| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.95 | -0.18 |
| Feb | 0.78 | 0.89 | -0.11 |
| Mar | 1.61 | 1.73 | -0.12 |
| Apr | 2.90 | 3.14 | -0.24 |
| May | 4.16 | 4.24 | -0.08 |
| Jun | 4.55 | 4.74 | -0.19 |
| Jul | 4.23 | 4.49 | -0.26 |
| Aug | 4.55 | 4.37 | 0.18 |
| Sep | 3.33 | 3.30 | 0.03 |
| Oct | 2.75 | 2.91 | -0.16 |
| Nov | 1.57 | 1.71 | -0.14 |
| Dec | 1.10 | 1.30 | -0.20 |
32.30 | 33.77 | -1.47 |