| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.84 | -0.09 |
| Feb | 0.78 | 0.86 | -0.08 |
| Mar | 1.55 | 1.55 | 0.00 |
| Apr | 2.95 | 2.89 | 0.06 |
| May | 4.15 | 4.25 | -0.10 |
| Jun | 4.98 | 4.60 | 0.38 |
| Jul | 3.99 | 3.94 | 0.05 |
| Aug | 4.16 | 4.40 | -0.24 |
| Sep | 3.27 | 3.18 | 0.09 |
| Oct | 2.46 | 2.46 | 0.00 |
| Nov | 1.50 | 1.51 | -0.01 |
| Dec | 1.09 | 1.19 | -0.10 |
31.63 | 31.67 | -0.04 |