47×  ↑ slower (roof holds snow)
Last report: 7" obs / 4.9" est
Update snow depth:
Last ON: Mar 20, 10:00 AM CT
NORTH (N, 100 ft)
ZIP 54801
ON THAW_GUARD
Est. snow depth: 3.5 in
SDI: 3.9  ·  Orient. mult: 0.8× (Mar)  ·  Season: 1.443×
Decay multiplier: 0.51×  ↑ slower (roof holds snow)
Last report: 7" obs / 5.2" est
Update snow depth:
Last ON: Mar 20, 10:00 AM CT
WEST (W, 100 ft)
ZIP 54801
ON THAW_GUARD
Est. snow depth: 3.5 in
SDI: 3.82  ·  Orient. mult: 1.3× (Mar)  ·  Season: 1.443×
Decay multiplier: 0.47×  ↑ slower (roof holds snow)
Last report: 7" obs / 5" est
Update snow depth:
Last ON: Mar 20, 10:00 AM CT

SDI & Conditions (Last 24h)

MeltLogic — SDI Accumulation (Last 24h)
Spooner, WI (54801)  ·  CT times  ·  Generated 2026-03-20 15:24 UTC
Conditions & Multipliers (Last 24h)
Temperature · Liquid equivalent precip · Season / Orientation / Rain / Decay multipliers

Savings + Carbon

Baseline kWh
1031.63
MeltLogic kWh
348
Energy saved
683.63 kWh
Cost avoided (@ $0.15/kWh)
$102.54
CO₂ avoided (@ 0.7 lbs/kWh)
478.54 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
Mar 20, 10:00 AM 48.4°F 52% ON THAW_GUARD
SDI 2.68 · 2.4"
 ON THAW_GUARD
SDI 3.79 · 3.5"
 ON THAW_GUARD
SDI 3.9 · 3.5"
 ON THAW_GUARD
SDI 3.82 · 3.5"
 —
Mar 20, 9:00 AM 45.1°F 34% ON THAW_GUARD
SDI 2.76 · 2.5"
 ON THAW_GUARD
SDI 3.86 · 3.6"
 ON THAW_GUARD
SDI 3.96 · 3.6"
 ON THAW_GUARD
SDI 3.89 · 3.5"
 —
Mar 20, 8:00 AM 41.6°F 97% ON THAW_GUARD
SDI 2.85 · 2.6"
 ON THAW_GUARD
SDI 3.93 · 3.6"
 ON THAW_GUARD
SDI 4.03 · 3.7"
 ON THAW_GUARD
SDI 3.97 · 3.6"
 —
Mar 20, 7:00 AM 38.8°F 100% ON THAW_GUARD
SDI 2.9 · 2.6"
 ON THAW_GUARD
SDI 3.99 · 3.7"
 ON THAW_GUARD
SDI 4.09 · 3.7"
 ON THAW_GUARD
SDI 4.03 · 3.7"
 —
Mar 20, 6:00 AM 39.1°F 100% ON THAW_GUARD
SDI 2.95 · 2.7"
 ON THAW_GUARD
SDI 4.04 · 3.7"
 ON THAW_GUARD
SDI 4.14 · 3.8"
 ON THAW_GUARD
SDI 4.08 · 3.7"
 —
Mar 20, 5:00 AM 39.3°F 100% ON THAW_GUARD
SDI 3.01 · 2.7"
 ON THAW_GUARD
SDI 4.1 · 3.8"
 ON THAW_GUARD
SDI 4.2 · 3.8"
 ON THAW_GUARD
SDI 4.14 · 3.8"
 —
Mar 20, 4:00 AM 41.2°F 100% ON THAW_GUARD
SDI 3.06 · 2.8"
 ON THAW_GUARD
SDI 4.15 · 3.8"
 ON THAW_GUARD
SDI 4.26 · 3.9"
 ON THAW_GUARD
SDI 4.19 · 3.8"
 —
Mar 20, 3:00 AM 42.4°F 34% ON THAW_GUARD
SDI 3.11 · 2.8"
 ON THAW_GUARD
SDI 4.2 · 3.9"
 ON THAW_GUARD
SDI 4.32 · 3.9"
 ON THAW_GUARD
SDI 4.25 · 3.9"
 —
Mar 20, 2:00 AM 44°F 100% ON THAW_GUARD
SDI 3.16 · 2.8"
 ON THAW_GUARD
SDI 4.26 · 3.9"
 ON THAW_GUARD
SDI 4.38 · 4"
 ON THAW_GUARD
SDI 4.3 · 3.9"
 —
Mar 20, 1:00 AM 46.3°F 9% ON THAW_GUARD
SDI 3.21 · 2.9"
 ON THAW_GUARD
SDI 4.31 · 4"
 ON THAW_GUARD
SDI 4.44 · 4"
 ON THAW_GUARD
SDI 4.35 · 4"
 —

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