| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.91 | 1.03 | -0.12 |
| Feb | 1.15 | 1.26 | -0.11 |
| Mar | 2.10 | 2.45 | -0.35 |
| Apr | 3.38 | 3.63 | -0.25 |
| May | 2.93 | 3.11 | -0.18 |
| Jun | 2.07 | 2.11 | -0.04 |
| Jul | 2.69 | 2.94 | -0.25 |
| Aug | 2.55 | 2.56 | -0.01 |
| Sep | 1.80 | 1.94 | -0.14 |
| Oct | 1.57 | 1.57 | 0.00 |
| Nov | 1.07 | 1.21 | -0.14 |
| Dec | 0.88 | 1.11 | -0.23 |
23.10 | 24.92 | -1.82 |