| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.94 | 1.02 | -0.08 |
| Feb | 1.10 | 1.18 | -0.08 |
| Mar | 1.92 | 1.90 | 0.02 |
| Apr | 3.80 | 3.99 | -0.19 |
| May | 4.95 | 5.04 | -0.09 |
| Jun | 5.65 | 5.72 | -0.07 |
| Jul | 4.89 | 4.58 | 0.31 |
| Aug | 4.22 | 4.01 | 0.21 |
| Sep | 3.48 | 3.57 | -0.09 |
| Oct | 2.63 | 2.66 | -0.03 |
| Nov | 1.74 | 1.81 | -0.07 |
| Dec | 1.30 | 1.45 | -0.15 |
36.62 | 36.93 | -0.31 |