| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.95 | 0.92 | 0.03 |
| Feb | 0.97 | 0.95 | 0.02 |
| Mar | 1.83 | 1.68 | 0.15 |
| Apr | 3.06 | 2.97 | 0.09 |
| May | 4.27 | 4.20 | 0.07 |
| Jun | 5.27 | 5.23 | 0.04 |
| Jul | 4.31 | 4.05 | 0.26 |
| Aug | 4.74 | 4.55 | 0.19 |
| Sep | 3.54 | 3.67 | -0.13 |
| Oct | 2.64 | 2.49 | 0.15 |
| Nov | 1.68 | 1.63 | 0.05 |
| Dec | 1.23 | 1.21 | 0.02 |
34.49 | 33.55 | 0.94 |