| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.52 | -0.12 |
| Feb | 2.66 | 2.75 | -0.09 |
| Mar | 4.05 | 4.22 | -0.17 |
| Apr | 3.57 | 3.70 | -0.13 |
| May | 3.88 | 4.04 | -0.16 |
| Jun | 4.29 | 4.52 | -0.23 |
| Jul | 4.98 | 4.93 | 0.05 |
| Aug | 4.20 | 4.41 | -0.21 |
| Sep | 4.01 | 4.17 | -0.16 |
| Oct | 4.08 | 4.07 | 0.01 |
| Nov | 3.21 | 3.31 | -0.10 |
| Dec | 4.18 | 4.34 | -0.16 |
46.51 | 47.98 | -1.47 |