| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.71 | 2.71 | 0.00 |
| Feb | 2.31 | 2.27 | 0.04 |
| Mar | 3.24 | 3.18 | 0.06 |
| Apr | 4.00 | 3.99 | 0.01 |
| May | 4.43 | 4.25 | 0.18 |
| Jun | 4.74 | 4.48 | 0.26 |
| Jul | 4.08 | 4.01 | 0.07 |
| Aug | 3.52 | 3.52 | 0.00 |
| Sep | 3.03 | 3.09 | -0.06 |
| Oct | 3.03 | 2.93 | 0.10 |
| Nov | 3.26 | 3.14 | 0.12 |
| Dec | 2.70 | 2.62 | 0.08 |
41.05 | 40.19 | 0.86 |