| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.57 | 1.52 | 0.05 |
| Feb | 1.86 | 1.86 | 0.00 |
| Mar | 2.91 | 2.87 | 0.04 |
| Apr | 3.86 | 3.89 | -0.03 |
| May | 5.40 | 5.31 | 0.09 |
| Jun | 4.74 | 4.87 | -0.13 |
| Jul | 3.75 | 3.52 | 0.23 |
| Aug | 3.42 | 3.22 | 0.20 |
| Sep | 4.19 | 3.98 | 0.21 |
| Oct | 3.57 | 3.43 | 0.14 |
| Nov | 2.38 | 2.25 | 0.13 |
| Dec | 2.19 | 2.17 | 0.02 |
39.84 | 38.89 | 0.95 |