Maunakea Weather Center

MKWC Forecaster Fog Statistics
Select Variable: Fog | Temperature | Precipitable Water | Seeing
Select Forecast Night: Night-1 | Night-2 | Night-3 | Night-4 | Night-5
% Chance Num. of Times Observed Num. of Times this % Forecasted Forecaster's %
0 641 12152 5
5 34 249 14
10 158 824 19
15 45 235 19
20 171 643 27
25 216 642 34
30 154 455 34
35 11 43 26
40 228 554 41
45 1 1 100
50 326 678 48
55 6 10 60
60 387 705 55
65 86 178 48
70 30 62 48
75 566 932 61
80 102 145 70
85 24 26 92
90 820 1030 80
95 292 320 91
100 528 563 94

Observed Not Observed
Forecasted 528 (H) 35 (F)
Not Forecasted 641 (M) 11511 (Z)

Skill Stats
Proportion of Perfect FCSTS (PPF)0.95
Probability of Detection (POD)0.45
False Alarm Rate (FAR)0.003
Frequency Bias Index (FBI)0.48

PPF = (H+Z)/(H+F+M+Z)FAR = F/(F+Z)
FBI = (H+F)/(H+M)POD = H/(H+M)

Fog Stats last updated on: Wed, May 14 2025 - 1903 UTC