| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 3.71 | -0.01 |
| Feb | 2.88 | 2.99 | -0.11 |
| Mar | 4.03 | 4.23 | -0.20 |
| Apr | 3.99 | 4.04 | -0.05 |
| May | 4.15 | 4.29 | -0.14 |
| Jun | 4.70 | 4.86 | -0.16 |
| Jul | 4.92 | 4.88 | 0.04 |
| Aug | 4.71 | 4.74 | -0.03 |
| Sep | 4.64 | 4.75 | -0.11 |
| Oct | 4.53 | 4.69 | -0.16 |
| Nov | 3.52 | 3.71 | -0.19 |
| Dec | 4.39 | 4.67 | -0.28 |
50.16 | 51.56 | -1.40 |