| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.17 | 4.22 | -0.05 |
| Feb | 3.70 | 3.77 | -0.07 |
| Mar | 4.54 | 4.65 | -0.11 |
| Apr | 4.09 | 4.17 | -0.08 |
| May | 3.90 | 4.00 | -0.10 |
| Jun | 4.23 | 4.14 | 0.09 |
| Jul | 4.11 | 4.32 | -0.21 |
| Aug | 4.49 | 4.64 | -0.15 |
| Sep | 3.88 | 3.91 | -0.03 |
| Oct | 3.49 | 3.68 | -0.19 |
| Nov | 3.72 | 3.92 | -0.20 |
| Dec | 4.38 | 4.76 | -0.38 |
48.70 | 50.18 | -1.48 |