| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.74 | 2.79 | -0.05 |
| Feb | 2.27 | 2.34 | -0.07 |
| Mar | 3.17 | 3.20 | -0.03 |
| Apr | 4.00 | 3.99 | 0.01 |
| May | 4.37 | 4.31 | 0.06 |
| Jun | 4.70 | 4.64 | 0.06 |
| Jul | 4.14 | 4.18 | -0.04 |
| Aug | 3.79 | 3.60 | 0.19 |
| Sep | 3.05 | 3.21 | -0.16 |
| Oct | 3.05 | 2.97 | 0.08 |
| Nov | 3.21 | 3.27 | -0.06 |
| Dec | 2.62 | 2.71 | -0.09 |
41.11 | 41.21 | -0.10 |