| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.86 | 2.91 | -0.05 |
| Feb | 2.45 | 2.57 | -0.12 |
| Mar | 3.41 | 3.47 | -0.06 |
| Apr | 3.78 | 3.69 | 0.09 |
| May | 4.00 | 3.80 | 0.20 |
| Jun | 4.10 | 4.06 | 0.04 |
| Jul | 4.05 | 3.71 | 0.34 |
| Aug | 3.92 | 3.85 | 0.07 |
| Sep | 4.17 | 4.20 | -0.03 |
| Oct | 3.52 | 3.63 | -0.11 |
| Nov | 3.16 | 3.15 | 0.01 |
| Dec | 3.24 | 3.28 | -0.04 |
42.66 | 42.32 | 0.34 |