| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.71 | -0.01 |
| Feb | 0.88 | 0.84 | 0.04 |
| Mar | 1.58 | 1.53 | 0.05 |
| Apr | 2.65 | 2.71 | -0.06 |
| May | 4.88 | 5.04 | -0.16 |
| Jun | 4.27 | 4.42 | -0.15 |
| Jul | 3.96 | 3.92 | 0.04 |
| Aug | 3.28 | 3.42 | -0.14 |
| Sep | 2.71 | 2.91 | -0.20 |
| Oct | 2.24 | 2.35 | -0.11 |
| Nov | 1.28 | 1.33 | -0.05 |
| Dec | 1.03 | 1.00 | 0.03 |
29.46 | 30.18 | -0.72 |