| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.75 | -0.08 |
| Feb | 0.74 | 0.84 | -0.10 |
| Mar | 1.46 | 1.52 | -0.06 |
| Apr | 2.53 | 2.75 | -0.22 |
| May | 3.80 | 4.05 | -0.25 |
| Jun | 4.58 | 4.67 | -0.09 |
| Jul | 3.73 | 3.70 | 0.03 |
| Aug | 3.94 | 4.24 | -0.30 |
| Sep | 3.06 | 3.16 | -0.10 |
| Oct | 2.28 | 2.37 | -0.09 |
| Nov | 1.41 | 1.43 | -0.02 |
| Dec | 0.93 | 1.08 | -0.15 |
29.13 | 30.56 | -1.43 |