| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.70 | -0.01 |
| Feb | 0.85 | 0.85 | 0.00 |
| Mar | 1.60 | 1.58 | 0.02 |
| Apr | 2.65 | 2.74 | -0.09 |
| May | 4.91 | 4.98 | -0.07 |
| Jun | 4.53 | 4.52 | 0.01 |
| Jul | 3.51 | 3.43 | 0.08 |
| Aug | 3.61 | 3.68 | -0.07 |
| Sep | 2.80 | 2.66 | 0.14 |
| Oct | 2.24 | 2.21 | 0.03 |
| Nov | 1.26 | 1.36 | -0.10 |
| Dec | 1.11 | 1.07 | 0.04 |
29.76 | 29.78 | -0.02 |