| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.66 | -0.04 |
| Feb | 0.70 | 0.74 | -0.04 |
| Mar | 1.46 | 1.56 | -0.10 |
| Apr | 2.69 | 2.69 | 0.00 |
| May | 4.88 | 4.94 | -0.06 |
| Jun | 4.14 | 4.07 | 0.07 |
| Jul | 3.36 | 3.55 | -0.19 |
| Aug | 3.54 | 3.57 | -0.03 |
| Sep | 2.46 | 2.34 | 0.12 |
| Oct | 2.14 | 2.12 | 0.02 |
| Nov | 1.27 | 1.31 | -0.04 |
| Dec | 0.90 | 1.00 | -0.10 |
28.16 | 28.55 | -0.39 |