| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.70 | -0.07 |
| Feb | 0.71 | 0.79 | -0.08 |
| Mar | 1.49 | 1.49 | 0.00 |
| Apr | 2.57 | 2.58 | -0.01 |
| May | 3.61 | 3.59 | 0.02 |
| Jun | 4.65 | 4.65 | 0.00 |
| Jul | 3.71 | 3.57 | 0.14 |
| Aug | 3.96 | 3.77 | 0.19 |
| Sep | 3.05 | 2.96 | 0.09 |
| Oct | 2.27 | 2.20 | 0.07 |
| Nov | 1.25 | 1.24 | 0.01 |
| Dec | 0.85 | 0.93 | -0.08 |
28.75 | 28.47 | 0.28 |