| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.16 | 4.20 | -0.04 |
| Feb | 3.72 | 3.84 | -0.12 |
| Mar | 4.57 | 4.55 | 0.02 |
| Apr | 3.64 | 3.61 | 0.03 |
| May | 3.56 | 3.53 | 0.03 |
| Jun | 4.18 | 4.04 | 0.14 |
| Jul | 3.72 | 3.86 | -0.14 |
| Aug | 4.10 | 4.27 | -0.17 |
| Sep | 3.67 | 3.60 | 0.07 |
| Oct | 3.25 | 3.31 | -0.06 |
| Nov | 3.58 | 3.73 | -0.15 |
| Dec | 4.29 | 4.49 | -0.20 |
46.44 | 47.03 | -0.59 |