| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.73 | -0.03 |
| Feb | 0.81 | 0.82 | -0.01 |
| Mar | 1.47 | 1.56 | -0.09 |
| Apr | 2.68 | 2.71 | -0.03 |
| May | 3.97 | 4.01 | -0.04 |
| Jun | 4.22 | 4.21 | 0.01 |
| Jul | 4.05 | 4.05 | 0.00 |
| Aug | 3.88 | 4.01 | -0.13 |
| Sep | 3.10 | 3.14 | -0.04 |
| Oct | 2.71 | 2.71 | 0.00 |
| Nov | 1.45 | 1.51 | -0.06 |
| Dec | 0.98 | 1.04 | -0.06 |
30.02 | 30.50 | -0.48 |