| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.80 | -0.06 |
| Feb | 1.06 | 1.08 | -0.02 |
| Mar | 2.02 | 2.02 | 0.00 |
| Apr | 3.12 | 3.16 | -0.04 |
| May | 5.06 | 4.92 | 0.14 |
| Jun | 4.48 | 4.74 | -0.26 |
| Jul | 4.31 | 4.61 | -0.30 |
| Aug | 3.41 | 3.40 | 0.01 |
| Sep | 2.95 | 3.16 | -0.21 |
| Oct | 2.58 | 2.57 | 0.01 |
| Nov | 1.63 | 1.72 | -0.09 |
| Dec | 1.19 | 1.23 | -0.04 |
32.55 | 33.41 | -0.86 |