| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.84 | -0.06 |
| Feb | 0.83 | 0.84 | -0.01 |
| Mar | 1.62 | 1.50 | 0.12 |
| Apr | 2.87 | 2.84 | 0.03 |
| May | 4.18 | 4.16 | 0.02 |
| Jun | 4.58 | 4.57 | 0.01 |
| Jul | 4.28 | 4.39 | -0.11 |
| Aug | 4.26 | 4.00 | 0.26 |
| Sep | 3.31 | 3.13 | 0.18 |
| Oct | 2.87 | 2.86 | 0.01 |
| Nov | 1.72 | 1.63 | 0.09 |
| Dec | 1.15 | 1.19 | -0.04 |
32.45 | 31.95 | 0.50 |