| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.84 | 1.03 | -0.19 |
| Feb | 1.13 | 1.24 | -0.11 |
| Mar | 2.12 | 2.02 | 0.10 |
| Apr | 3.21 | 3.18 | 0.03 |
| May | 2.83 | 2.75 | 0.08 |
| Jun | 1.98 | 2.02 | -0.04 |
| Jul | 2.59 | 2.63 | -0.04 |
| Aug | 2.44 | 2.38 | 0.06 |
| Sep | 1.78 | 1.80 | -0.02 |
| Oct | 1.45 | 1.48 | -0.03 |
| Nov | 1.08 | 1.19 | -0.11 |
| Dec | 0.85 | 1.08 | -0.23 |
22.30 | 22.80 | -0.50 |