| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.23 | 3.33 | -0.10 |
| Feb | 2.75 | 2.78 | -0.03 |
| Mar | 3.43 | 3.47 | -0.04 |
| Apr | 3.65 | 3.57 | 0.08 |
| May | 4.21 | 4.34 | -0.13 |
| Jun | 4.61 | 4.43 | 0.18 |
| Jul | 4.41 | 4.45 | -0.04 |
| Aug | 3.87 | 3.99 | -0.12 |
| Sep | 3.57 | 3.64 | -0.07 |
| Oct | 3.25 | 3.19 | 0.06 |
| Nov | 3.23 | 3.22 | 0.01 |
| Dec | 3.34 | 3.30 | 0.04 |
43.55 | 43.71 | -0.16 |