| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.65 | 0.00 |
| Feb | 0.83 | 0.85 | -0.02 |
| Mar | 1.47 | 1.46 | 0.01 |
| Apr | 2.58 | 2.49 | 0.09 |
| May | 4.25 | 4.27 | -0.02 |
| Jun | 3.73 | 3.92 | -0.19 |
| Jul | 4.45 | 4.37 | 0.08 |
| Aug | 3.58 | 3.44 | 0.14 |
| Sep | 2.56 | 2.56 | 0.00 |
| Oct | 1.94 | 1.94 | 0.00 |
| Nov | 1.20 | 1.21 | -0.01 |
| Dec | 0.99 | 0.99 | 0.00 |
28.23 | 28.15 | 0.08 |