| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.75 | -0.01 |
| Feb | 0.88 | 0.93 | -0.05 |
| Mar | 1.76 | 1.84 | -0.08 |
| Apr | 3.14 | 3.19 | -0.05 |
| May | 4.65 | 4.70 | -0.05 |
| Jun | 4.81 | 4.87 | -0.06 |
| Jul | 3.32 | 3.29 | 0.03 |
| Aug | 3.79 | 3.86 | -0.07 |
| Sep | 3.20 | 3.28 | -0.08 |
| Oct | 2.29 | 2.41 | -0.12 |
| Nov | 1.32 | 1.35 | -0.03 |
| Dec | 1.19 | 1.24 | -0.05 |
31.09 | 31.71 | -0.62 |