| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.02 | 2.09 | -0.07 |
| Feb | 2.11 | 2.10 | 0.01 |
| Mar | 3.18 | 3.31 | -0.13 |
| Apr | 4.78 | 4.88 | -0.10 |
| May | 5.70 | 5.90 | -0.20 |
| Jun | 4.79 | 4.51 | 0.28 |
| Jul | 4.23 | 4.31 | -0.08 |
| Aug | 3.79 | 3.78 | 0.01 |
| Sep | 4.20 | 4.32 | -0.12 |
| Oct | 3.58 | 3.69 | -0.11 |
| Nov | 3.38 | 3.34 | 0.04 |
| Dec | 2.42 | 2.60 | -0.18 |
44.18 | 44.83 | -0.65 |