| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.05 | 1.00 | 0.05 |
| Feb | 1.13 | 1.07 | 0.06 |
| Mar | 1.91 | 1.89 | 0.02 |
| Apr | 3.18 | 3.11 | 0.07 |
| May | 4.16 | 4.21 | -0.05 |
| Jun | 4.92 | 4.98 | -0.06 |
| Jul | 3.80 | 3.87 | -0.07 |
| Aug | 4.30 | 4.31 | -0.01 |
| Sep | 3.62 | 3.64 | -0.02 |
| Oct | 2.74 | 2.62 | 0.12 |
| Nov | 1.86 | 1.78 | 0.08 |
| Dec | 1.33 | 1.35 | -0.02 |
34.00 | 33.83 | 0.17 |