| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.88 | -0.10 |
| Feb | 0.91 | 0.90 | 0.01 |
| Mar | 1.59 | 1.70 | -0.11 |
| Apr | 3.08 | 2.90 | 0.18 |
| May | 4.16 | 4.11 | 0.05 |
| Jun | 4.69 | 5.03 | -0.34 |
| Jul | 4.10 | 4.19 | -0.09 |
| Aug | 4.10 | 4.05 | 0.05 |
| Sep | 3.20 | 3.23 | -0.03 |
| Oct | 2.37 | 2.42 | -0.05 |
| Nov | 1.52 | 1.48 | 0.04 |
| Dec | 1.11 | 1.15 | -0.04 |
31.61 | 32.04 | -0.43 |