| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.71 | -0.04 |
| Feb | 0.69 | 0.70 | -0.01 |
| Mar | 1.26 | 1.34 | -0.08 |
| Apr | 2.16 | 2.32 | -0.16 |
| May | 3.50 | 3.52 | -0.02 |
| Jun | 4.35 | 4.41 | -0.06 |
| Jul | 4.48 | 4.58 | -0.10 |
| Aug | 3.45 | 3.32 | 0.13 |
| Sep | 2.95 | 2.93 | 0.02 |
| Oct | 2.78 | 2.75 | 0.03 |
| Nov | 1.34 | 1.34 | 0.00 |
| Dec | 0.94 | 0.97 | -0.03 |
28.57 | 28.89 | -0.32 |