| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.62 | -0.01 |
| Feb | 0.49 | 0.45 | 0.04 |
| Mar | 1.19 | 1.14 | 0.05 |
| Apr | 1.28 | 1.22 | 0.06 |
| May | 2.32 | 2.32 | 0.00 |
| Jun | 2.88 | 2.92 | -0.04 |
| Jul | 2.52 | 2.46 | 0.06 |
| Aug | 2.80 | 2.86 | -0.06 |
| Sep | 1.76 | 1.77 | -0.01 |
| Oct | 1.88 | 1.97 | -0.09 |
| Nov | 0.70 | 0.72 | -0.02 |
| Dec | 0.71 | 0.68 | 0.03 |
19.14 | 19.13 | 0.01 |