| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.23 | 0.26 | -0.03 |
| Feb | 0.34 | 0.46 | -0.12 |
| Mar | 0.69 | 0.85 | -0.16 |
| Apr | 1.51 | 1.67 | -0.16 |
| May | 2.56 | 2.88 | -0.32 |
| Jun | 2.12 | 2.18 | -0.06 |
| Jul | 1.72 | 1.73 | -0.01 |
| Aug | 1.16 | 1.07 | 0.09 |
| Sep | 1.18 | 1.18 | 0.00 |
| Oct | 1.09 | 1.15 | -0.06 |
| Nov | 0.36 | 0.48 | -0.12 |
| Dec | 0.30 | 0.41 | -0.11 |
13.26 | 14.32 | -1.06 |