| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.50 | 1.51 | -0.01 |
| Feb | 1.90 | 1.85 | 0.05 |
| Mar | 2.89 | 2.85 | 0.04 |
| Apr | 4.26 | 4.21 | 0.05 |
| May | 4.99 | 5.17 | -0.18 |
| Jun | 5.05 | 5.00 | 0.05 |
| Jul | 4.73 | 4.60 | 0.13 |
| Aug | 3.93 | 3.74 | 0.19 |
| Sep | 4.02 | 3.93 | 0.09 |
| Oct | 3.20 | 3.19 | 0.01 |
| Nov | 2.61 | 2.50 | 0.11 |
| Dec | 1.96 | 1.94 | 0.02 |
41.04 | 40.49 | 0.55 |