| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.79 | -0.08 |
| Feb | 0.91 | 0.99 | -0.08 |
| Mar | 1.84 | 1.93 | -0.09 |
| Apr | 2.72 | 2.92 | -0.20 |
| May | 2.80 | 3.24 | -0.44 |
| Jun | 1.88 | 1.96 | -0.08 |
| Jul | 1.84 | 1.78 | 0.06 |
| Aug | 1.73 | 1.75 | -0.02 |
| Sep | 1.53 | 2.03 | -0.50 |
| Oct | 1.37 | 1.58 | -0.21 |
| Nov | 1.06 | 1.12 | -0.06 |
| Dec | 0.71 | 0.79 | -0.08 |
19.10 | 20.88 | -1.78 |