| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.65 | 4.68 | -0.03 |
| Feb | 4.79 | 4.76 | 0.03 |
| Mar | 5.02 | 5.02 | 0.00 |
| Apr | 4.13 | 4.20 | -0.07 |
| May | 3.53 | 3.38 | 0.15 |
| Jun | 4.26 | 4.17 | 0.09 |
| Jul | 4.94 | 4.57 | 0.37 |
| Aug | 4.10 | 4.29 | -0.19 |
| Sep | 3.73 | 3.57 | 0.16 |
| Oct | 3.19 | 3.33 | -0.14 |
| Nov | 3.98 | 3.96 | 0.02 |
| Dec | 4.82 | 4.83 | -0.01 |
51.14 | 50.76 | 0.38 |