| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.59 | 1.56 | 0.03 |
| Feb | 1.76 | 1.65 | 0.11 |
| Mar | 2.55 | 2.45 | 0.10 |
| Apr | 2.34 | 2.22 | 0.12 |
| May | 4.14 | 4.02 | 0.12 |
| Jun | 3.13 | 3.03 | 0.10 |
| Jul | 1.91 | 2.01 | -0.10 |
| Aug | 2.31 | 2.20 | 0.11 |
| Sep | 3.38 | 3.16 | 0.22 |
| Oct | 3.02 | 2.96 | 0.06 |
| Nov | 2.12 | 2.13 | -0.01 |
| Dec | 1.68 | 1.78 | -0.10 |
29.93 | 29.17 | 0.76 |