☀️ Sunshine Statistics 2021

📍 Location: N 48*33.82' E 016*05.504'

📅 Analysis Date: 2026-01-01 16:21:54

📊 WMO Sunshine Definition: Solar radiation > 120 W/m² with clear-sky ratio > 0.4

📈 Yearly Summary

Total Sunshine Hours: 1540.7 h Average Daily Sunshine: 4.22 h
Sunniest Day: 2021-07-05 (7.92 h) Sunniest Month: Jun (197.5 h)
Least Sunny Month: Dec (17.0 h) Sunshine Percentage: 17.6%
Longest Sunny Streak: 133 days Longest Sunless Streak: 0 days
Sunny Days (any sunshine): 319 days Days with >5h Sunshine: 177 days

📅 Monthly Sunshine Statistics

Comprehensive monthly breakdown of sunshine hours and statistics

Total Sunshine Avg Daily Max Daily Min Daily Sunny Days Days >1h Days >3h Days >5h Sunshine % Avg Radiation
Jan 54.1 1.75 4.80 0.00 24 20 6 0 7.3 26.1
Feb 94.0 3.36 6.37 0.00 21 19 16 13 14.0 51.5
Mar 152.6 4.92 7.38 1.37 31 31 25 17 20.5 88.1
Apr 147.7 4.92 7.22 0.00 29 28 26 17 20.5 124.7
May 153.5 4.95 7.72 0.00 30 29 23 17 20.6 134.0
Jun 197.5 6.58 7.89 3.44 30 30 30 27 27.4 194.1
Jul 191.8 6.19 7.92 0.34 31 30 29 26 25.8 178.5
Aug 156.5 5.05 7.07 1.03 31 31 25 18 21.0 124.3
Sep 158.9 5.30 6.91 0.00 29 28 26 19 22.1 112.3
Oct 155.8 5.02 7.03 0.00 29 29 27 22 20.9 80.2
Nov 61.4 2.05 5.16 0.00 21 18 11 1 8.5 32.0
Dec 17.0 0.55 2.24 0.00 13 11 0 0 2.3 16.9
2021 1540.7 4.22 7.92 0.00 319 304 244 177 17.6 97.1

📊 Monthly Details

Detailed statistics for each month

Jan
Total Sunshine: 54.1 hours Average per Day: 1.75 hours
Sunny Days: 24 of 31 days Days with >5h Sunshine: 0 days
Sunshine Percentage: 7.3% Avg Solar Radiation: 26.1 W/m²
Maximum Daily Sunshine: 4.80 hours Minimum Daily Sunshine: 0.00 hours
Feb
Total Sunshine: 94.0 hours Average per Day: 3.36 hours
Sunny Days: 21 of 28 days Days with >5h Sunshine: 13 days
Sunshine Percentage: 14.0% Avg Solar Radiation: 51.5 W/m²
Maximum Daily Sunshine: 6.37 hours Minimum Daily Sunshine: 0.00 hours
Mar
Total Sunshine: 152.6 hours Average per Day: 4.92 hours
Sunny Days: 31 of 31 days Days with >5h Sunshine: 17 days
Sunshine Percentage: 20.5% Avg Solar Radiation: 88.1 W/m²
Maximum Daily Sunshine: 7.38 hours Minimum Daily Sunshine: 1.37 hours
Apr
Total Sunshine: 147.7 hours Average per Day: 4.92 hours
Sunny Days: 29 of 30 days Days with >5h Sunshine: 17 days
Sunshine Percentage: 20.5% Avg Solar Radiation: 124.7 W/m²
Maximum Daily Sunshine: 7.22 hours Minimum Daily Sunshine: 0.00 hours
May
Total Sunshine: 153.5 hours Average per Day: 4.95 hours
Sunny Days: 30 of 31 days Days with >5h Sunshine: 17 days
Sunshine Percentage: 20.6% Avg Solar Radiation: 134.0 W/m²
Maximum Daily Sunshine: 7.72 hours Minimum Daily Sunshine: 0.00 hours
Jun
Total Sunshine: 197.5 hours Average per Day: 6.58 hours
Sunny Days: 30 of 30 days Days with >5h Sunshine: 27 days
Sunshine Percentage: 27.4% Avg Solar Radiation: 194.1 W/m²
Maximum Daily Sunshine: 7.89 hours Minimum Daily Sunshine: 3.44 hours
Jul
Total Sunshine: 191.8 hours Average per Day: 6.19 hours
Sunny Days: 31 of 31 days Days with >5h Sunshine: 26 days
Sunshine Percentage: 25.8% Avg Solar Radiation: 178.5 W/m²
Maximum Daily Sunshine: 7.92 hours Minimum Daily Sunshine: 0.34 hours
Aug
Total Sunshine: 156.5 hours Average per Day: 5.05 hours
Sunny Days: 31 of 31 days Days with >5h Sunshine: 18 days
Sunshine Percentage: 21.0% Avg Solar Radiation: 124.3 W/m²
Maximum Daily Sunshine: 7.07 hours Minimum Daily Sunshine: 1.03 hours
Sep
Total Sunshine: 158.9 hours Average per Day: 5.30 hours
Sunny Days: 29 of 30 days Days with >5h Sunshine: 19 days
Sunshine Percentage: 22.1% Avg Solar Radiation: 112.3 W/m²
Maximum Daily Sunshine: 6.91 hours Minimum Daily Sunshine: 0.00 hours
Oct
Total Sunshine: 155.8 hours Average per Day: 5.02 hours
Sunny Days: 29 of 31 days Days with >5h Sunshine: 22 days
Sunshine Percentage: 20.9% Avg Solar Radiation: 80.2 W/m²
Maximum Daily Sunshine: 7.03 hours Minimum Daily Sunshine: 0.00 hours
Nov
Total Sunshine: 61.4 hours Average per Day: 2.05 hours
Sunny Days: 21 of 30 days Days with >5h Sunshine: 1 days
Sunshine Percentage: 8.5% Avg Solar Radiation: 32.0 W/m²
Maximum Daily Sunshine: 5.16 hours Minimum Daily Sunshine: 0.00 hours
Dec
Total Sunshine: 17.0 hours Average per Day: 0.55 hours
Sunny Days: 13 of 31 days Days with >5h Sunshine: 0 days
Sunshine Percentage: 2.3% Avg Solar Radiation: 16.9 W/m²
Maximum Daily Sunshine: 2.24 hours Minimum Daily Sunshine: 0.00 hours

🌤️ Sunshine Categories

Distribution of days by sunshine duration categories

☁️ Sunless

Definition: 0 hours of sunshine

Days: 46 days

Percentage: 12.6%

⛅ Very Cloudy

Definition: 0-1 hours of sunshine

Days: 15 days

Percentage: 4.1%

🌥️ Cloudy

Definition: 1-3 hours of sunshine

Days: 60 days

Percentage: 16.4%

🌤️ Partly Sunny

Definition: 3-5 hours of sunshine

Days: 67 days

Percentage: 18.4%

☀️ Sunny

Definition: 5-8 hours of sunshine

Days: 177 days

Percentage: 48.5%

🔥 Very Sunny

Definition: >8 hours of sunshine

Days: 0 days

Percentage: 0.0%

📋 Summary Table

Category Definition Days Percentage
☁️ Sunless 0 hours 46 12.6%
⛅ Very Cloudy 0-1 hours 15 4.1%
🌥️ Cloudy 1-3 hours 60 16.4%
🌤️ Partly Sunny 3-5 hours 67 18.4%
☀️ Sunny 5-8 hours 177 48.5%
🔥 Very Sunny >8 hours 0 0.0%
Total All days 365 100.0%

📊 Key Statistics

📈 Annual Totals

Total Sunshine: 1540.7 hours

Average per Day: 4.22 hours

Sunshine Percentage: 17.6%

🏆 Records

Sunniest Day: 7.92 h
2021-07-05

Sunniest Month: Jun
197.5 hours total

⏱️ Streaks

Longest Sunny Streak: 133 days

Longest Sunless Streak: 0 days

Days with any Sunshine: 319 days

☀️ Quality Days

Days >1h Sunshine: 304 days

Days >3h Sunshine: 244 days

Days >5h Sunshine: 177 days

📄 Report Information

Data Source: Davis Vantage Pro2 weather station with solar radiation sensor

Analysis Method: WMO (World Meteorological Organization) sunshine definition

Calculation: Sunshine is recorded when direct solar irradiance exceeds 120 W/m²

Location Coordinates: N 48*33.82' E 016*05.504'

Generated: 2026-01-01 at 16:21:54

🔍 How to Read This Report