| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.64 | -0.13 |
| Feb | 2.90 | 2.99 | -0.09 |
| Mar | 3.78 | 4.07 | -0.29 |
| Apr | 3.90 | 3.93 | -0.03 |
| May | 3.98 | 4.16 | -0.18 |
| Jun | 4.04 | 4.09 | -0.05 |
| Jul | 4.18 | 4.28 | -0.10 |
| Aug | 4.12 | 4.20 | -0.08 |
| Sep | 4.12 | 4.57 | -0.45 |
| Oct | 3.16 | 3.30 | -0.14 |
| Nov | 3.03 | 3.08 | -0.05 |
| Dec | 3.44 | 3.78 | -0.34 |
44.16 | 46.09 | -1.93 |