| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.10 | 2.21 | -0.11 |
| Feb | 1.88 | 2.00 | -0.12 |
| Mar | 2.45 | 2.38 | 0.07 |
| Apr | 3.91 | 3.92 | -0.01 |
| May | 4.60 | 4.71 | -0.11 |
| Jun | 4.42 | 4.41 | 0.01 |
| Jul | 3.87 | 4.07 | -0.20 |
| Aug | 4.11 | 4.07 | 0.04 |
| Sep | 3.33 | 3.27 | 0.06 |
| Oct | 3.55 | 3.50 | 0.05 |
| Nov | 2.63 | 2.60 | 0.03 |
| Dec | 2.19 | 2.26 | -0.07 |
39.04 | 39.40 | -0.36 |