| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.73 | 2.71 | 0.02 |
| Feb | 2.22 | 2.26 | -0.04 |
| Mar | 3.05 | 2.86 | 0.19 |
| Apr | 3.91 | 3.89 | 0.02 |
| May | 4.26 | 4.23 | 0.03 |
| Jun | 4.65 | 4.55 | 0.10 |
| Jul | 3.87 | 4.19 | -0.32 |
| Aug | 3.56 | 3.63 | -0.07 |
| Sep | 3.01 | 3.08 | -0.07 |
| Oct | 2.90 | 2.75 | 0.15 |
| Nov | 3.15 | 3.10 | 0.05 |
| Dec | 2.64 | 2.61 | 0.03 |
39.95 | 39.86 | 0.09 |