| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.56 | 0.07 |
| Feb | 0.77 | 0.70 | 0.07 |
| Mar | 1.50 | 1.36 | 0.14 |
| Apr | 2.33 | 2.28 | 0.05 |
| May | 2.61 | 2.46 | 0.15 |
| Jun | 1.80 | 1.68 | 0.12 |
| Jul | 1.85 | 1.68 | 0.17 |
| Aug | 1.67 | 1.64 | 0.03 |
| Sep | 1.40 | 1.39 | 0.01 |
| Oct | 1.20 | 1.18 | 0.02 |
| Nov | 0.93 | 0.92 | 0.01 |
| Dec | 0.57 | 0.62 | -0.05 |
17.26 | 16.47 | 0.79 |