| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.34 | 3.47 | -0.13 |
| Feb | 3.01 | 2.99 | 0.02 |
| Mar | 3.81 | 3.71 | 0.10 |
| Apr | 4.11 | 4.18 | -0.07 |
| May | 3.58 | 3.58 | 0.00 |
| Jun | 4.40 | 4.39 | 0.01 |
| Jul | 3.42 | 3.42 | 0.00 |
| Aug | 3.45 | 3.55 | -0.10 |
| Sep | 3.92 | 3.88 | 0.04 |
| Oct | 5.14 | 5.32 | -0.18 |
| Nov | 4.31 | 4.38 | -0.07 |
| Dec | 4.18 | 4.36 | -0.18 |
46.67 | 47.23 | -0.56 |