| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.57 | 1.58 | -0.01 |
| Feb | 1.79 | 1.71 | 0.08 |
| Mar | 2.52 | 2.37 | 0.15 |
| Apr | 2.33 | 2.30 | 0.03 |
| May | 4.19 | 4.14 | 0.05 |
| Jun | 3.05 | 2.99 | 0.06 |
| Jul | 1.87 | 2.06 | -0.19 |
| Aug | 2.27 | 2.21 | 0.06 |
| Sep | 3.32 | 3.05 | 0.27 |
| Oct | 2.90 | 2.84 | 0.06 |
| Nov | 2.16 | 2.17 | -0.01 |
| Dec | 1.72 | 1.84 | -0.12 |
29.69 | 29.26 | 0.43 |