| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.94 | 2.89 | 0.05 |
| Feb | 2.28 | 2.26 | 0.02 |
| Mar | 3.06 | 2.98 | 0.08 |
| Apr | 3.11 | 3.00 | 0.11 |
| May | 4.75 | 4.64 | 0.11 |
| Jun | 3.55 | 3.22 | 0.33 |
| Jul | 2.14 | 1.87 | 0.27 |
| Aug | 3.19 | 2.78 | 0.41 |
| Sep | 3.26 | 3.17 | 0.09 |
| Oct | 4.51 | 4.27 | 0.24 |
| Nov | 3.23 | 3.07 | 0.16 |
| Dec | 3.20 | 3.13 | 0.07 |
39.22 | 37.28 | 1.94 |