| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.21 | 1.25 | -0.04 |
| Feb | 1.07 | 1.08 | -0.01 |
| Mar | 1.78 | 1.68 | 0.10 |
| Apr | 3.12 | 3.16 | -0.04 |
| May | 3.60 | 3.53 | 0.07 |
| Jun | 4.47 | 4.41 | 0.06 |
| Jul | 3.85 | 3.71 | 0.14 |
| Aug | 3.59 | 3.54 | 0.05 |
| Sep | 3.07 | 2.98 | 0.09 |
| Oct | 2.78 | 2.81 | -0.03 |
| Nov | 1.98 | 1.80 | 0.18 |
| Dec | 1.40 | 1.35 | 0.05 |
31.92 | 31.30 | 0.62 |