| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.67 | -0.10 |
| Feb | 3.62 | 3.78 | -0.16 |
| Mar | 4.65 | 4.71 | -0.06 |
| Apr | 5.35 | 5.30 | 0.05 |
| May | 5.14 | 5.19 | -0.05 |
| Jun | 3.50 | 3.46 | 0.04 |
| Jul | 3.83 | 3.79 | 0.04 |
| Aug | 3.86 | 3.70 | 0.16 |
| Sep | 3.58 | 3.53 | 0.05 |
| Oct | 3.72 | 3.90 | -0.18 |
| Nov | 4.70 | 4.69 | 0.01 |
| Dec | 4.40 | 4.35 | 0.05 |
49.92 | 50.07 | -0.15 |