| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.97 | -0.16 |
| Feb | 0.80 | 0.98 | -0.18 |
| Mar | 1.63 | 1.78 | -0.15 |
| Apr | 2.92 | 3.05 | -0.13 |
| May | 4.11 | 4.31 | -0.20 |
| Jun | 4.73 | 4.94 | -0.21 |
| Jul | 4.15 | 4.40 | -0.25 |
| Aug | 4.54 | 4.48 | 0.06 |
| Sep | 3.34 | 3.33 | 0.01 |
| Oct | 2.65 | 2.78 | -0.13 |
| Nov | 1.55 | 1.70 | -0.15 |
| Dec | 1.16 | 1.34 | -0.18 |
32.39 | 34.06 | -1.67 |