| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.15 | 3.29 | -0.14 |
| Feb | 2.76 | 2.87 | -0.11 |
| Mar | 3.70 | 3.86 | -0.16 |
| Apr | 4.37 | 4.55 | -0.18 |
| May | 4.75 | 4.88 | -0.13 |
| Jun | 4.56 | 4.43 | 0.13 |
| Jul | 4.08 | 4.07 | 0.01 |
| Aug | 3.39 | 3.20 | 0.19 |
| Sep | 3.07 | 3.11 | -0.04 |
| Oct | 3.12 | 3.16 | -0.04 |
| Nov | 2.99 | 3.14 | -0.15 |
| Dec | 3.33 | 3.43 | -0.10 |
43.27 | 43.99 | -0.72 |