| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.11 | 2.02 | 0.09 |
| Feb | 1.83 | 1.76 | 0.07 |
| Mar | 2.43 | 2.48 | -0.05 |
| Apr | 3.63 | 3.50 | 0.13 |
| May | 4.38 | 4.25 | 0.13 |
| Jun | 4.37 | 4.22 | 0.15 |
| Jul | 4.27 | 4.15 | 0.12 |
| Aug | 3.67 | 3.40 | 0.27 |
| Sep | 3.22 | 3.15 | 0.07 |
| Oct | 3.19 | 3.16 | 0.03 |
| Nov | 2.66 | 2.54 | 0.12 |
| Dec | 2.09 | 2.07 | 0.02 |
37.85 | 36.70 | 1.15 |