| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.84 | -0.06 |
| Feb | 0.82 | 0.85 | -0.03 |
| Mar | 1.62 | 1.59 | 0.03 |
| Apr | 3.01 | 2.98 | 0.03 |
| May | 4.26 | 4.26 | 0.00 |
| Jun | 4.93 | 4.65 | 0.28 |
| Jul | 4.12 | 4.00 | 0.12 |
| Aug | 4.30 | 4.48 | -0.18 |
| Sep | 3.27 | 3.22 | 0.05 |
| Oct | 2.53 | 2.57 | -0.04 |
| Nov | 1.54 | 1.58 | -0.04 |
| Dec | 1.10 | 1.20 | -0.10 |
32.28 | 32.22 | 0.06 |