| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.47 | 0.02 |
| Feb | 0.58 | 0.56 | 0.02 |
| Mar | 0.89 | 0.89 | 0.00 |
| Apr | 1.83 | 1.80 | 0.03 |
| May | 3.14 | 3.21 | -0.07 |
| Jun | 3.58 | 3.59 | -0.01 |
| Jul | 3.16 | 3.26 | -0.10 |
| Aug | 2.40 | 2.54 | -0.14 |
| Sep | 2.11 | 2.17 | -0.06 |
| Oct | 1.87 | 1.85 | 0.02 |
| Nov | 0.67 | 0.65 | 0.02 |
| Dec | 0.60 | 0.57 | 0.03 |
21.32 | 21.56 | -0.24 |