| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.71 | -0.04 |
| Feb | 0.68 | 0.64 | 0.04 |
| Mar | 1.08 | 1.14 | -0.06 |
| Apr | 1.34 | 1.33 | 0.01 |
| May | 2.75 | 2.60 | 0.15 |
| Jun | 2.63 | 2.58 | 0.05 |
| Jul | 2.08 | 2.06 | 0.02 |
| Aug | 1.92 | 1.84 | 0.08 |
| Sep | 2.57 | 2.50 | 0.07 |
| Oct | 1.51 | 1.55 | -0.04 |
| Nov | 0.79 | 0.82 | -0.03 |
| Dec | 0.76 | 0.82 | -0.06 |
18.78 | 18.59 | 0.19 |