| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.52 | 2.70 | -0.18 |
| Feb | 2.18 | 2.24 | -0.06 |
| Mar | 2.61 | 2.76 | -0.15 |
| Apr | 3.68 | 3.78 | -0.10 |
| May | 4.15 | 4.13 | 0.02 |
| Jun | 4.18 | 4.21 | -0.03 |
| Jul | 4.08 | 4.06 | 0.02 |
| Aug | 3.42 | 3.51 | -0.09 |
| Sep | 3.02 | 3.01 | 0.01 |
| Oct | 2.80 | 2.79 | 0.01 |
| Nov | 2.77 | 2.88 | -0.11 |
| Dec | 2.49 | 2.60 | -0.11 |
37.90 | 38.67 | -0.77 |