| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.40 | 2.58 | -0.18 |
| Feb | 2.45 | 2.50 | -0.05 |
| Mar | 3.80 | 3.98 | -0.18 |
| Apr | 4.62 | 4.78 | -0.16 |
| May | 5.24 | 5.43 | -0.19 |
| Jun | 4.14 | 4.48 | -0.34 |
| Jul | 4.10 | 4.08 | 0.02 |
| Aug | 4.08 | 4.22 | -0.14 |
| Sep | 3.84 | 3.98 | -0.14 |
| Oct | 3.27 | 3.33 | -0.06 |
| Nov | 3.67 | 3.77 | -0.10 |
| Dec | 2.56 | 2.75 | -0.19 |
44.17 | 45.88 | -1.71 |