| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.72 | -0.08 |
| Feb | 3.84 | 3.95 | -0.11 |
| Mar | 4.21 | 4.33 | -0.12 |
| Apr | 3.81 | 4.02 | -0.21 |
| May | 4.36 | 4.58 | -0.22 |
| Jun | 3.91 | 4.01 | -0.10 |
| Jul | 2.80 | 2.80 | 0.00 |
| Aug | 2.67 | 2.65 | 0.02 |
| Sep | 3.51 | 3.35 | 0.16 |
| Oct | 4.71 | 4.76 | -0.05 |
| Nov | 3.72 | 3.84 | -0.12 |
| Dec | 4.35 | 4.54 | -0.19 |
45.53 | 46.55 | -1.02 |