| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.88 | 0.83 | 0.05 |
| Feb | 0.94 | 0.87 | 0.07 |
| Mar | 1.81 | 1.69 | 0.12 |
| Apr | 3.15 | 2.93 | 0.22 |
| May | 4.38 | 4.30 | 0.08 |
| Jun | 5.13 | 4.97 | 0.16 |
| Jul | 4.40 | 4.15 | 0.25 |
| Aug | 4.50 | 4.54 | -0.04 |
| Sep | 3.46 | 3.46 | 0.00 |
| Oct | 2.59 | 2.52 | 0.07 |
| Nov | 1.63 | 1.58 | 0.05 |
| Dec | 1.23 | 1.21 | 0.02 |
34.10 | 33.05 | 1.05 |