| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.67 | 4.85 | -0.18 |
| Feb | 4.78 | 4.88 | -0.10 |
| Mar | 4.87 | 5.07 | -0.20 |
| Apr | 4.14 | 4.27 | -0.13 |
| May | 3.76 | 3.93 | -0.17 |
| Jun | 4.08 | 4.12 | -0.04 |
| Jul | 4.67 | 4.66 | 0.01 |
| Aug | 3.87 | 3.97 | -0.10 |
| Sep | 3.76 | 4.03 | -0.27 |
| Oct | 3.31 | 3.38 | -0.07 |
| Nov | 4.10 | 4.23 | -0.13 |
| Dec | 4.55 | 4.73 | -0.18 |
50.56 | 52.12 | -1.56 |