Mean air temp
8.3°C
↑ +0.6°C vs 5yApr 20May 4May 20
30d avg 8.3°C·Peak 14.1°C on May 12
Trends
Galgorm Castle Golf Club·Apr 20 – May 20, 2026
8,784 hourly observations · 30 daily rollups
GDD accumulator
342GDD
↑ +28 vs 5yApr 20May 4May 20
Base 10°C·Started Apr 1
Rainfall total
65mm
↓ −23% vs 5yApr 20May 4May 20
30d total 65 mm·Wettest Apr 28 (18 mm)
Days > 25°C
0days
5y avg 1.2Apr 20May 4May 20
Hottest 22.3°C on May 8·Threshold 25°C
ET total
48mm
Daily avg 1.6 mmApr 20May 4May 20
Peak day 3.2 mm on Apr 30·Method Penman-Monteith
Dollar Spot pressure
78%High
↑ +12 ppApr 20May 4May 20
30d avg 42%·Peak 91% on Apr 30
Brown Patch pressure
34%Low
30d avg 28%Apr 20May 4May 20
30d avg 28%·Peak 51% on May 18
Pythium pressure
15%Low
30d avg 12%Apr 20May 4May 20
30d avg 12%·Peak 23% on May 19
Microdochium pressure
52%Mod
30d avg 44%Apr 20May 4May 20
30d avg 44%·Peak 67% on Apr 25
High-severity days
9daysHigh
Dollar Spot 6 · Micro 3Apr 20May 4May 20
Dollar Spot 6·Microdochium 3
Greens speed
10.4ft
↑ +0.3 vs targetApr 20May 4May 20
Target 10.0 ft·Range 9.8–10.9
Firmness 14d avg
73
↓ −3 vs baselineApr 20May 4May 20
Baseline 76·Range 68–79
VWC mean (greens)
22%
↓ −2 pp vs targetApr 20May 4May 20
Target 24%·Range 18–27%
Smoothness + trueness
8.6
↑ +0.2Apr 20May 4May 20
Smooth 8.7·True 8.5
Deviations opened
14opened
11 resolvedApr 20May 4May 20
Open now 3·Acknowledged 12
Spray applications
7apps
Avg interval 4.3dApr 20May 4May 20
Last May 18 (Daconil)·Total AI 4 actives
Mow days
21days
9 skippedApr 20May 4May 20
Skipped rain (6) · event (3)
Aerification events
1event
Next Sep 9Apr 20May 4May 20
Last Apr 14 (needle-tine, greens)·Next Sep 9
Tasks done
87%
156 / 179Apr 20May 4May 20
Done 156·Proposed 179