| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.96 | 2.92 | 0.04 |
| Feb | 2.24 | 2.14 | 0.10 |
| Mar | 3.12 | 2.97 | 0.15 |
| Apr | 3.01 | 2.89 | 0.12 |
| May | 4.83 | 4.67 | 0.16 |
| Jun | 3.34 | 3.06 | 0.28 |
| Jul | 2.15 | 1.77 | 0.38 |
| Aug | 3.04 | 2.67 | 0.37 |
| Sep | 3.20 | 3.08 | 0.12 |
| Oct | 4.42 | 4.24 | 0.18 |
| Nov | 3.17 | 3.07 | 0.10 |
| Dec | 3.22 | 3.21 | 0.01 |
38.70 | 36.69 | 2.01 |