| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.69 | -0.12 |
| Feb | 0.63 | 0.61 | 0.02 |
| Mar | 1.13 | 1.05 | 0.08 |
| Apr | 2.23 | 2.20 | 0.03 |
| May | 3.11 | 2.90 | 0.21 |
| Jun | 4.04 | 3.85 | 0.19 |
| Jul | 3.50 | 3.19 | 0.31 |
| Aug | 3.05 | 2.89 | 0.16 |
| Sep | 2.62 | 2.46 | 0.16 |
| Oct | 2.11 | 2.13 | -0.02 |
| Nov | 0.85 | 0.85 | 0.00 |
| Dec | 0.67 | 0.65 | 0.02 |
24.51 | 23.47 | 1.04 |