| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.48 | 0.53 | -0.05 |
| Feb | 0.70 | 0.75 | -0.05 |
| Mar | 1.24 | 1.33 | -0.09 |
| Apr | 1.91 | 2.01 | -0.10 |
| May | 3.46 | 3.66 | -0.20 |
| Jun | 2.99 | 3.12 | -0.13 |
| Jul | 3.56 | 3.74 | -0.18 |
| Aug | 2.92 | 3.08 | -0.16 |
| Sep | 1.67 | 1.88 | -0.21 |
| Oct | 1.58 | 1.63 | -0.05 |
| Nov | 0.78 | 0.84 | -0.06 |
| Dec | 0.70 | 0.83 | -0.13 |
21.99 | 23.40 | -1.41 |