| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.57 | 2.47 | 0.10 |
| Feb | 2.11 | 2.13 | -0.02 |
| Mar | 2.69 | 2.53 | 0.16 |
| Apr | 3.85 | 3.65 | 0.20 |
| May | 4.27 | 4.11 | 0.16 |
| Jun | 4.56 | 4.43 | 0.13 |
| Jul | 4.55 | 4.59 | -0.04 |
| Aug | 4.15 | 4.15 | 0.00 |
| Sep | 3.33 | 3.29 | 0.04 |
| Oct | 3.20 | 3.16 | 0.04 |
| Nov | 2.92 | 2.85 | 0.07 |
| Dec | 2.40 | 2.34 | 0.06 |
40.60 | 39.70 | 0.90 |