| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.62 | 2.68 | -0.06 |
| Feb | 2.09 | 2.18 | -0.09 |
| Mar | 2.59 | 2.75 | -0.16 |
| Apr | 3.22 | 3.14 | 0.08 |
| May | 3.61 | 3.67 | -0.06 |
| Jun | 4.16 | 4.29 | -0.13 |
| Jul | 4.08 | 4.60 | -0.52 |
| Aug | 4.18 | 3.95 | 0.23 |
| Sep | 3.43 | 3.46 | -0.03 |
| Oct | 3.91 | 4.03 | -0.12 |
| Nov | 2.90 | 2.79 | 0.11 |
| Dec | 3.16 | 3.15 | 0.01 |
39.95 | 40.69 | -0.74 |