| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.73 | 1.71 | 0.02 |
| Feb | 1.80 | 1.68 | 0.12 |
| Mar | 2.52 | 2.45 | 0.07 |
| Apr | 2.43 | 2.30 | 0.13 |
| May | 4.22 | 4.30 | -0.08 |
| Jun | 3.28 | 3.21 | 0.07 |
| Jul | 2.00 | 2.20 | -0.20 |
| Aug | 2.39 | 2.16 | 0.23 |
| Sep | 3.44 | 3.51 | -0.07 |
| Oct | 3.11 | 3.07 | 0.04 |
| Nov | 2.13 | 2.19 | -0.06 |
| Dec | 1.74 | 1.87 | -0.13 |
30.79 | 30.65 | 0.14 |