| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.06 | 2.19 | -0.13 |
| Feb | 1.89 | 1.97 | -0.08 |
| Mar | 2.61 | 2.60 | 0.01 |
| Apr | 3.85 | 3.73 | 0.12 |
| May | 4.52 | 4.45 | 0.07 |
| Jun | 4.18 | 4.22 | -0.04 |
| Jul | 4.16 | 4.19 | -0.03 |
| Aug | 3.37 | 3.42 | -0.05 |
| Sep | 3.15 | 3.21 | -0.06 |
| Oct | 3.32 | 3.19 | 0.13 |
| Nov | 2.83 | 2.80 | 0.03 |
| Dec | 2.18 | 2.24 | -0.06 |
38.12 | 38.21 | -0.09 |