| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.91 | 0.75 | 0.16 |
| Feb | 0.94 | 0.83 | 0.11 |
| Mar | 1.88 | 1.74 | 0.14 |
| Apr | 3.50 | 3.35 | 0.15 |
| May | 4.56 | 4.59 | -0.03 |
| Jun | 5.28 | 5.34 | -0.06 |
| Jul | 4.63 | 4.62 | 0.01 |
| Aug | 4.17 | 4.19 | -0.02 |
| Sep | 3.58 | 3.65 | -0.07 |
| Oct | 2.56 | 2.54 | 0.02 |
| Nov | 1.62 | 1.42 | 0.20 |
| Dec | 1.20 | 1.11 | 0.09 |
34.83 | 34.13 | 0.70 |