| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.40 | 2.12 | 0.28 |
| Feb | 1.58 | 1.38 | 0.20 |
| Mar | 1.83 | 1.61 | 0.22 |
| Apr | 2.92 | 2.63 | 0.29 |
| May | 3.08 | 2.93 | 0.15 |
| Jun | 3.22 | 3.06 | 0.16 |
| Jul | 2.94 | 2.84 | 0.10 |
| Aug | 3.20 | 3.23 | -0.03 |
| Sep | 3.83 | 3.64 | 0.19 |
| Oct | 4.32 | 4.20 | 0.12 |
| Nov | 3.07 | 2.84 | 0.23 |
| Dec | 2.63 | 2.32 | 0.31 |
35.02 | 32.80 | 2.22 |