| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.78 | 2.76 | 0.02 |
| Feb | 2.28 | 2.35 | -0.07 |
| Mar | 3.24 | 3.26 | -0.02 |
| Apr | 4.04 | 4.01 | 0.03 |
| May | 4.44 | 4.36 | 0.08 |
| Jun | 4.79 | 4.74 | 0.05 |
| Jul | 4.23 | 4.18 | 0.05 |
| Aug | 3.69 | 3.49 | 0.20 |
| Sep | 3.06 | 3.17 | -0.11 |
| Oct | 3.10 | 3.02 | 0.08 |
| Nov | 3.26 | 3.32 | -0.06 |
| Dec | 2.66 | 2.80 | -0.14 |
41.57 | 41.46 | 0.11 |