| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.23 | 1.25 | -0.02 |
| Feb | 1.53 | 1.67 | -0.14 |
| Mar | 2.46 | 2.50 | -0.04 |
| Apr | 4.06 | 3.94 | 0.12 |
| May | 5.62 | 5.80 | -0.18 |
| Jun | 5.25 | 5.43 | -0.18 |
| Jul | 4.13 | 4.11 | 0.02 |
| Aug | 4.05 | 4.19 | -0.14 |
| Sep | 4.11 | 4.33 | -0.22 |
| Oct | 3.31 | 3.36 | -0.05 |
| Nov | 2.32 | 2.33 | -0.01 |
| Dec | 1.73 | 1.74 | -0.01 |
39.80 | 40.65 | -0.85 |