| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.79 | 1.74 | 0.05 |
| Feb | 1.86 | 1.99 | -0.13 |
| Mar | 3.31 | 3.28 | 0.03 |
| Apr | 4.46 | 4.16 | 0.30 |
| May | 5.63 | 5.90 | -0.27 |
| Jun | 4.63 | 4.51 | 0.12 |
| Jul | 3.72 | 3.65 | 0.07 |
| Aug | 3.42 | 3.61 | -0.19 |
| Sep | 4.01 | 3.78 | 0.23 |
| Oct | 3.69 | 3.71 | -0.02 |
| Nov | 2.98 | 2.73 | 0.25 |
| Dec | 2.50 | 2.32 | 0.18 |
42.00 | 41.38 | 0.62 |