| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.94 | -0.14 |
| Feb | 0.81 | 0.95 | -0.14 |
| Mar | 1.62 | 1.74 | -0.12 |
| Apr | 2.91 | 3.02 | -0.11 |
| May | 4.15 | 4.32 | -0.17 |
| Jun | 4.82 | 4.98 | -0.16 |
| Jul | 4.20 | 4.31 | -0.11 |
| Aug | 4.54 | 4.67 | -0.13 |
| Sep | 3.24 | 3.33 | -0.09 |
| Oct | 2.63 | 2.73 | -0.10 |
| Nov | 1.57 | 1.68 | -0.11 |
| Dec | 1.13 | 1.28 | -0.15 |
32.42 | 33.95 | -1.53 |