| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.60 | 2.65 | -0.05 |
| Feb | 2.83 | 2.78 | 0.05 |
| Mar | 3.75 | 3.57 | 0.18 |
| Apr | 3.59 | 3.71 | -0.12 |
| May | 4.69 | 4.30 | 0.39 |
| Jun | 4.06 | 3.86 | 0.20 |
| Jul | 2.01 | 2.27 | -0.26 |
| Aug | 2.46 | 2.42 | 0.04 |
| Sep | 3.20 | 3.24 | -0.04 |
| Oct | 4.64 | 4.67 | -0.03 |
| Nov | 2.95 | 2.94 | 0.01 |
| Dec | 3.17 | 3.19 | -0.02 |
39.95 | 39.60 | 0.35 |