| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.72 | 3.78 | -0.06 |
| Feb | 2.82 | 3.00 | -0.18 |
| Mar | 3.02 | 3.11 | -0.09 |
| Apr | 3.55 | 3.66 | -0.11 |
| May | 3.88 | 4.12 | -0.24 |
| Jun | 4.22 | 4.40 | -0.18 |
| Jul | 3.90 | 4.00 | -0.10 |
| Aug | 3.98 | 4.10 | -0.12 |
| Sep | 3.92 | 4.01 | -0.09 |
| Oct | 4.88 | 5.10 | -0.22 |
| Nov | 3.98 | 4.10 | -0.12 |
| Dec | 3.99 | 4.15 | -0.16 |
45.86 | 47.53 | -1.67 |