| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.45 | 1.43 | 0.02 |
| Feb | 1.24 | 1.19 | 0.05 |
| Mar | 1.59 | 1.70 | -0.11 |
| Apr | 2.62 | 2.59 | 0.03 |
| May | 3.20 | 3.09 | 0.11 |
| Jun | 3.63 | 3.59 | 0.04 |
| Jul | 3.88 | 3.78 | 0.10 |
| Aug | 3.00 | 2.99 | 0.01 |
| Sep | 3.64 | 3.47 | 0.17 |
| Oct | 3.50 | 3.41 | 0.09 |
| Nov | 2.15 | 2.04 | 0.11 |
| Dec | 1.72 | 1.74 | -0.02 |
31.62 | 31.02 | 0.60 |