| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.59 | 2.79 | -0.20 |
| Feb | 2.14 | 2.34 | -0.20 |
| Mar | 2.98 | 3.08 | -0.10 |
| Apr | 4.64 | 4.82 | -0.18 |
| May | 4.45 | 4.50 | -0.05 |
| Jun | 4.95 | 5.08 | -0.13 |
| Jul | 4.17 | 4.25 | -0.08 |
| Aug | 2.85 | 2.88 | -0.03 |
| Sep | 3.04 | 2.99 | 0.05 |
| Oct | 3.59 | 3.63 | -0.04 |
| Nov | 3.53 | 3.69 | -0.16 |
| Dec | 2.52 | 2.70 | -0.18 |
41.45 | 42.75 | -1.30 |