| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.98 | -0.18 |
| Feb | 0.79 | 0.97 | -0.18 |
| Mar | 1.64 | 1.76 | -0.12 |
| Apr | 2.93 | 3.05 | -0.12 |
| May | 4.15 | 4.21 | -0.06 |
| Jun | 4.68 | 4.89 | -0.21 |
| Jul | 4.22 | 4.28 | -0.06 |
| Aug | 4.57 | 4.40 | 0.17 |
| Sep | 3.36 | 3.27 | 0.09 |
| Oct | 2.69 | 2.84 | -0.15 |
| Nov | 1.57 | 1.73 | -0.16 |
| Dec | 1.14 | 1.35 | -0.21 |
32.54 | 33.73 | -1.19 |