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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: 2.7 in
SDI: 3.06  ·  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, 4:00 AM CT
EAST (E, 100 ft)
ZIP 54801
ON THAW_GUARD
Est. snow depth: 3.8 in
SDI: 4.15  ·  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, 4:00 AM CT
NORTH (N, 100 ft)
ZIP 54801
ON THAW_GUARD
Est. snow depth: 3.9 in
SDI: 4.26  ·  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, 4:00 AM CT
WEST (W, 100 ft)
ZIP 54801
ON THAW_GUARD
Est. snow depth: 3.8 in
SDI: 4.19  ·  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, 4:00 AM CT

SDI & Conditions (Last 24h)

MeltLogic — SDI Accumulation (Last 24h)
Spooner, WI (54801)  ·  CT times  ·  Generated 2026-03-20 09:20 UTC
Conditions & Multipliers (Last 24h)
Temperature · Liquid equivalent precip · Season / Orientation / Rain / Decay multipliers

Savings + Carbon

Baseline kWh
1019.63
MeltLogic kWh
330
Energy saved
689.63 kWh
Cost avoided (@ $0.15/kWh)
$103.44
CO₂ avoided (@ 0.7 lbs/kWh)
482.74 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, 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"
 —
Mar 20, 12:00 AM 46.9°F 92% ON THAW_GUARD
SDI 3.27 · 2.9"
 ON THAW_GUARD
SDI 4.37 · 4"
 ON THAW_GUARD
SDI 4.5 · 4.1"
 ON THAW_GUARD
SDI 4.41 · 4"
 —
Mar 19, 11:00 PM 44.4°F 84% ON THAW_GUARD
SDI 3.32 · 3"
 ON THAW_GUARD
SDI 4.42 · 4.1"
 ON THAW_GUARD
SDI 4.56 · 4.1"
 ON THAW_GUARD
SDI 4.46 · 4.1"
 —
Mar 19, 10:00 PM 42.1°F 87% ON THAW_GUARD
SDI 3.37 · 3"
 ON THAW_GUARD
SDI 4.48 · 4.1"
 ON THAW_GUARD
SDI 4.62 · 4.2"
 ON THAW_GUARD
SDI 4.52 · 4.1"
 —
Mar 19, 9:00 PM 41.5°F 9% ON THAW_GUARD
SDI 3.42 · 3.1"
 ON THAW_GUARD
SDI 4.53 · 4.2"
 ON THAW_GUARD
SDI 4.67 · 4.2"
 ON THAW_GUARD
SDI 4.57 · 4.2"
 —
Mar 19, 8:00 PM 43.4°F 4% ON THAW_GUARD
SDI 3.47 · 3.1"
 ON THAW_GUARD
SDI 4.58 · 4.2"
 ON THAW_GUARD
SDI 4.73 · 4.3"
 ON THAW_GUARD
SDI 4.62 · 4.2"
 —
Mar 19, 7:00 PM 49.1°F 100% ON THAW_GUARD
SDI 3.53 · 3.2"
 ON THAW_GUARD
SDI 4.64 · 4.3"
 ON THAW_GUARD
SDI 4.79 · 4.4"
 ON THAW_GUARD
SDI 4.68 · 4.2"
 —

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