| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.01 | 0.94 | 0.07 |
| Feb | 1.03 | 0.96 | 0.07 |
| Mar | 1.97 | 1.91 | 0.06 |
| Apr | 3.50 | 3.47 | 0.03 |
| May | 4.51 | 4.38 | 0.13 |
| Jun | 5.49 | 5.26 | 0.23 |
| Jul | 4.42 | 4.23 | 0.19 |
| Aug | 4.42 | 4.40 | 0.02 |
| Sep | 3.71 | 3.58 | 0.13 |
| Oct | 2.51 | 2.37 | 0.14 |
| Nov | 1.81 | 1.63 | 0.18 |
| Dec | 1.26 | 1.15 | 0.11 |
35.64 | 34.28 | 1.36 |