| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.39 | 0.03 |
| Feb | 0.60 | 0.55 | 0.05 |
| Mar | 1.14 | 1.08 | 0.06 |
| Apr | 2.57 | 2.79 | -0.22 |
| May | 3.68 | 3.92 | -0.24 |
| Jun | 3.88 | 4.01 | -0.13 |
| Jul | 2.67 | 3.36 | -0.69 |
| Aug | 2.30 | 2.24 | 0.06 |
| Sep | 1.99 | 2.00 | -0.01 |
| Oct | 1.53 | 1.58 | -0.05 |
| Nov | 0.62 | 0.62 | 0.00 |
| Dec | 0.55 | 0.55 | 0.00 |
21.95 | 23.09 | -1.14 |