| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.52 | 0.52 | 0.00 |
| Feb | 0.58 | 0.57 | 0.01 |
| Mar | 0.98 | 0.97 | 0.01 |
| Apr | 1.69 | 1.60 | 0.09 |
| May | 3.14 | 3.28 | -0.14 |
| Jun | 3.68 | 3.78 | -0.10 |
| Jul | 3.42 | 3.23 | 0.19 |
| Aug | 2.52 | 2.42 | 0.10 |
| Sep | 2.31 | 2.31 | 0.00 |
| Oct | 1.86 | 1.91 | -0.05 |
| Nov | 0.67 | 0.69 | -0.02 |
| Dec | 0.62 | 0.65 | -0.03 |
21.99 | 21.93 | 0.06 |