| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.69 | -0.28 |
| Feb | 2.55 | 2.70 | -0.15 |
| Mar | 2.90 | 3.11 | -0.21 |
| Apr | 3.47 | 3.78 | -0.31 |
| May | 3.76 | 4.06 | -0.30 |
| Jun | 4.05 | 4.18 | -0.13 |
| Jul | 4.42 | 4.65 | -0.23 |
| Aug | 3.89 | 4.05 | -0.16 |
| Sep | 4.44 | 4.64 | -0.20 |
| Oct | 4.75 | 4.89 | -0.14 |
| Nov | 3.76 | 4.05 | -0.29 |
| Dec | 3.96 | 4.17 | -0.21 |
45.36 | 47.97 | -2.61 |