| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.75 | -0.06 |
| Feb | 1.09 | 1.14 | -0.05 |
| Mar | 2.09 | 2.09 | 0.00 |
| Apr | 3.45 | 3.40 | 0.05 |
| May | 4.90 | 5.02 | -0.12 |
| Jun | 4.59 | 4.77 | -0.18 |
| Jul | 4.88 | 4.69 | 0.19 |
| Aug | 3.86 | 3.80 | 0.06 |
| Sep | 3.38 | 3.40 | -0.02 |
| Oct | 2.70 | 2.71 | -0.01 |
| Nov | 1.70 | 1.74 | -0.04 |
| Dec | 1.21 | 1.25 | -0.04 |
34.54 | 34.76 | -0.22 |