| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.60 | 2.66 | -0.06 |
| Feb | 2.83 | 2.79 | 0.04 |
| Mar | 3.75 | 3.57 | 0.18 |
| Apr | 3.59 | 3.70 | -0.11 |
| May | 4.69 | 4.30 | 0.39 |
| Jun | 4.06 | 3.87 | 0.19 |
| Jul | 2.01 | 2.26 | -0.25 |
| Aug | 2.46 | 2.43 | 0.03 |
| Sep | 3.20 | 3.22 | -0.02 |
| Oct | 4.64 | 4.67 | -0.03 |
| Nov | 2.95 | 2.94 | 0.01 |
| Dec | 3.17 | 3.20 | -0.03 |
39.95 | 39.61 | 0.34 |