| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.84 | -0.10 |
| Feb | 0.77 | 0.87 | -0.10 |
| Mar | 1.55 | 1.55 | 0.00 |
| Apr | 2.97 | 2.92 | 0.05 |
| May | 4.21 | 4.22 | -0.01 |
| Jun | 4.83 | 4.49 | 0.34 |
| Jul | 4.05 | 4.06 | -0.01 |
| Aug | 4.28 | 4.42 | -0.14 |
| Sep | 3.37 | 3.23 | 0.14 |
| Oct | 2.57 | 2.53 | 0.04 |
| Nov | 1.51 | 1.55 | -0.04 |
| Dec | 1.06 | 1.20 | -0.14 |
31.91 | 31.88 | 0.03 |