| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.93 | 2.68 | 0.25 |
| Feb | 2.46 | 2.24 | 0.22 |
| Mar | 3.52 | 3.14 | 0.38 |
| Apr | 3.50 | 3.32 | 0.18 |
| May | 4.33 | 3.92 | 0.41 |
| Jun | 4.54 | 4.20 | 0.34 |
| Jul | 4.42 | 3.94 | 0.48 |
| Aug | 3.79 | 3.70 | 0.09 |
| Sep | 4.12 | 4.10 | 0.02 |
| Oct | 2.92 | 2.73 | 0.19 |
| Nov | 2.86 | 2.70 | 0.16 |
| Dec | 3.10 | 2.93 | 0.17 |
42.49 | 39.60 | 2.89 |