| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.70 | 0.03 |
| Feb | 0.98 | 0.91 | 0.07 |
| Mar | 1.69 | 1.81 | -0.12 |
| Apr | 2.85 | 3.00 | -0.15 |
| May | 4.80 | 4.87 | -0.07 |
| Jun | 4.57 | 4.74 | -0.17 |
| Jul | 4.08 | 4.10 | -0.02 |
| Aug | 3.45 | 3.58 | -0.13 |
| Sep | 2.99 | 3.11 | -0.12 |
| Oct | 2.32 | 2.28 | 0.04 |
| Nov | 1.38 | 1.35 | 0.03 |
| Dec | 1.06 | 1.08 | -0.02 |
30.90 | 31.53 | -0.63 |