| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.95 | 2.11 | -0.16 |
| Feb | 1.82 | 1.97 | -0.15 |
| Mar | 2.27 | 2.28 | -0.01 |
| Apr | 3.76 | 3.84 | -0.08 |
| May | 4.50 | 4.62 | -0.12 |
| Jun | 4.41 | 4.35 | 0.06 |
| Jul | 3.75 | 3.64 | 0.11 |
| Aug | 3.86 | 4.02 | -0.16 |
| Sep | 3.27 | 3.24 | 0.03 |
| Oct | 3.34 | 3.46 | -0.12 |
| Nov | 2.45 | 2.60 | -0.15 |
| Dec | 2.10 | 2.22 | -0.12 |
37.48 | 38.35 | -0.87 |