| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.61 | 2.52 | 0.09 |
| Feb | 2.05 | 2.10 | -0.05 |
| Mar | 2.70 | 2.74 | -0.04 |
| Apr | 3.87 | 3.91 | -0.04 |
| May | 4.50 | 4.55 | -0.05 |
| Jun | 4.64 | 4.57 | 0.07 |
| Jul | 4.46 | 4.44 | 0.02 |
| Aug | 3.88 | 3.74 | 0.14 |
| Sep | 2.98 | 3.05 | -0.07 |
| Oct | 2.93 | 2.88 | 0.05 |
| Nov | 3.12 | 3.08 | 0.04 |
| Dec | 2.41 | 2.41 | 0.00 |
40.15 | 39.99 | 0.16 |