| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.83 | -0.05 |
| Feb | 0.84 | 0.84 | 0.00 |
| Mar | 1.61 | 1.50 | 0.11 |
| Apr | 2.88 | 2.83 | 0.05 |
| May | 4.15 | 4.16 | -0.01 |
| Jun | 4.49 | 4.53 | -0.04 |
| Jul | 4.37 | 4.42 | -0.05 |
| Aug | 4.18 | 3.98 | 0.20 |
| Sep | 3.30 | 3.12 | 0.18 |
| Oct | 2.86 | 2.85 | 0.01 |
| Nov | 1.73 | 1.64 | 0.09 |
| Dec | 1.16 | 1.19 | -0.03 |
32.35 | 31.89 | 0.46 |