| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.14 | 2.11 | 0.03 |
| Feb | 1.99 | 1.92 | 0.07 |
| Mar | 2.67 | 2.68 | -0.01 |
| Apr | 4.10 | 4.02 | 0.08 |
| May | 4.56 | 4.60 | -0.04 |
| Jun | 4.33 | 4.43 | -0.10 |
| Jul | 3.75 | 3.70 | 0.05 |
| Aug | 3.43 | 3.23 | 0.20 |
| Sep | 3.07 | 3.19 | -0.12 |
| Oct | 3.19 | 3.14 | 0.05 |
| Nov | 2.95 | 2.92 | 0.03 |
| Dec | 2.10 | 2.17 | -0.07 |
38.28 | 38.11 | 0.17 |