| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.10 | 3.15 | -0.05 |
| Feb | 2.53 | 2.47 | 0.06 |
| Mar | 3.55 | 3.60 | -0.05 |
| Apr | 4.42 | 4.36 | 0.06 |
| May | 4.54 | 4.52 | 0.02 |
| Jun | 4.70 | 4.69 | 0.01 |
| Jul | 3.89 | 3.86 | 0.03 |
| Aug | 3.23 | 2.95 | 0.28 |
| Sep | 3.03 | 2.86 | 0.17 |
| Oct | 3.10 | 3.01 | 0.09 |
| Nov | 2.98 | 2.97 | 0.01 |
| Dec | 3.24 | 3.30 | -0.06 |
42.31 | 41.74 | 0.57 |