| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.70 | 1.71 | -0.01 |
| Feb | 2.10 | 2.06 | 0.04 |
| Mar | 2.61 | 2.60 | 0.01 |
| Apr | 2.46 | 2.47 | -0.01 |
| May | 4.34 | 4.46 | -0.12 |
| Jun | 3.53 | 3.84 | -0.31 |
| Jul | 1.74 | 1.84 | -0.10 |
| Aug | 2.50 | 2.36 | 0.14 |
| Sep | 2.78 | 2.90 | -0.12 |
| Oct | 3.52 | 3.22 | 0.30 |
| Nov | 2.03 | 2.19 | -0.16 |
| Dec | 1.71 | 1.68 | 0.03 |
31.02 | 31.33 | -0.31 |