| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.45 | 1.18 | 0.27 |
| Feb | 1.18 | 1.07 | 0.11 |
| Mar | 1.76 | 1.63 | 0.13 |
| Apr | 2.84 | 2.69 | 0.15 |
| May | 3.68 | 3.59 | 0.09 |
| Jun | 4.25 | 4.48 | -0.23 |
| Jul | 4.11 | 4.07 | 0.04 |
| Aug | 3.59 | 3.59 | 0.00 |
| Sep | 3.73 | 3.53 | 0.20 |
| Oct | 3.55 | 3.49 | 0.06 |
| Nov | 2.19 | 1.93 | 0.26 |
| Dec | 1.67 | 1.53 | 0.14 |
34.00 | 32.78 | 1.22 |