| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.18 | 1.36 | -0.18 |
| Feb | 1.01 | 1.14 | -0.13 |
| Mar | 1.85 | 1.90 | -0.05 |
| Apr | 3.21 | 3.37 | -0.16 |
| May | 3.79 | 3.98 | -0.19 |
| Jun | 4.35 | 4.58 | -0.23 |
| Jul | 3.46 | 3.61 | -0.15 |
| Aug | 3.67 | 3.76 | -0.09 |
| Sep | 3.40 | 3.33 | 0.07 |
| Oct | 2.62 | 2.61 | 0.01 |
| Nov | 1.89 | 1.93 | -0.04 |
| Dec | 1.60 | 1.70 | -0.10 |
32.03 | 33.27 | -1.24 |