| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.35 | 0.04 |
| Feb | 2.83 | 2.90 | -0.07 |
| Mar | 3.33 | 3.30 | 0.03 |
| Apr | 3.21 | 3.27 | -0.06 |
| May | 4.95 | 4.72 | 0.23 |
| Jun | 3.96 | 4.12 | -0.16 |
| Jul | 2.39 | 2.17 | 0.22 |
| Aug | 3.39 | 3.23 | 0.16 |
| Sep | 3.67 | 3.64 | 0.03 |
| Oct | 4.71 | 4.60 | 0.11 |
| Nov | 3.76 | 3.80 | -0.04 |
| Dec | 3.39 | 3.45 | -0.06 |
42.98 | 42.55 | 0.43 |