| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.41 | 0.01 |
| Feb | 2.95 | 2.92 | 0.03 |
| Mar | 3.68 | 3.79 | -0.11 |
| Apr | 3.86 | 3.81 | 0.05 |
| May | 4.47 | 4.42 | 0.05 |
| Jun | 4.60 | 4.82 | -0.22 |
| Jul | 4.42 | 4.69 | -0.27 |
| Aug | 3.95 | 3.81 | 0.14 |
| Sep | 3.74 | 3.56 | 0.18 |
| Oct | 3.29 | 3.18 | 0.11 |
| Nov | 3.17 | 3.26 | -0.09 |
| Dec | 3.56 | 3.47 | 0.09 |
45.11 | 45.14 | -0.03 |