| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.63 | -0.01 |
| Feb | 0.69 | 0.73 | -0.04 |
| Mar | 1.52 | 1.51 | 0.01 |
| Apr | 2.84 | 2.81 | 0.03 |
| May | 4.67 | 4.67 | 0.00 |
| Jun | 4.31 | 4.50 | -0.19 |
| Jul | 3.25 | 3.18 | 0.07 |
| Aug | 3.50 | 3.48 | 0.02 |
| Sep | 2.47 | 2.50 | -0.03 |
| Oct | 2.20 | 2.20 | 0.00 |
| Nov | 1.20 | 1.27 | -0.07 |
| Dec | 0.91 | 0.95 | -0.04 |
28.18 | 28.43 | -0.25 |