| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.62 | -0.04 |
| Feb | 0.83 | 0.80 | 0.03 |
| Mar | 1.47 | 1.46 | 0.01 |
| Apr | 2.94 | 2.97 | -0.03 |
| May | 3.85 | 3.78 | 0.07 |
| Jun | 4.59 | 4.43 | 0.16 |
| Jul | 3.38 | 3.39 | -0.01 |
| Aug | 3.35 | 3.35 | 0.00 |
| Sep | 2.98 | 2.85 | 0.13 |
| Oct | 2.30 | 2.29 | 0.01 |
| Nov | 1.21 | 1.25 | -0.04 |
| Dec | 0.85 | 0.88 | -0.03 |
28.33 | 28.07 | 0.26 |