| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.65 | 2.63 | 0.02 |
| Feb | 2.19 | 2.20 | -0.01 |
| Mar | 3.30 | 3.19 | 0.11 |
| Apr | 3.21 | 3.23 | -0.02 |
| May | 4.17 | 3.97 | 0.20 |
| Jun | 4.23 | 4.06 | 0.17 |
| Jul | 4.21 | 3.87 | 0.34 |
| Aug | 3.65 | 3.75 | -0.10 |
| Sep | 3.98 | 3.80 | 0.18 |
| Oct | 2.71 | 2.43 | 0.28 |
| Nov | 2.56 | 2.54 | 0.02 |
| Dec | 2.85 | 2.88 | -0.03 |
39.71 | 38.55 | 1.16 |