| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.56 | 1.68 | -0.12 |
| Feb | 1.48 | 1.62 | -0.14 |
| Mar | 1.93 | 2.01 | -0.08 |
| Apr | 3.63 | 3.72 | -0.09 |
| May | 3.88 | 3.93 | -0.05 |
| Jun | 4.67 | 4.55 | 0.12 |
| Jul | 3.80 | 3.88 | -0.08 |
| Aug | 3.82 | 3.76 | 0.06 |
| Sep | 3.22 | 3.14 | 0.08 |
| Oct | 2.80 | 2.83 | -0.03 |
| Nov | 2.11 | 2.14 | -0.03 |
| Dec | 1.79 | 1.98 | -0.19 |
34.69 | 35.24 | -0.55 |