| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.27 | 3.44 | -0.17 |
| Feb | 2.87 | 3.09 | -0.22 |
| Mar | 3.64 | 3.71 | -0.07 |
| Apr | 4.11 | 4.21 | -0.10 |
| May | 3.55 | 3.62 | -0.07 |
| Jun | 4.60 | 4.67 | -0.07 |
| Jul | 3.51 | 3.79 | -0.28 |
| Aug | 3.73 | 3.66 | 0.07 |
| Sep | 3.75 | 3.71 | 0.04 |
| Oct | 5.11 | 5.26 | -0.15 |
| Nov | 4.18 | 4.23 | -0.05 |
| Dec | 4.12 | 4.31 | -0.19 |
46.44 | 47.70 | -1.26 |