| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.05 | 3.41 | -0.36 |
| Feb | 2.71 | 2.86 | -0.15 |
| Mar | 4.06 | 4.26 | -0.20 |
| Apr | 3.40 | 3.51 | -0.11 |
| May | 3.30 | 3.53 | -0.23 |
| Jun | 4.24 | 4.23 | 0.01 |
| Jul | 4.62 | 4.52 | 0.10 |
| Aug | 4.43 | 4.61 | -0.18 |
| Sep | 3.98 | 4.06 | -0.08 |
| Oct | 3.73 | 3.96 | -0.23 |
| Nov | 3.13 | 3.15 | -0.02 |
| Dec | 3.89 | 4.19 | -0.30 |
44.54 | 46.29 | -1.75 |