| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.52 | -0.07 |
| Feb | 0.69 | 0.75 | -0.06 |
| Mar | 1.19 | 1.33 | -0.14 |
| Apr | 2.70 | 2.89 | -0.19 |
| May | 3.90 | 4.14 | -0.24 |
| Jun | 3.98 | 4.34 | -0.36 |
| Jul | 3.23 | 3.23 | 0.00 |
| Aug | 2.85 | 2.81 | 0.04 |
| Sep | 2.18 | 2.22 | -0.04 |
| Oct | 1.84 | 1.90 | -0.06 |
| Nov | 0.70 | 0.79 | -0.09 |
| Dec | 0.57 | 0.63 | -0.06 |
24.28 | 25.55 | -1.27 |