| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.76 | 3.89 | -0.13 |
| Feb | 3.22 | 3.28 | -0.06 |
| Mar | 3.99 | 4.06 | -0.07 |
| Apr | 3.55 | 3.60 | -0.05 |
| May | 3.47 | 3.35 | 0.12 |
| Jun | 4.01 | 4.13 | -0.12 |
| Jul | 3.71 | 3.88 | -0.17 |
| Aug | 4.10 | 4.20 | -0.10 |
| Sep | 3.62 | 3.78 | -0.16 |
| Oct | 3.13 | 3.05 | 0.08 |
| Nov | 3.23 | 3.31 | -0.08 |
| Dec | 3.78 | 3.90 | -0.12 |
43.57 | 44.43 | -0.86 |