| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.05 | 3.06 | -0.01 |
| Feb | 3.00 | 2.97 | 0.03 |
| Mar | 3.47 | 3.57 | -0.10 |
| Apr | 3.65 | 3.78 | -0.13 |
| May | 3.68 | 3.55 | 0.13 |
| Jun | 4.20 | 4.25 | -0.05 |
| Jul | 3.98 | 3.78 | 0.20 |
| Aug | 3.92 | 3.80 | 0.12 |
| Sep | 3.74 | 3.65 | 0.09 |
| Oct | 4.70 | 4.84 | -0.14 |
| Nov | 3.67 | 3.70 | -0.03 |
| Dec | 4.02 | 4.27 | -0.25 |
45.08 | 45.22 | -0.14 |