| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.93 | -0.17 |
| Feb | 0.79 | 0.88 | -0.09 |
| Mar | 1.60 | 1.72 | -0.12 |
| Apr | 2.89 | 3.14 | -0.25 |
| May | 4.16 | 4.25 | -0.09 |
| Jun | 4.54 | 4.71 | -0.17 |
| Jul | 4.21 | 4.49 | -0.28 |
| Aug | 4.52 | 4.34 | 0.18 |
| Sep | 3.31 | 3.31 | 0.00 |
| Oct | 2.78 | 2.90 | -0.12 |
| Nov | 1.58 | 1.71 | -0.13 |
| Dec | 1.08 | 1.29 | -0.21 |
32.22 | 33.67 | -1.45 |