| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.86 | 3.26 | 0.60 |
| Feb | 2.78 | 2.25 | 0.53 |
| Mar | 2.92 | 2.39 | 0.53 |
| Apr | 2.43 | 2.08 | 0.35 |
| May | 2.18 | 1.80 | 0.38 |
| Jun | 1.63 | 1.43 | 0.20 |
| Jul | 0.91 | 0.77 | 0.14 |
| Aug | 1.03 | 0.81 | 0.22 |
| Sep | 1.62 | 1.41 | 0.21 |
| Oct | 3.20 | 2.55 | 0.65 |
| Nov | 4.55 | 3.80 | 0.75 |
| Dec | 3.86 | 3.27 | 0.59 |
30.97 | 25.82 | 5.15 |