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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: 3.1 in
SDI: 3.42  ·  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 19, 9:00 PM CT
EAST (E, 100 ft)
ZIP 54801
ON THAW_GUARD
Est. snow depth: 4.2 in
SDI: 4.53  ·  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 19, 9:00 PM CT
NORTH (N, 100 ft)
ZIP 54801
ON THAW_GUARD
Est. snow depth: 4.2 in
SDI: 4.67  ·  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 19, 9:00 PM CT
WEST (W, 100 ft)
ZIP 54801
ON THAW_GUARD
Est. snow depth: 4.1 in
SDI: 4.57  ·  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 19, 9:00 PM CT

SDI & Conditions (Last 24h)

MeltLogic — SDI Accumulation (Last 24h)
Spooner, WI (54801)  ·  CT times  ·  Generated 2026-03-20 02:15 UTC
Conditions & Multipliers (Last 24h)
Temperature · Liquid equivalent precip · Season / Orientation / Rain / Decay multipliers

Savings + Carbon

Baseline kWh
1010.63
MeltLogic kWh
309
Energy saved
701.63 kWh
Cost avoided (@ $0.15/kWh)
$105.24
CO₂ avoided (@ 0.7 lbs/kWh)
491.14 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 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"
 —
Mar 19, 6:00 PM 52.3°F 100% OFF OFF
SDI 3.58 · 3.2"
 OFF OFF
SDI 4.69 · 4.3"
 OFF OFF
SDI 4.85 · 4.4"
 OFF OFF
SDI 4.73 · 4.3"
 —
Mar 19, 5:00 PM 53.2°F 100% OFF OFF
SDI 3.81 · 3.4"
 OFF OFF
SDI 4.94 · 4.6"
 OFF OFF
SDI 5.12 · 4.6"
 OFF OFF
SDI 4.98 · 4.5"
 —
Mar 19, 4:00 PM 53.2°F 16% OFF OFF
SDI 4.04 · 3.6"
 OFF OFF
SDI 5.18 · 4.8"
 OFF OFF
SDI 5.38 · 4.9"
 OFF OFF
SDI 5.22 · 4.7"
 —
Mar 19, 3:00 PM 49.8°F 7% ON THAW_GUARD
SDI 4.53 · 4.1"
 ON THAW_GUARD
SDI 5.54 · 5.1"
 ON THAW_GUARD
SDI 5.68 · 5.2"
 ON THAW_GUARD
SDI 5.63 · 5.1"
 —
Mar 19, 2:00 PM 47.8°F 9% ON THAW_GUARD
SDI 4.63 · 4.2"
 ON THAW_GUARD
SDI 5.63 · 5.2"
 ON THAW_GUARD
SDI 5.74 · 5.2"
 ON THAW_GUARD
SDI 5.72 · 5.2"
 —
Mar 19, 1:00 PM 45.8°F 28% ON THAW_GUARD
SDI 4.74 · 4.3"
 ON THAW_GUARD
SDI 5.71 · 5.3"
 ON THAW_GUARD
SDI 5.81 · 5.3"
 ON THAW_GUARD
SDI 5.81 · 5.3"
 —
Mar 19, 12:00 PM 42.9°F 5% ON THAW_GUARD
SDI 4.84 · 4.3"
 ON THAW_GUARD
SDI 5.78 · 5.3"
 ON THAW_GUARD
SDI 5.88 · 5.3"
 ON THAW_GUARD
SDI 5.89 · 5.3"
 —

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