| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.12 | 3.31 | -0.19 |
| Feb | 2.56 | 2.71 | -0.15 |
| Mar | 3.80 | 3.88 | -0.08 |
| Apr | 3.66 | 3.54 | 0.12 |
| May | 3.62 | 3.69 | -0.07 |
| Jun | 4.27 | 4.45 | -0.18 |
| Jul | 4.50 | 4.52 | -0.02 |
| Aug | 4.26 | 4.07 | 0.19 |
| Sep | 4.61 | 4.81 | -0.20 |
| Oct | 4.23 | 4.42 | -0.19 |
| Nov | 3.19 | 3.20 | -0.01 |
| Dec | 3.66 | 3.72 | -0.06 |
45.48 | 46.32 | -0.84 |